diff --git a/include/psa/crypto.h b/include/psa/crypto.h
index 6a9fb1a..98860eb 100644
--- a/include/psa/crypto.h
+++ b/include/psa/crypto.h
@@ -2524,12 +2524,24 @@
  *          - In particular, do not copy the output anywhere but to a
  *            memory or storage space that you have exclusive access to.
  *
+ * This function does not require the input to be aligned to any
+ * particular block boundary. If the implementation can only process
+ * a whole block at a time, it must consume all the input provided, but
+ * it may delay the end of the corresponding output until a subsequent
+ * call to psa_aead_update(), psa_aead_finish() or psa_aead_verify()
+ * provides sufficient input. The amount of data that can be delayed
+ * in this way is bounded by #PSA_AEAD_UPDATE_OUTPUT_SIZE.
+ *
  * \param[in,out] operation     Active AEAD operation.
  * \param[in] input             Buffer containing the message fragment to
  *                              encrypt or decrypt.
  * \param input_length          Size of the \p input buffer in bytes.
  * \param[out] output           Buffer where the output is to be written.
  * \param output_size           Size of the \p output buffer in bytes.
+ *                              This must be at least
+ *                              #PSA_AEAD_UPDATE_OUTPUT_SIZE(\c alg,
+ *                              \p input_length) where \c alg is the
+ *                              algorithm that is being calculated.
  * \param[out] output_length    On success, the number of bytes
  *                              that make up the returned output.
  *
@@ -2540,6 +2552,9 @@
  *         or already completed).
  * \retval #PSA_ERROR_BUFFER_TOO_SMALL
  *         The size of the \p output buffer is too small.
+ *         You can determine a sufficient buffer size by calling
+ *         #PSA_AEAD_UPDATE_OUTPUT_SIZE(\c alg, \p input_length)
+ *         where \c alg is the algorithm that is being calculated.
  * \retval #PSA_ERROR_INVALID_ARGUMENT
  *         The total length of input to psa_aead_update_ad() so far is
  *         less than the additional data length that was previously
@@ -2570,9 +2585,7 @@
  *
  * This function has two output buffers:
  * - \p ciphertext contains trailing ciphertext that was buffered from
- *   preceding calls to psa_aead_update(). For all standard AEAD algorithms,
- *   psa_aead_update() does not buffer any output and therefore \p ciphertext
- *   will not contain any output and can be a 0-sized buffer.
+ *   preceding calls to psa_aead_update().
  * - \p tag contains the authentication tag. Its length is always
  *   #PSA_AEAD_TAG_LENGTH(\c alg) where \c alg is the AEAD algorithm
  *   that the operation performs.
@@ -2583,11 +2596,18 @@
  * \param[out] ciphertext       Buffer where the last part of the ciphertext
  *                              is to be written.
  * \param ciphertext_size       Size of the \p ciphertext buffer in bytes.
+ *                              This must be at least
+ *                              #PSA_AEAD_FINISH_OUTPUT_SIZE(\c alg) where
+ *                              \c alg is the algorithm that is being
+ *                              calculated.
  * \param[out] ciphertext_length On success, the number of bytes of
  *                              returned ciphertext.
  * \param[out] tag              Buffer where the authentication tag is
  *                              to be written.
  * \param tag_size              Size of the \p tag buffer in bytes.
+ *                              This must be at least
+ *                              #PSA_AEAD_TAG_LENGTH(\c alg) where \c alg is
+ *                              the algorithm that is being calculated.
  * \param[out] tag_length       On success, the number of bytes
  *                              that make up the returned tag.
  *
@@ -2598,6 +2618,11 @@
  *         decryption, or already completed).
  * \retval #PSA_ERROR_BUFFER_TOO_SMALL
  *         The size of the \p ciphertext or \p tag buffer is too small.
+ *         You can determine a sufficient buffer size for \p ciphertext by
+ *         calling #PSA_AEAD_FINISH_OUTPUT_SIZE(\c alg)
+ *         where \c alg is the algorithm that is being calculated.
+ *         You can determine a sufficient buffer size for \p tag by
+ *         calling #PSA_AEAD_TAG_LENGTH(\c alg).
  * \retval #PSA_ERROR_INVALID_ARGUMENT
  *         The total length of input to psa_aead_update_ad() so far is
  *         less than the additional data length that was previously
@@ -2631,6 +2656,18 @@
  * When this function returns, the operation becomes inactive.
  *
  * \param[in,out] operation     Active AEAD operation.
+ * \param[out] plaintext        Buffer where the last part of the plaintext
+ *                              is to be written. This is the remaining data
+ *                              from previous calls to psa_aead_update()
+ *                              that could not be processed until the end
+ *                              of the input.
+ * \param plaintext_size        Size of the \p plaintext buffer in bytes.
+ *                              This must be at least
+ *                              #PSA_AEAD_VERIFY_OUTPUT_SIZE(\c alg) where
+ *                              \c alg is the algorithm that is being
+ *                              calculated.
+ * \param[out] plaintext_length On success, the number of bytes of
+ *                              returned plaintext.
  * \param[in] tag               Buffer containing the authentication tag.
  * \param tag_length            Size of the \p tag buffer in bytes.
  *
@@ -2639,6 +2676,11 @@
  * \retval #PSA_ERROR_BAD_STATE
  *         The operation state is not valid (not set up, nonce not set,
  *         encryption, or already completed).
+ * \retval #PSA_ERROR_BUFFER_TOO_SMALL
+ *         The size of the \p plaintext buffer is too small.
+ *         You can determine a sufficient buffer size for \p plaintext by
+ *         calling #PSA_AEAD_VERIFY_OUTPUT_SIZE(\c alg)
+ *         where \c alg is the algorithm that is being calculated.
  * \retval #PSA_ERROR_INVALID_ARGUMENT
  *         The total length of input to psa_aead_update_ad() so far is
  *         less than the additional data length that was previously
@@ -2653,6 +2695,9 @@
  * \retval #PSA_ERROR_TAMPERING_DETECTED
  */
 psa_status_t psa_aead_verify(psa_aead_operation_t *operation,
+                             uint8_t *plaintext,
+                             size_t plaintext_size,
+                             size_t *plaintext_length,
                              const uint8_t *tag,
                              size_t tag_length);
 
diff --git a/include/psa/crypto_sizes.h b/include/psa/crypto_sizes.h
index 39dbccb..cab896e 100644
--- a/include/psa/crypto_sizes.h
+++ b/include/psa/crypto_sizes.h
@@ -53,6 +53,9 @@
 #define PSA_BITS_TO_BYTES(bits) (((bits) + 7) / 8)
 #define PSA_BYTES_TO_BITS(bytes) ((bytes) * 8)
 
+#define PSA_ROUND_UP_TO_MULTIPLE(block_size, length) \
+    (((length) + (block_size) - 1) / (block_size) * (block_size))
+
 /** The size of the output of psa_hash_finish(), in bytes.
  *
  * This is also the hash size that psa_hash_verify() expects.
@@ -309,27 +312,6 @@
      (plaintext_length) + PSA_AEAD_TAG_LENGTH(alg) :              \
      0)
 
-/** The maximum size of the output of psa_aead_finish(), in bytes.
- *
- * If the size of the ciphertext buffer is at least this large, it is
- * guaranteed that psa_aead_finish() will not fail due to an
- * insufficient buffer size. Depending on the algorithm, the actual size of
- * the ciphertext may be smaller.
- *
- * \param alg                 An AEAD algorithm
- *                            (\c PSA_ALG_XXX value such that
- *                            #PSA_ALG_IS_AEAD(\p alg) is true).
- *
- * \return                    The maximum trailing ciphertext size for the
- *                            specified algorithm.
- *                            If the AEAD algorithm is not recognized, return 0.
- *                            An implementation may return either 0 or a
- *                            correct size for an AEAD algorithm that it
- *                            recognizes, but does not support.
- */
-#define PSA_AEAD_FINISH_OUTPUT_SIZE(alg)      \
-    ((size_t)0)
-
 /** The maximum size of the output of psa_aead_decrypt(), in bytes.
  *
  * If the size of the plaintext buffer is at least this large, it is
@@ -351,7 +333,81 @@
  */
 #define PSA_AEAD_DECRYPT_OUTPUT_SIZE(alg, ciphertext_length)      \
     (PSA_AEAD_TAG_LENGTH(alg) != 0 ?                              \
-     (plaintext_length) - PSA_AEAD_TAG_LENGTH(alg) :              \
+     (ciphertext_length) - PSA_AEAD_TAG_LENGTH(alg) :             \
+     0)
+
+/** A sufficient output buffer size for psa_aead_update().
+ *
+ * If the size of the output buffer is at least this large, it is
+ * guaranteed that psa_aead_update() will not fail due to an
+ * insufficient buffer size. The actual size of the output may be smaller
+ * in any given call.
+ *
+ * \param alg                 An AEAD algorithm
+ *                            (\c PSA_ALG_XXX value such that
+ *                            #PSA_ALG_IS_AEAD(\p alg) is true).
+ * \param input_length        Size of the input in bytes.
+ *
+ * \return                    A sufficient output buffer size for the specified
+ *                            algorithm.
+ *                            If the AEAD algorithm is not recognized, return 0.
+ *                            An implementation may return either 0 or a
+ *                            correct size for an AEAD algorithm that it
+ *                            recognizes, but does not support.
+ */
+/* For all the AEAD modes defined in this specification, it is possible
+ * to emit output without delay. However, hardware may not always be
+ * capable of this. So for modes based on a block cipher, allow the
+ * implementation to delay the output until it has a full block. */
+#define PSA_AEAD_UPDATE_OUTPUT_SIZE(alg, input_length)                  \
+    (PSA_ALG_IS_AEAD_ON_BLOCK_CIPHER(alg) ?                             \
+     PSA_ROUND_UP_TO_MULTIPLE(PSA_MAX_BLOCK_CIPHER_BLOCK_SIZE, (input_length)) : \
+     (input_length))
+
+/** A sufficient ciphertext buffer size for psa_aead_finish().
+ *
+ * If the size of the ciphertext buffer is at least this large, it is
+ * guaranteed that psa_aead_finish() will not fail due to an
+ * insufficient ciphertext buffer size. The actual size of the output may
+ * be smaller in any given call.
+ *
+ * \param alg                 An AEAD algorithm
+ *                            (\c PSA_ALG_XXX value such that
+ *                            #PSA_ALG_IS_AEAD(\p alg) is true).
+ *
+ * \return                    A sufficient ciphertext buffer size for the
+ *                            specified algorithm.
+ *                            If the AEAD algorithm is not recognized, return 0.
+ *                            An implementation may return either 0 or a
+ *                            correct size for an AEAD algorithm that it
+ *                            recognizes, but does not support.
+ */
+#define PSA_AEAD_FINISH_OUTPUT_SIZE(alg)                                \
+    (PSA_ALG_IS_AEAD_ON_BLOCK_CIPHER(alg) ?                             \
+     PSA_MAX_BLOCK_CIPHER_BLOCK_SIZE :                                  \
+     0)
+
+/** A sufficient plaintext buffer size for psa_aead_verify().
+ *
+ * If the size of the plaintext buffer is at least this large, it is
+ * guaranteed that psa_aead_verify() will not fail due to an
+ * insufficient plaintext buffer size. The actual size of the output may
+ * be smaller in any given call.
+ *
+ * \param alg                 An AEAD algorithm
+ *                            (\c PSA_ALG_XXX value such that
+ *                            #PSA_ALG_IS_AEAD(\p alg) is true).
+ *
+ * \return                    A sufficient plaintext buffer size for the
+ *                            specified algorithm.
+ *                            If the AEAD algorithm is not recognized, return 0.
+ *                            An implementation may return either 0 or a
+ *                            correct size for an AEAD algorithm that it
+ *                            recognizes, but does not support.
+ */
+#define PSA_AEAD_VERIFY_OUTPUT_SIZE(alg)                                \
+    (PSA_ALG_IS_AEAD_ON_BLOCK_CIPHER(alg) ?                             \
+     PSA_MAX_BLOCK_CIPHER_BLOCK_SIZE :                                  \
      0)
 
 #define PSA_RSA_MINIMUM_PADDING_SIZE(alg)                         \
diff --git a/include/psa/crypto_values.h b/include/psa/crypto_values.h
index fa0d14d..0b08b69 100644
--- a/include/psa/crypto_values.h
+++ b/include/psa/crypto_values.h
@@ -402,6 +402,15 @@
  * legacy protocols. */
 #define PSA_KEY_TYPE_ARC4                       ((psa_key_type_t)0x40000004)
 
+/** Key for the ChaCha20 stream cipher or the Chacha20-Poly1305 AEAD algorithm.
+ *
+ * ChaCha20 and the ChaCha20_Poly1305 construction are defined in RFC 7539.
+ *
+ * Implementations must support 12-byte nonces, may support 8-byte nonces,
+ * and should reject other sizes.
+ */
+#define PSA_KEY_TYPE_CHACHA20                   ((psa_key_type_t)0x40000005)
+
 /** RSA public key. */
 #define PSA_KEY_TYPE_RSA_PUBLIC_KEY             ((psa_key_type_t)0x60010000)
 /** RSA key pair (private and public key). */
@@ -836,6 +845,18 @@
  */
 #define PSA_ALG_ARC4                            ((psa_algorithm_t)0x04800001)
 
+/** The ChaCha20 stream cipher.
+ *
+ * ChaCha20 is defined in RFC 7539.
+ *
+ * The nonce size for psa_cipher_set_iv() or psa_cipher_generate_iv()
+ * must be 12.
+ *
+ * The initial block counter is always 0.
+ *
+ */
+#define PSA_ALG_CHACHA20                        ((psa_algorithm_t)0x04800005)
+
 /** The CTR stream cipher mode.
  *
  * CTR is a stream cipher which is built from a block cipher.
@@ -874,13 +895,39 @@
  */
 #define PSA_ALG_CBC_PKCS7                       ((psa_algorithm_t)0x04600101)
 
+#define PSA_ALG_AEAD_FROM_BLOCK_FLAG            ((psa_algorithm_t)0x00400000)
+
+/** Whether the specified algorithm is an AEAD mode on a block cipher.
+ *
+ * \param alg An algorithm identifier (value of type #psa_algorithm_t).
+ *
+ * \return 1 if \p alg is an AEAD algorithm which is an AEAD mode based on
+ *         a block cipher, 0 otherwise.
+ *         This macro may return either 0 or 1 if \p alg is not a supported
+ *         algorithm identifier.
+ */
+#define PSA_ALG_IS_AEAD_ON_BLOCK_CIPHER(alg)    \
+    (((alg) & (PSA_ALG_CATEGORY_MASK | PSA_ALG_AEAD_FROM_BLOCK_FLAG)) == \
+     (PSA_ALG_CATEGORY_AEAD | PSA_ALG_AEAD_FROM_BLOCK_FLAG))
+
 /** The CCM authenticated encryption algorithm.
  */
-#define PSA_ALG_CCM                             ((psa_algorithm_t)0x06001001)
+#define PSA_ALG_CCM                             ((psa_algorithm_t)0x06401001)
 
 /** The GCM authenticated encryption algorithm.
  */
-#define PSA_ALG_GCM                             ((psa_algorithm_t)0x06001002)
+#define PSA_ALG_GCM                             ((psa_algorithm_t)0x06401002)
+
+/** The Chacha20-Poly1305 AEAD algorithm.
+ *
+ * The ChaCha20_Poly1305 construction is defined in RFC 7539.
+ *
+ * Implementations must support 12-byte nonces, may support 8-byte nonces,
+ * and should reject other sizes.
+ *
+ * Implementations must support 16-byte tags and should reject other sizes.
+ */
+#define PSA_ALG_CHACHA20_POLY1305               ((psa_algorithm_t)0x06001005)
 
 /* In the encoding of a AEAD algorithm, the bits corresponding to
  * PSA_ALG_AEAD_TAG_LENGTH_MASK encode the length of the AEAD tag.
@@ -924,6 +971,7 @@
     (                                                                   \
         PSA__ALG_AEAD_WITH_DEFAULT_TAG_LENGTH__CASE(aead_alg, PSA_ALG_CCM) \
         PSA__ALG_AEAD_WITH_DEFAULT_TAG_LENGTH__CASE(aead_alg, PSA_ALG_GCM) \
+        PSA__ALG_AEAD_WITH_DEFAULT_TAG_LENGTH__CASE(aead_alg, PSA_ALG_CHACHA20_POLY1305) \
         0)
 #define PSA__ALG_AEAD_WITH_DEFAULT_TAG_LENGTH__CASE(aead_alg, ref)      \
     PSA_ALG_AEAD_WITH_TAG_LENGTH(aead_alg, 0) ==                        \
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 54c1731..621790b 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -39,9 +39,8 @@
 
 #include <stdlib.h>
 #include <string.h>
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
+#if !defined(MBEDTLS_PLATFORM_C)
 #define mbedtls_calloc calloc
 #define mbedtls_free   free
 #endif
@@ -52,6 +51,8 @@
 #include "mbedtls/bignum.h"
 #include "mbedtls/blowfish.h"
 #include "mbedtls/camellia.h"
+#include "mbedtls/chacha20.h"
+#include "mbedtls/chachapoly.h"
 #include "mbedtls/cipher.h"
 #include "mbedtls/ccm.h"
 #include "mbedtls/cmac.h"
@@ -180,6 +181,14 @@
         case MBEDTLS_ERR_CCM_HW_ACCEL_FAILED:
             return( PSA_ERROR_HARDWARE_FAILURE );
 
+        case MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA:
+            return( PSA_ERROR_INVALID_ARGUMENT );
+
+        case MBEDTLS_ERR_CHACHAPOLY_BAD_STATE:
+            return( PSA_ERROR_BAD_STATE );
+        case MBEDTLS_ERR_CHACHAPOLY_AUTH_FAILED:
+            return( PSA_ERROR_INVALID_SIGNATURE );
+
         case MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE:
             return( PSA_ERROR_NOT_SUPPORTED );
         case MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA:
@@ -284,6 +293,11 @@
         case MBEDTLS_ERR_PK_HW_ACCEL_FAILED:
             return( PSA_ERROR_HARDWARE_FAILURE );
 
+        case MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED:
+            return( PSA_ERROR_HARDWARE_FAILURE );
+        case MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED:
+            return( PSA_ERROR_NOT_SUPPORTED );
+
         case MBEDTLS_ERR_RIPEMD160_HW_ACCEL_FAILED:
             return( PSA_ERROR_HARDWARE_FAILURE );
 
@@ -462,6 +476,12 @@
                 return( PSA_ERROR_INVALID_ARGUMENT );
             break;
 #endif
+#if defined(MBEDTLS_CHACHA20_C)
+        case PSA_KEY_TYPE_CHACHA20:
+            if( bits != 256 )
+                return( PSA_ERROR_INVALID_ARGUMENT );
+            break;
+#endif
         default:
             return( PSA_ERROR_NOT_SUPPORTED );
     }
@@ -2092,6 +2112,7 @@
         switch( alg )
         {
             case PSA_ALG_ARC4:
+            case PSA_ALG_CHACHA20:
                 mode = MBEDTLS_MODE_STREAM;
                 break;
             case PSA_ALG_CTR:
@@ -2115,6 +2136,9 @@
             case PSA_ALG_AEAD_WITH_TAG_LENGTH( PSA_ALG_GCM, 0 ):
                 mode = MBEDTLS_MODE_GCM;
                 break;
+            case PSA_ALG_AEAD_WITH_TAG_LENGTH( PSA_ALG_CHACHA20_POLY1305, 0 ):
+                mode = MBEDTLS_MODE_CHACHAPOLY;
+                break;
             default:
                 return( NULL );
         }
@@ -2150,6 +2174,9 @@
         case PSA_KEY_TYPE_ARC4:
             cipher_id_tmp = MBEDTLS_CIPHER_ID_ARC4;
             break;
+        case PSA_KEY_TYPE_CHACHA20:
+            cipher_id_tmp = MBEDTLS_CIPHER_ID_CHACHA20;
+            break;
         default:
             return( NULL );
     }
@@ -3384,6 +3411,11 @@
     {
         operation->iv_size = PSA_BLOCK_CIPHER_BLOCK_SIZE( slot->type );
     }
+#if defined(MBEDTLS_CHACHA20_C)
+    else
+    if( alg == PSA_ALG_CHACHA20 )
+        operation->iv_size = 12;
+#endif
 
 exit:
     if( status == 0 )
@@ -3697,6 +3729,9 @@
 #if defined(MBEDTLS_GCM_C)
         mbedtls_gcm_context gcm;
 #endif /* MBEDTLS_GCM_C */
+#if defined(MBEDTLS_CHACHAPOLY_C)
+        mbedtls_chachapoly_context chachapoly;
+#endif /* MBEDTLS_CHACHAPOLY_C */
     } ctx;
     psa_algorithm_t core_alg;
     uint8_t full_tag_length;
@@ -3747,6 +3782,9 @@
         case PSA_ALG_AEAD_WITH_TAG_LENGTH( PSA_ALG_CCM, 0 ):
             operation->core_alg = PSA_ALG_CCM;
             operation->full_tag_length = 16;
+            /* CCM allows the following tag lengths: 4, 6, 8, 10, 12, 14, 16.
+             * The call to mbedtls_ccm_encrypt_and_tag or
+             * mbedtls_ccm_auth_decrypt will validate the tag length. */
             if( PSA_BLOCK_CIPHER_BLOCK_SIZE( operation->slot->type ) != 16 )
                 return( PSA_ERROR_INVALID_ARGUMENT );
             mbedtls_ccm_init( &operation->ctx.ccm );
@@ -3763,6 +3801,9 @@
         case PSA_ALG_AEAD_WITH_TAG_LENGTH( PSA_ALG_GCM, 0 ):
             operation->core_alg = PSA_ALG_GCM;
             operation->full_tag_length = 16;
+            /* GCM allows the following tag lengths: 4, 8, 12, 13, 14, 15, 16.
+             * The call to mbedtls_gcm_crypt_and_tag or
+             * mbedtls_gcm_auth_decrypt will validate the tag length. */
             if( PSA_BLOCK_CIPHER_BLOCK_SIZE( operation->slot->type ) != 16 )
                 return( PSA_ERROR_INVALID_ARGUMENT );
             mbedtls_gcm_init( &operation->ctx.gcm );
@@ -3770,9 +3811,27 @@
                 mbedtls_gcm_setkey( &operation->ctx.gcm, cipher_id,
                                     operation->slot->data.raw.data,
                                     (unsigned int) key_bits ) );
+            if( status != 0 )
+                goto cleanup;
             break;
 #endif /* MBEDTLS_GCM_C */
 
+#if defined(MBEDTLS_CHACHAPOLY_C)
+        case PSA_ALG_AEAD_WITH_TAG_LENGTH( PSA_ALG_CHACHA20_POLY1305, 0 ):
+            operation->core_alg = PSA_ALG_CHACHA20_POLY1305;
+            operation->full_tag_length = 16;
+            /* We only support the default tag length. */
+            if( alg != PSA_ALG_CHACHA20_POLY1305 )
+                return( PSA_ERROR_NOT_SUPPORTED );
+            mbedtls_chachapoly_init( &operation->ctx.chachapoly );
+            status = mbedtls_to_psa_error(
+                mbedtls_chachapoly_setkey( &operation->ctx.chachapoly,
+                                           operation->slot->data.raw.data ) );
+            if( status != 0 )
+                goto cleanup;
+            break;
+#endif /* MBEDTLS_CHACHAPOLY_C */
+
         default:
             return( PSA_ERROR_NOT_SUPPORTED );
     }
@@ -3783,9 +3842,6 @@
         goto cleanup;
     }
     operation->tag_length = PSA_AEAD_TAG_LENGTH( alg );
-    /* CCM allows the following tag lengths: 4, 6, 8, 10, 12, 14, 16.
-     * GCM allows the following tag lengths: 4, 8, 12, 13, 14, 15, 16.
-     * In both cases, mbedtls_xxx will validate the tag length below. */
 
     return( PSA_SUCCESS );
 
@@ -3853,6 +3909,26 @@
     }
     else
 #endif /* MBEDTLS_CCM_C */
+#if defined(MBEDTLS_CHACHAPOLY_C)
+    if( operation.core_alg == PSA_ALG_CHACHA20_POLY1305 )
+    {
+        if( nonce_length != 12 || operation.tag_length != 16 )
+        {
+            status = PSA_ERROR_NOT_SUPPORTED;
+            goto exit;
+        }
+        status = mbedtls_to_psa_error(
+            mbedtls_chachapoly_encrypt_and_tag( &operation.ctx.chachapoly,
+                                                plaintext_length,
+                                                nonce,
+                                                additional_data,
+                                                additional_data_length,
+                                                plaintext,
+                                                ciphertext,
+                                                tag ) );
+    }
+    else
+#endif /* MBEDTLS_CHACHAPOLY_C */
     {
         return( PSA_ERROR_NOT_SUPPORTED );
     }
@@ -3910,15 +3986,15 @@
     if( status != PSA_SUCCESS )
         return( status );
 
+    status = psa_aead_unpadded_locate_tag( operation.tag_length,
+                                           ciphertext, ciphertext_length,
+                                           plaintext_size, &tag );
+    if( status != PSA_SUCCESS )
+        goto exit;
+
 #if defined(MBEDTLS_GCM_C)
     if( operation.core_alg == PSA_ALG_GCM )
     {
-        status = psa_aead_unpadded_locate_tag( operation.tag_length,
-                                               ciphertext, ciphertext_length,
-                                               plaintext_size, &tag );
-        if( status != PSA_SUCCESS )
-            goto exit;
-
         status = mbedtls_to_psa_error(
             mbedtls_gcm_auth_decrypt( &operation.ctx.gcm,
                                       ciphertext_length - operation.tag_length,
@@ -3933,12 +4009,6 @@
 #if defined(MBEDTLS_CCM_C)
     if( operation.core_alg == PSA_ALG_CCM )
     {
-        status = psa_aead_unpadded_locate_tag( operation.tag_length,
-                                               ciphertext, ciphertext_length,
-                                               plaintext_size, &tag );
-        if( status != PSA_SUCCESS )
-            goto exit;
-
         status = mbedtls_to_psa_error(
             mbedtls_ccm_auth_decrypt( &operation.ctx.ccm,
                                       ciphertext_length - operation.tag_length,
@@ -3950,6 +4020,26 @@
     }
     else
 #endif /* MBEDTLS_CCM_C */
+#if defined(MBEDTLS_CHACHAPOLY_C)
+    if( operation.core_alg == PSA_ALG_CHACHA20_POLY1305 )
+    {
+        if( nonce_length != 12 || operation.tag_length != 16 )
+        {
+            status = PSA_ERROR_NOT_SUPPORTED;
+            goto exit;
+        }
+        status = mbedtls_to_psa_error(
+            mbedtls_chachapoly_auth_decrypt( &operation.ctx.chachapoly,
+                                             ciphertext_length - operation.tag_length,
+                                             nonce,
+                                             additional_data,
+                                             additional_data_length,
+                                             tag,
+                                             ciphertext,
+                                             plaintext ) );
+    }
+    else
+#endif /* MBEDTLS_CHACHAPOLY_C */
     {
         return( PSA_ERROR_NOT_SUPPORTED );
     }
diff --git a/tests/suites/test_suite_psa_crypto.data b/tests/suites/test_suite_psa_crypto.data
index cfe363f..752132a 100644
--- a/tests/suites/test_suite_psa_crypto.data
+++ b/tests/suites/test_suite_psa_crypto.data
@@ -931,75 +931,75 @@
 
 PSA symmetric encrypt: AES-CBC-nopad, 16 bytes, good
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_encrypt:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a":"a076ec9dfbe47d52afc357336f20743b":PSA_SUCCESS
+cipher_encrypt:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a":"a076ec9dfbe47d52afc357336f20743b":PSA_SUCCESS
 
 PSA symmetric encrypt: AES-CBC-PKCS#7, 16 bytes, good
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_encrypt:PSA_ALG_CBC_PKCS7:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a":"a076ec9dfbe47d52afc357336f20743bca7e8a15dc3c776436314293031cd4f3":PSA_SUCCESS
+cipher_encrypt:PSA_ALG_CBC_PKCS7:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a":"a076ec9dfbe47d52afc357336f20743bca7e8a15dc3c776436314293031cd4f3":PSA_SUCCESS
 
 PSA symmetric encrypt: AES-CBC-PKCS#7, 15 bytes, good
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_encrypt:PSA_ALG_CBC_PKCS7:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e11739317":"6279b49d7f7a8dd87b685175d4276e24":PSA_SUCCESS
+cipher_encrypt:PSA_ALG_CBC_PKCS7:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e11739317":"6279b49d7f7a8dd87b685175d4276e24":PSA_SUCCESS
 
 PSA symmetric encrypt: AES-CBC-nopad, input too short
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_encrypt:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee223":"6bc1bee223":PSA_ERROR_INVALID_ARGUMENT
+cipher_encrypt:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee223":"6bc1bee223":PSA_ERROR_INVALID_ARGUMENT
 
 PSA symmetric encrypt: AES-CTR, 16 bytes, good
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_CIPHER_MODE_CTR
-cipher_encrypt:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a":"8f9408fe80a81d3e813da3c7b0b2bd32":PSA_SUCCESS
+cipher_encrypt:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a":"8f9408fe80a81d3e813da3c7b0b2bd32":PSA_SUCCESS
 
 PSA symmetric encrypt: AES-CTR, 15 bytes, good
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_CIPHER_MODE_CTR
-cipher_encrypt:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e11739317":"8f9408fe80a81d3e813da3c7b0b2bd":PSA_SUCCESS
+cipher_encrypt:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e11739317":"8f9408fe80a81d3e813da3c7b0b2bd":PSA_SUCCESS
 
 PSA symmetric encrypt: DES-CBC-nopad, 8 bytes, good
 depends_on:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_encrypt:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_DES:"01020407080b0d0e":"eda4011239bc3ac9":"64f917b0152f8f05":PSA_SUCCESS
+cipher_encrypt:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_DES:"01020407080b0d0e":"2a2a2a2a2a2a2a2a":"eda4011239bc3ac9":"64f917b0152f8f05":PSA_SUCCESS
 
 PSA symmetric encrypt: 2-key 3DES-CBC-nopad, 8 bytes, good
 depends_on:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_encrypt:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_DES:"01020407080b0d0ec1c2c4c7c8cbcdce":"eda4011239bc3ac9":"5d0652429c5b0ac7":PSA_SUCCESS
+cipher_encrypt:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_DES:"01020407080b0d0ec1c2c4c7c8cbcdce":"2a2a2a2a2a2a2a2a":"eda4011239bc3ac9":"5d0652429c5b0ac7":PSA_SUCCESS
 
 PSA symmetric encrypt: 3-key 3DES-CBC-nopad, 8 bytes, good
 depends_on:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_encrypt:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_DES:"01020407080b0d0ec1c2c4c7c8cbcdce31323437383b3d3e":"eda4011239bc3ac9":"817ca7d69b80d86a":PSA_SUCCESS
+cipher_encrypt:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_DES:"01020407080b0d0ec1c2c4c7c8cbcdce31323437383b3d3e":"2a2a2a2a2a2a2a2a":"eda4011239bc3ac9":"817ca7d69b80d86a":PSA_SUCCESS
 
 PSA symmetric decrypt: AES-CBC-nopad, 16 bytes, good
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_decrypt:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"396ee84fb75fdbb5c2b13c7fe5a654aa":"49e4e66c89a86b67758df89db9ad6955":PSA_SUCCESS
+cipher_decrypt:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"396ee84fb75fdbb5c2b13c7fe5a654aa":"49e4e66c89a86b67758df89db9ad6955":PSA_SUCCESS
 
 PSA symmetric decrypt: AES-CBC-PKCS#7, 16 bytes, good
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_decrypt:PSA_ALG_CBC_PKCS7:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"a076ec9dfbe47d52afc357336f20743bca7e8a15dc3c776436314293031cd4f3":"6bc1bee22e409f96e93d7e117393172a":PSA_SUCCESS
+cipher_decrypt:PSA_ALG_CBC_PKCS7:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"a076ec9dfbe47d52afc357336f20743bca7e8a15dc3c776436314293031cd4f3":"6bc1bee22e409f96e93d7e117393172a":PSA_SUCCESS
 
 PSA symmetric decrypt: AES-CBC-PKCS#7, 15 bytes, good
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_decrypt:PSA_ALG_CBC_PKCS7:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6279b49d7f7a8dd87b685175d4276e24":"6bc1bee22e409f96e93d7e11739317":PSA_SUCCESS
+cipher_decrypt:PSA_ALG_CBC_PKCS7:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6279b49d7f7a8dd87b685175d4276e24":"6bc1bee22e409f96e93d7e11739317":PSA_SUCCESS
 
 PSA symmetric decrypt: AES-CBC-PKCS#7, input too short (15 bytes)
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_decrypt:PSA_ALG_CBC_PKCS7:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e11739317":"49e4e66c89a86b67758df89db9ad6955":PSA_ERROR_BAD_STATE
+cipher_decrypt:PSA_ALG_CBC_PKCS7:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e11739317":"49e4e66c89a86b67758df89db9ad6955":PSA_ERROR_BAD_STATE
 
 PSA symmetric decrypt: AES-CTR, 16 bytes, good
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_CIPHER_MODE_CTR
-cipher_decrypt:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"396ee84fb75fdbb5c2b13c7fe5a654aa":"dd3b5e5319b7591daab1e1a92687feb2":PSA_SUCCESS
+cipher_decrypt:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"396ee84fb75fdbb5c2b13c7fe5a654aa":"dd3b5e5319b7591daab1e1a92687feb2":PSA_SUCCESS
 
 PSA symmetric decrypt: AES-CBC-nopad, input too short (5 bytes)
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_decrypt:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee223":"6bc1bee223":PSA_ERROR_BAD_STATE
+cipher_decrypt:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee223":"6bc1bee223":PSA_ERROR_BAD_STATE
 
 PSA symmetric decrypt: DES-CBC-nopad, 8 bytes, good
 depends_on:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_decrypt:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_DES:"01020407080b0d0e":"64f917b0152f8f05":"eda4011239bc3ac9":PSA_SUCCESS
+cipher_decrypt:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_DES:"01020407080b0d0e":"2a2a2a2a2a2a2a2a":"64f917b0152f8f05":"eda4011239bc3ac9":PSA_SUCCESS
 
 PSA symmetric decrypt: 2-key 3DES-CBC-nopad, 8 bytes, good
 depends_on:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_decrypt:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_DES:"01020407080b0d0ec1c2c4c7c8cbcdce":"5d0652429c5b0ac7":"eda4011239bc3ac9":PSA_SUCCESS
+cipher_decrypt:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_DES:"01020407080b0d0ec1c2c4c7c8cbcdce":"2a2a2a2a2a2a2a2a":"5d0652429c5b0ac7":"eda4011239bc3ac9":PSA_SUCCESS
 
 PSA symmetric decrypt: 3-key 3DES-CBC-nopad, 8 bytes, good
 depends_on:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_decrypt:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_DES:"01020407080b0d0ec1c2c4c7c8cbcdce31323437383b3d3e":"817ca7d69b80d86a":"eda4011239bc3ac9":PSA_SUCCESS
+cipher_decrypt:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_DES:"01020407080b0d0ec1c2c4c7c8cbcdce31323437383b3d3e":"2a2a2a2a2a2a2a2a":"817ca7d69b80d86a":"eda4011239bc3ac9":PSA_SUCCESS
 
 PSA symmetric encrypt/decrypt: AES-CBC-nopad, 16 bytes, good
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
@@ -1019,127 +1019,127 @@
 
 PSA symmetric encryption multipart: AES-CBC-nopad, 7+9 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_encrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a":7:0:16:"a076ec9dfbe47d52afc357336f20743b"
+cipher_encrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a":7:0:16:"a076ec9dfbe47d52afc357336f20743b"
 
 PSA symmetric encryption multipart: AES-CBC-nopad, 3+13 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_encrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a":3:0:16:"a076ec9dfbe47d52afc357336f20743b"
+cipher_encrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a":3:0:16:"a076ec9dfbe47d52afc357336f20743b"
 
 PSA symmetric encryption multipart: AES-CBC-nopad, 4+12 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_encrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a":4:0:16:"a076ec9dfbe47d52afc357336f20743b"
+cipher_encrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a":4:0:16:"a076ec9dfbe47d52afc357336f20743b"
 
 PSA symmetric encryption multipart: AES-CBC-nopad, 11+5 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_encrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a":11:0:16:"a076ec9dfbe47d52afc357336f20743b"
+cipher_encrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a":11:0:16:"a076ec9dfbe47d52afc357336f20743b"
 
 PSA symmetric encryption multipart: AES-CBC-nopad, 16+16 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_encrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef":16:16:16:"a076ec9dfbe47d52afc357336f20743b89906f2f9207ac02aa658cb4ef19c61f"
+cipher_encrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef":16:16:16:"a076ec9dfbe47d52afc357336f20743b89906f2f9207ac02aa658cb4ef19c61f"
 
 PSA symmetric encryption multipart: AES-CBC-nopad, 12+20 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_encrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef":12:0:32:"a076ec9dfbe47d52afc357336f20743b89906f2f9207ac02aa658cb4ef19c61f"
+cipher_encrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef":12:0:32:"a076ec9dfbe47d52afc357336f20743b89906f2f9207ac02aa658cb4ef19c61f"
 
 PSA symmetric encryption multipart: AES-CBC-nopad, 20+12 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_encrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef":20:16:16:"a076ec9dfbe47d52afc357336f20743b89906f2f9207ac02aa658cb4ef19c61f"
+cipher_encrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef":20:16:16:"a076ec9dfbe47d52afc357336f20743b89906f2f9207ac02aa658cb4ef19c61f"
 
 PSA symmetric encryption multipart: AES-CTR, 11+5 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CTR
-cipher_encrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a":11:11:5:"8f9408fe80a81d3e813da3c7b0b2bd32"
+cipher_encrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a":11:11:5:"8f9408fe80a81d3e813da3c7b0b2bd32"
 
 PSA symmetric encryption multipart: AES-CTR, 16+16 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CTR
-cipher_encrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef":16:16:16:"8f9408fe80a81d3e813da3c7b0b2bd321c965bb1de7baf71025f6ef6393ca587"
+cipher_encrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef":16:16:16:"8f9408fe80a81d3e813da3c7b0b2bd321c965bb1de7baf71025f6ef6393ca587"
 
 PSA symmetric encryption multipart: AES-CTR, 12+20 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CTR
-cipher_encrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef":12:12:20:"8f9408fe80a81d3e813da3c7b0b2bd321c965bb1de7baf71025f6ef6393ca587"
+cipher_encrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef":12:12:20:"8f9408fe80a81d3e813da3c7b0b2bd321c965bb1de7baf71025f6ef6393ca587"
 
 PSA symmetric encryption multipart: AES-CTR, 20+12 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CTR
-cipher_encrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef":20:20:12:"8f9408fe80a81d3e813da3c7b0b2bd321c965bb1de7baf71025f6ef6393ca587"
+cipher_encrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef":20:20:12:"8f9408fe80a81d3e813da3c7b0b2bd321c965bb1de7baf71025f6ef6393ca587"
 
 PSA symmetric encryption multipart: AES-CTR, 12+10 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CTR
-cipher_encrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a5434f378a597":12:12:10:"8f9408fe80a81d3e813da3c7b0b2bd321c965bb1de7b"
+cipher_encrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a5434f378a597":12:12:10:"8f9408fe80a81d3e813da3c7b0b2bd321c965bb1de7b"
 
 PSA symmetric encryption multipart: AES-CTR, 0+15 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CTR
-cipher_encrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e11739317":0:0:15:"8f9408fe80a81d3e813da3c7b0b2bd"
+cipher_encrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e11739317":0:0:15:"8f9408fe80a81d3e813da3c7b0b2bd"
 
 PSA symmetric encryption multipart: AES-CTR, 15+0 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CTR
-cipher_encrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e11739317":15:15:0:"8f9408fe80a81d3e813da3c7b0b2bd"
+cipher_encrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e11739317":15:15:0:"8f9408fe80a81d3e813da3c7b0b2bd"
 
 PSA symmetric encryption multipart: AES-CTR, 0+16 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CTR
-cipher_encrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a":0:0:16:"8f9408fe80a81d3e813da3c7b0b2bd32"
+cipher_encrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a":0:0:16:"8f9408fe80a81d3e813da3c7b0b2bd32"
 
 PSA symmetric encryption multipart: AES-CTR, 16+0 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CTR
-cipher_encrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a":16:16:0:"8f9408fe80a81d3e813da3c7b0b2bd32"
+cipher_encrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a":16:16:0:"8f9408fe80a81d3e813da3c7b0b2bd32"
 
 PSA symmetric decryption multipart: AES-CBC-nopad, 7+9 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_decrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"a076ec9dfbe47d52afc357336f20743b":7:0:16:"6bc1bee22e409f96e93d7e117393172a"
+cipher_decrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"a076ec9dfbe47d52afc357336f20743b":7:0:16:"6bc1bee22e409f96e93d7e117393172a"
 
 PSA symmetric decryption multipart: AES-CBC-nopad, 3+13 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_decrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"a076ec9dfbe47d52afc357336f20743b":3:0:16:"6bc1bee22e409f96e93d7e117393172a"
+cipher_decrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"a076ec9dfbe47d52afc357336f20743b":3:0:16:"6bc1bee22e409f96e93d7e117393172a"
 
 PSA symmetric decryption multipart: AES-CBC-nopad, 11+5 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_decrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"a076ec9dfbe47d52afc357336f20743b":11:0:16:"6bc1bee22e409f96e93d7e117393172a"
+cipher_decrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"a076ec9dfbe47d52afc357336f20743b":11:0:16:"6bc1bee22e409f96e93d7e117393172a"
 
 PSA symmetric decryption multipart: AES-CBC-nopad, 16+16 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_decrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"a076ec9dfbe47d52afc357336f20743b89906f2f9207ac02aa658cb4ef19c61f":16:16:16:"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef"
+cipher_decrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"a076ec9dfbe47d52afc357336f20743b89906f2f9207ac02aa658cb4ef19c61f":16:16:16:"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef"
 
 PSA symmetric decryption multipart: AES-CBC-nopad, 12+20 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_decrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"a076ec9dfbe47d52afc357336f20743b89906f2f9207ac02aa658cb4ef19c61f":12:0:32:"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef"
+cipher_decrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"a076ec9dfbe47d52afc357336f20743b89906f2f9207ac02aa658cb4ef19c61f":12:0:32:"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef"
 
 PSA symmetric decryption multipart: AES-CBC-nopad, 20+12 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
-cipher_decrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"a076ec9dfbe47d52afc357336f20743b89906f2f9207ac02aa658cb4ef19c61f":20:16:16:"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef"
+cipher_decrypt_multipart:PSA_ALG_CBC_NO_PADDING:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"a076ec9dfbe47d52afc357336f20743b89906f2f9207ac02aa658cb4ef19c61f":20:16:16:"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef"
 
 PSA symmetric encryption multipart: AES-CTR, 11+5 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CTR
-cipher_decrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a":11:11:5:"8f9408fe80a81d3e813da3c7b0b2bd32"
+cipher_decrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a":11:11:5:"8f9408fe80a81d3e813da3c7b0b2bd32"
 
 PSA symmetric encryption multipart: AES-CTR, 16+16 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CTR
-cipher_decrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef":16:16:16:"8f9408fe80a81d3e813da3c7b0b2bd321c965bb1de7baf71025f6ef6393ca587"
+cipher_decrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef":16:16:16:"8f9408fe80a81d3e813da3c7b0b2bd321c965bb1de7baf71025f6ef6393ca587"
 
 PSA symmetric encryption multipart: AES-CTR, 12+20 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CTR
-cipher_decrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef":12:12:20:"8f9408fe80a81d3e813da3c7b0b2bd321c965bb1de7baf71025f6ef6393ca587"
+cipher_decrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef":12:12:20:"8f9408fe80a81d3e813da3c7b0b2bd321c965bb1de7baf71025f6ef6393ca587"
 
 PSA symmetric encryption multipart: AES-CTR, 20+12 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CTR
-cipher_decrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef":20:20:12:"8f9408fe80a81d3e813da3c7b0b2bd321c965bb1de7baf71025f6ef6393ca587"
+cipher_decrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a5434f378a597bcef1389318c7fc865ef":20:20:12:"8f9408fe80a81d3e813da3c7b0b2bd321c965bb1de7baf71025f6ef6393ca587"
 
 PSA symmetric encryption multipart: AES-CTR, 12+10 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CTR
-cipher_decrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a5434f378a597":12:12:10:"8f9408fe80a81d3e813da3c7b0b2bd321c965bb1de7b"
+cipher_decrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a5434f378a597":12:12:10:"8f9408fe80a81d3e813da3c7b0b2bd321c965bb1de7b"
 
 PSA symmetric decryption multipart: AES-CTR, 0+15 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CTR
-cipher_decrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e11739317":0:0:15:"8f9408fe80a81d3e813da3c7b0b2bd"
+cipher_decrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e11739317":0:0:15:"8f9408fe80a81d3e813da3c7b0b2bd"
 
 PSA symmetric decryption multipart: AES-CTR, 15+0 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CTR
-cipher_decrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e11739317":15:15:0:"8f9408fe80a81d3e813da3c7b0b2bd"
+cipher_decrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e11739317":15:15:0:"8f9408fe80a81d3e813da3c7b0b2bd"
 
 PSA symmetric decryption multipart: AES-CTR, 0+16 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CTR
-cipher_decrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a":0:0:16:"8f9408fe80a81d3e813da3c7b0b2bd32"
+cipher_decrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a":0:0:16:"8f9408fe80a81d3e813da3c7b0b2bd32"
 
 PSA symmetric decryption multipart: AES-CTR, 16+0 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CTR
-cipher_decrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"6bc1bee22e409f96e93d7e117393172a":16:16:0:"8f9408fe80a81d3e813da3c7b0b2bd32"
+cipher_decrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a":16:16:0:"8f9408fe80a81d3e813da3c7b0b2bd32"
 
 PSA symmetric encrypt/decrypt multipart: AES-CBC-nopad, 11+5 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
@@ -1149,6 +1149,26 @@
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_CIPHER_PADDING_PKCS7
 cipher_verify_output_multipart:PSA_ALG_CBC_PKCS7:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"a076ec9dfbe47d52afc357336f20743b":4
 
+PSA symmetric encrypt: ChaCha20, K=0 N=0
+depends_on:MBEDTLS_CHACHA20_C
+cipher_encrypt:PSA_ALG_CHACHA20:PSA_KEY_TYPE_CHACHA20:"0000000000000000000000000000000000000000000000000000000000000000":"000000000000000000000000":"00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000":"76b8e0ada0f13d90405d6ae55386bd28bdd219b8a08ded1aa836efcc8b770dc7da41597c5157488d7724e03fb8d84a376a43b8f41518a11cc387b669b2ee6586":PSA_SUCCESS
+
+PSA symmetric encrypt: ChaCha20, K=rand N=rand
+depends_on:MBEDTLS_CHACHA20_C
+cipher_encrypt:PSA_ALG_CHACHA20:PSA_KEY_TYPE_CHACHA20:"4bddc98c551a95395ef719557f813656b566bc45aac04eca3866324cc75489f2":"a170d9349d24955aa4501891":"00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000":"9ba7d8de0c6b579fc436e368619e09228070d23246c836d6c6b4c476af6f5eb2b78fbe809d03f7881e6af28cfe3746e8dcf1eb7f762fe7d003141f1539a6cec4":PSA_SUCCESS
+
+PSA symmetric encryption multipart: ChaCha20, 14+50 bytes
+depends_on:MBEDTLS_CHACHA20_C
+cipher_encrypt_multipart:PSA_ALG_CHACHA20:PSA_KEY_TYPE_CHACHA20:"4bddc98c551a95395ef719557f813656b566bc45aac04eca3866324cc75489f2":"a170d9349d24955aa4501891":"00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000":14:14:50:"9ba7d8de0c6b579fc436e368619e09228070d23246c836d6c6b4c476af6f5eb2b78fbe809d03f7881e6af28cfe3746e8dcf1eb7f762fe7d003141f1539a6cec4"
+
+PSA symmetric decrypt: ChaCha20, K=rand N=rand
+depends_on:MBEDTLS_CHACHA20_C
+cipher_decrypt:PSA_ALG_CHACHA20:PSA_KEY_TYPE_CHACHA20:"4bddc98c551a95395ef719557f813656b566bc45aac04eca3866324cc75489f2":"a170d9349d24955aa4501891":"00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000":"9ba7d8de0c6b579fc436e368619e09228070d23246c836d6c6b4c476af6f5eb2b78fbe809d03f7881e6af28cfe3746e8dcf1eb7f762fe7d003141f1539a6cec4":PSA_SUCCESS
+
+PSA symmetric decryption multipart: ChaCha20, 14+50 bytes
+depends_on:MBEDTLS_CHACHA20_C
+cipher_decrypt_multipart:PSA_ALG_CHACHA20:PSA_KEY_TYPE_CHACHA20:"4bddc98c551a95395ef719557f813656b566bc45aac04eca3866324cc75489f2":"a170d9349d24955aa4501891":"00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000":14:14:50:"9ba7d8de0c6b579fc436e368619e09228070d23246c836d6c6b4c476af6f5eb2b78fbe809d03f7881e6af28cfe3746e8dcf1eb7f762fe7d003141f1539a6cec4"
+
 PSA AEAD encrypt/decrypt: AES-CCM, 19 bytes #1
 depends_on:MBEDTLS_AES_C:MBEDTLS_CCM_C
 aead_encrypt_decrypt:PSA_KEY_TYPE_AES:"C0C1C2C3C4C5C6C7C8C9CACBCCCDCECF":PSA_ALG_CCM:"000102030405060708090A0B":"000102030405060708090A0B":"0C0D0E0F101112131415161718191A1B1C1D1E":PSA_SUCCESS
@@ -1329,9 +1349,25 @@
 depends_on:MBEDTLS_AES_C:MBEDTLS_GCM_C
 aead_decrypt:PSA_KEY_TYPE_AES:"a0ec7b0052541d9e9c091fb7fc481409":PSA_ALG_AEAD_WITH_TAG_LENGTH( PSA_ALG_GCM, 18 ):"48c0906930561e0ab0ef4cd972":"40a27c1d1e23ea3dbe8056b2774861a4a201cce49f19997d19206d8c8a343951":"26c56961c035a7e452cce61bc6ee220d77b3f94d18fd10b6":"4535d12b4377928a7c0a61c9f825a48671ea05910748c8ef":PSA_ERROR_INVALID_ARGUMENT
 
+PSA AEAD encrypt: ChaCha20-Poly1305 (RFC7539)
+depends_on:MBEDTLS_CHACHAPOLY_C
+aead_encrypt:PSA_KEY_TYPE_CHACHA20:"808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f":PSA_ALG_CHACHA20_POLY1305:"070000004041424344454647":"50515253c0c1c2c3c4c5c6c7":"4c616469657320616e642047656e746c656d656e206f662074686520636c617373206f66202739393a204966204920636f756c64206f6666657220796f75206f6e6c79206f6e652074697020666f7220746865206675747572652c2073756e73637265656e20776f756c642062652069742e":"d31a8d34648e60db7b86afbc53ef7ec2a4aded51296e08fea9e2b5a736ee62d63dbea45e8ca9671282fafb69da92728b1a71de0a9e060b2905d6a5b67ecd3b3692ddbd7f2d778b8c9803aee328091b58fab324e4fad675945585808b4831d7bc3ff4def08e4b7a9de576d26586cec64b61161ae10b594f09e26a7e902ecbd0600691"
+
+PSA AEAD decrypt: ChaCha20-Poly1305 (RFC7539, good tag)
+depends_on:MBEDTLS_CHACHAPOLY_C
+aead_decrypt:PSA_KEY_TYPE_CHACHA20:"808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f":PSA_ALG_CHACHA20_POLY1305:"070000004041424344454647":"50515253c0c1c2c3c4c5c6c7":"d31a8d34648e60db7b86afbc53ef7ec2a4aded51296e08fea9e2b5a736ee62d63dbea45e8ca9671282fafb69da92728b1a71de0a9e060b2905d6a5b67ecd3b3692ddbd7f2d778b8c9803aee328091b58fab324e4fad675945585808b4831d7bc3ff4def08e4b7a9de576d26586cec64b61161ae10b594f09e26a7e902ecbd0600691":"4c616469657320616e642047656e746c656d656e206f662074686520636c617373206f66202739393a204966204920636f756c64206f6666657220796f75206f6e6c79206f6e652074697020666f7220746865206675747572652c2073756e73637265656e20776f756c642062652069742e":PSA_SUCCESS
+
+PSA AEAD decrypt: ChaCha20-Poly1305 (RFC7539, bad tag)
+depends_on:MBEDTLS_CHACHAPOLY_C
+aead_decrypt:PSA_KEY_TYPE_CHACHA20:"808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f":PSA_ALG_CHACHA20_POLY1305:"070000004041424344454647":"50515253c0c1c2c3c4c5c6c7":"d31a8d34648e60db7b86afbc53ef7ec2a4aded51296e08fea9e2b5a736ee62d63dbea45e8ca9671282fafb69da92728b1a71de0a9e060b2905d6a5b67ecd3b3692ddbd7f2d778b8c9803aee328091b58fab324e4fad675945585808b4831d7bc3ff4def08e4b7a9de576d26586cec64b61161ae10b594f09e26a7e902ecbd0600690":"4c616469657320616e642047656e746c656d656e206f662074686520636c617373206f66202739393a204966204920636f756c64206f6666657220796f75206f6e6c79206f6e652074697020666f7220746865206675747572652c2073756e73637265656e20776f756c642062652069742e":PSA_ERROR_INVALID_SIGNATURE
+
 PSA AEAD encrypt/decrypt: invalid algorithm (CTR)
 depends_on:MBEDTLS_AES_C:MBEDTLS_GCM_C
-aead_encrypt_decrypt:PSA_KEY_TYPE_AES:"D7828D13B2B0BDC325A76236DF93CC6B":PSA_ALG_CTR:"000102030405060708090A0B0C0D0E0F":"EC46BB63B02520C33C49FD70":"B96B49E21D621741632875DB7F6C9243D2D7C2":PSA_ERROR_NOT_SUPPORTED
+aead_encrypt_decrypt:PSA_KEY_TYPE_AES:"D7828D13B2B0BDC325A76236DF93CC6B":PSA_ALG_CTR:"000102030405060708090A0B0C0D0E0F":"":"":PSA_ERROR_NOT_SUPPORTED
+
+PSA AEAD encrypt/decrypt: invalid algorithm (ChaCha20)
+depends_on:MBEDTLS_CHACHA20_C
+aead_encrypt_decrypt:PSA_KEY_TYPE_CHACHA20:"808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f":PSA_ALG_CHACHA20:"":"":"":PSA_ERROR_NOT_SUPPORTED
 
 PSA signature size: RSA keypair, 1024 bits, PKCS#1 v1.5 raw
 signature_size:PSA_KEY_TYPE_RSA_KEYPAIR:1024:PSA_ALG_RSA_PKCS1V15_SIGN_RAW:128
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index 52b92ca..68ea9f0 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -2843,7 +2843,7 @@
 
 /* BEGIN_CASE */
 void cipher_encrypt( int alg_arg, int key_type_arg,
-                     data_t *key,
+                     data_t *key, data_t *iv,
                      data_t *input, data_t *expected_output,
                      int expected_status_arg )
 {
@@ -2852,8 +2852,6 @@
     psa_key_type_t key_type = key_type_arg;
     psa_algorithm_t alg = alg_arg;
     psa_status_t expected_status = expected_status_arg;
-    unsigned char iv[16] = {0};
-    size_t iv_size;
     unsigned char *output = NULL;
     size_t output_buffer_size = 0;
     size_t function_output_length = 0;
@@ -2861,9 +2859,6 @@
     psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
 
-    iv_size = PSA_BLOCK_CIPHER_BLOCK_SIZE( key_type );
-    memset( iv, 0x2a, iv_size );
-
     PSA_ASSERT( psa_crypto_init( ) );
 
     psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_ENCRYPT );
@@ -2875,8 +2870,7 @@
     PSA_ASSERT( psa_cipher_encrypt_setup( &operation,
                                           handle, alg ) );
 
-    PSA_ASSERT( psa_cipher_set_iv( &operation,
-                                   iv, iv_size ) );
+    PSA_ASSERT( psa_cipher_set_iv( &operation, iv->x, iv->len ) );
     output_buffer_size = ( (size_t) input->len +
                            PSA_BLOCK_CIPHER_BLOCK_SIZE( key_type ) );
     ASSERT_ALLOC( output, output_buffer_size );
@@ -2909,7 +2903,7 @@
 
 /* BEGIN_CASE */
 void cipher_encrypt_multipart( int alg_arg, int key_type_arg,
-                               data_t *key,
+                               data_t *key, data_t *iv,
                                data_t *input,
                                int first_part_size_arg,
                                int output1_length_arg, int output2_length_arg,
@@ -2921,8 +2915,6 @@
     size_t first_part_size = first_part_size_arg;
     size_t output1_length = output1_length_arg;
     size_t output2_length = output2_length_arg;
-    unsigned char iv[16] = {0};
-    size_t iv_size;
     unsigned char *output = NULL;
     size_t output_buffer_size = 0;
     size_t function_output_length = 0;
@@ -2930,9 +2922,6 @@
     psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
 
-    iv_size = PSA_BLOCK_CIPHER_BLOCK_SIZE( key_type );
-    memset( iv, 0x2a, iv_size );
-
     PSA_ASSERT( psa_crypto_init( ) );
 
     psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_ENCRYPT );
@@ -2944,8 +2933,7 @@
     PSA_ASSERT( psa_cipher_encrypt_setup( &operation,
                                           handle, alg ) );
 
-    PSA_ASSERT( psa_cipher_set_iv( &operation,
-                                   iv, sizeof( iv ) ) );
+    PSA_ASSERT( psa_cipher_set_iv( &operation, iv->x, iv->len ) );
     output_buffer_size = ( (size_t) input->len +
                            PSA_BLOCK_CIPHER_BLOCK_SIZE( key_type ) );
     ASSERT_ALLOC( output, output_buffer_size );
@@ -2983,7 +2971,7 @@
 
 /* BEGIN_CASE */
 void cipher_decrypt_multipart( int alg_arg, int key_type_arg,
-                               data_t *key,
+                               data_t *key, data_t *iv,
                                data_t *input,
                                int first_part_size_arg,
                                int output1_length_arg, int output2_length_arg,
@@ -2996,8 +2984,6 @@
     size_t first_part_size = first_part_size_arg;
     size_t output1_length = output1_length_arg;
     size_t output2_length = output2_length_arg;
-    unsigned char iv[16] = {0};
-    size_t iv_size;
     unsigned char *output = NULL;
     size_t output_buffer_size = 0;
     size_t function_output_length = 0;
@@ -3005,9 +2991,6 @@
     psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
 
-    iv_size = PSA_BLOCK_CIPHER_BLOCK_SIZE( key_type );
-    memset( iv, 0x2a, iv_size );
-
     PSA_ASSERT( psa_crypto_init( ) );
 
     psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_DECRYPT );
@@ -3019,8 +3002,7 @@
     PSA_ASSERT( psa_cipher_decrypt_setup( &operation,
                                           handle, alg ) );
 
-    PSA_ASSERT( psa_cipher_set_iv( &operation,
-                                   iv, sizeof( iv ) ) );
+    PSA_ASSERT( psa_cipher_set_iv( &operation, iv->x, iv->len ) );
 
     output_buffer_size = ( (size_t) input->len +
                            PSA_BLOCK_CIPHER_BLOCK_SIZE( key_type ) );
@@ -3060,7 +3042,7 @@
 
 /* BEGIN_CASE */
 void cipher_decrypt( int alg_arg, int key_type_arg,
-                     data_t *key,
+                     data_t *key, data_t *iv,
                      data_t *input, data_t *expected_output,
                      int expected_status_arg )
 {
@@ -3069,8 +3051,6 @@
     psa_key_type_t key_type = key_type_arg;
     psa_algorithm_t alg = alg_arg;
     psa_status_t expected_status = expected_status_arg;
-    unsigned char iv[16] = {0};
-    size_t iv_size;
     unsigned char *output = NULL;
     size_t output_buffer_size = 0;
     size_t function_output_length = 0;
@@ -3078,9 +3058,6 @@
     psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
 
-    iv_size = PSA_BLOCK_CIPHER_BLOCK_SIZE( key_type );
-    memset( iv, 0x2a, iv_size );
-
     PSA_ASSERT( psa_crypto_init( ) );
 
     psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_DECRYPT );
@@ -3092,8 +3069,7 @@
     PSA_ASSERT( psa_cipher_decrypt_setup( &operation,
                                           handle, alg ) );
 
-    PSA_ASSERT( psa_cipher_set_iv( &operation,
-                                   iv, iv_size ) );
+    PSA_ASSERT( psa_cipher_set_iv( &operation, iv->x, iv->len ) );
 
     output_buffer_size = ( (size_t) input->len +
                            PSA_BLOCK_CIPHER_BLOCK_SIZE( key_type ) );
@@ -3326,11 +3302,16 @@
     size_t output_length = 0;
     unsigned char *output_data2 = NULL;
     size_t output_length2 = 0;
-    size_t tag_length = 16;
+    size_t tag_length = PSA_AEAD_TAG_LENGTH( alg );
     psa_status_t expected_result = expected_result_arg;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
 
     output_size = input_data->len + tag_length;
+    /* For all currently defined algorithms, PSA_AEAD_ENCRYPT_OUTPUT_SIZE
+     * should be exact. */
+    if( expected_result != PSA_ERROR_INVALID_ARGUMENT )
+        TEST_EQUAL( output_size,
+                    PSA_AEAD_ENCRYPT_OUTPUT_SIZE( alg, input_data->len ) );
     ASSERT_ALLOC( output_data, output_size );
 
     PSA_ASSERT( psa_crypto_init( ) );
@@ -3355,6 +3336,11 @@
     {
         ASSERT_ALLOC( output_data2, output_length );
 
+        /* For all currently defined algorithms, PSA_AEAD_DECRYPT_OUTPUT_SIZE
+         * should be exact. */
+        TEST_EQUAL( input_data->len,
+                    PSA_AEAD_DECRYPT_OUTPUT_SIZE( alg, output_length ) );
+
         TEST_EQUAL( psa_aead_decrypt( handle, alg,
                                       nonce->x, nonce->len,
                                       additional_data->x,
@@ -3390,10 +3376,14 @@
     unsigned char *output_data = NULL;
     size_t output_size = 0;
     size_t output_length = 0;
-    size_t tag_length = 16;
+    size_t tag_length = PSA_AEAD_TAG_LENGTH( alg );
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
 
     output_size = input_data->len + tag_length;
+    /* For all currently defined algorithms, PSA_AEAD_ENCRYPT_OUTPUT_SIZE
+     * should be exact. */
+    TEST_EQUAL( output_size,
+                PSA_AEAD_ENCRYPT_OUTPUT_SIZE( alg, input_data->len ) );
     ASSERT_ALLOC( output_data, output_size );
 
     PSA_ASSERT( psa_crypto_init( ) );
@@ -3437,11 +3427,16 @@
     unsigned char *output_data = NULL;
     size_t output_size = 0;
     size_t output_length = 0;
-    size_t tag_length = 16;
+    size_t tag_length = PSA_AEAD_TAG_LENGTH( alg );
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
     psa_status_t expected_result = expected_result_arg;
 
-    output_size = input_data->len + tag_length;
+    output_size = input_data->len - tag_length;
+    /* For all currently defined algorithms, PSA_AEAD_DECRYPT_OUTPUT_SIZE
+     * should be exact. */
+    if( expected_result != PSA_ERROR_INVALID_ARGUMENT )
+        TEST_EQUAL( output_size,
+                    PSA_AEAD_DECRYPT_OUTPUT_SIZE( alg, input_data->len ) );
     ASSERT_ALLOC( output_data, output_size );
 
     PSA_ASSERT( psa_crypto_init( ) );
diff --git a/tests/suites/test_suite_psa_crypto_metadata.data b/tests/suites/test_suite_psa_crypto_metadata.data
index edb09a8..94b80ac 100644
--- a/tests/suites/test_suite_psa_crypto_metadata.data
+++ b/tests/suites/test_suite_psa_crypto_metadata.data
@@ -166,6 +166,10 @@
 depends_on:MBEDTLS_ARC4_C
 cipher_algorithm:PSA_ALG_ARC4:ALG_IS_STREAM_CIPHER
 
+Cipher: ChaCha20
+depends_on:MBEDTLS_CHACHA_C
+cipher_algorithm:PSA_ALG_CHACHA20:ALG_IS_STREAM_CIPHER
+
 Cipher: CTR
 depends_on:MBEDTLS_CIPHER_C:MBEDTLS_CIPHER_MODE_CTR
 cipher_algorithm:PSA_ALG_CTR:ALG_IS_STREAM_CIPHER
@@ -192,11 +196,15 @@
 
 AEAD: CCM
 depends_on:MBEDTLS_CCM_C
-aead_algorithm:PSA_ALG_CCM:0:16
+aead_algorithm:PSA_ALG_CCM:ALG_IS_AEAD_ON_BLOCK_CIPHER:16
 
 AEAD: GCM
 depends_on:MBEDTLS_GCM_C
-aead_algorithm:PSA_ALG_GCM:0:16
+aead_algorithm:PSA_ALG_GCM:ALG_IS_AEAD_ON_BLOCK_CIPHER:16
+
+AEAD: ChaCha20_Poly1305
+depends_on:MBEDTLS_CHACHAPOLY_C
+aead_algorithm:PSA_ALG_CHACHA20_POLY1305:0:16
 
 Asymmetric signature: RSA PKCS#1 v1.5 raw
 depends_on:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15
@@ -307,6 +315,10 @@
 depends_on:MBEDTLS_ARC4_C
 key_type:PSA_KEY_TYPE_ARC4:KEY_TYPE_IS_UNSTRUCTURED
 
+Key type: ChaCha20
+depends_on:MBEDTLS_CHACHA20_C
+key_type:PSA_KEY_TYPE_CHACHA20:KEY_TYPE_IS_UNSTRUCTURED
+
 Key type: RSA public key
 depends_on:MBEDTLS_RSA_C
 key_type:PSA_KEY_TYPE_RSA_PUBLIC_KEY:KEY_TYPE_IS_PUBLIC_KEY | KEY_TYPE_IS_RSA
diff --git a/tests/suites/test_suite_psa_crypto_metadata.function b/tests/suites/test_suite_psa_crypto_metadata.function
index 0b7e7ae..e1eb1c5 100644
--- a/tests/suites/test_suite_psa_crypto_metadata.function
+++ b/tests/suites/test_suite_psa_crypto_metadata.function
@@ -36,6 +36,7 @@
 #define ALG_IS_ECDH                     ( 1u << 18 )
 #define ALG_IS_WILDCARD                 ( 1u << 19 )
 #define ALG_IS_RAW_KEY_AGREEMENT        ( 1u << 20 )
+#define ALG_IS_AEAD_ON_BLOCK_CIPHER     ( 1u << 21 )
 
 /* Flags for key type classification macros. There is a flag for every
  * key type classification macro PSA_KEY_TYPE_IS_xxx except for some that
@@ -77,6 +78,7 @@
     TEST_CLASSIFICATION_MACRO( ALG_IS_ECDH, alg, flags );
     TEST_CLASSIFICATION_MACRO( ALG_IS_FFDH, alg, flags );
     TEST_CLASSIFICATION_MACRO( ALG_IS_RAW_KEY_AGREEMENT, alg, flags );
+    TEST_CLASSIFICATION_MACRO( ALG_IS_AEAD_ON_BLOCK_CIPHER, alg, flags );
 exit: ;
 }