diff --git a/3rdparty/Makefile.inc b/3rdparty/Makefile.inc
index 80dc126..70f316b 100644
--- a/3rdparty/Makefile.inc
+++ b/3rdparty/Makefile.inc
@@ -1,3 +1,3 @@
-THIRDPARTY_DIR = $(dir $(word 2, $(MAKEFILE_LIST)))
+THIRDPARTY_DIR := $(dir $(lastword $(MAKEFILE_LIST)))
 include $(THIRDPARTY_DIR)/everest/Makefile.inc
 include $(THIRDPARTY_DIR)/p256-m/Makefile.inc
diff --git a/ChangeLog.d/add-psa-example-program-hash.txt b/ChangeLog.d/add-psa-example-program-hash.txt
new file mode 100644
index 0000000..ba4da20
--- /dev/null
+++ b/ChangeLog.d/add-psa-example-program-hash.txt
@@ -0,0 +1,2 @@
+Features
+   * Added an example program showing how to hash with the PSA API.
diff --git a/ChangeLog.d/fix-cpp-compilation-error.txt b/ChangeLog.d/fix-cpp-compilation-error.txt
new file mode 100644
index 0000000..32d86dc
--- /dev/null
+++ b/ChangeLog.d/fix-cpp-compilation-error.txt
@@ -0,0 +1,3 @@
+Bugfix
+   * Fix compilation error in C++ programs when MBEDTLS_ASN1_PARSE_C is
+     disabled.
diff --git a/ChangeLog.d/pkwrite-pem-use-heap.txt b/ChangeLog.d/pkwrite-pem-use-heap.txt
new file mode 100644
index 0000000..11db7b6
--- /dev/null
+++ b/ChangeLog.d/pkwrite-pem-use-heap.txt
@@ -0,0 +1,4 @@
+Changes
+   * Use heap memory to allocate DER encoded public/private key.
+     This reduces stack usage significantly for writing a public/private
+     key to a PEM string.
diff --git a/include/mbedtls/asn1.h b/include/mbedtls/asn1.h
index c7aae0f..a044543 100644
--- a/include/mbedtls/asn1.h
+++ b/include/mbedtls/asn1.h
@@ -644,10 +644,10 @@
 /** \} name Functions to parse ASN.1 data structures */
 /** \} addtogroup asn1_module */
 
+#endif /* MBEDTLS_ASN1_PARSE_C */
+
 #ifdef __cplusplus
 }
 #endif
 
-#endif /* MBEDTLS_ASN1_PARSE_C */
-
 #endif /* asn1.h */
diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index d9c3b81..2e3ffc2 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -231,7 +231,7 @@
 #error "MBEDTLS_ECDSA_DETERMINISTIC defined, but not all prerequisites"
 #endif
 
-#if defined(MBEDTLS_ECP_C) && ( !defined(MBEDTLS_BIGNUM_C) || (    \
+#if defined(MBEDTLS_ECP_LIGHT) && ( !defined(MBEDTLS_BIGNUM_C) || (    \
     !defined(MBEDTLS_ECP_DP_SECP192R1_ENABLED) &&                  \
     !defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED) &&                  \
     !defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) &&                  \
@@ -245,7 +245,7 @@
     !defined(MBEDTLS_ECP_DP_SECP256K1_ENABLED) &&                  \
     !defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED) &&                 \
     !defined(MBEDTLS_ECP_DP_CURVE448_ENABLED) ) )
-#error "MBEDTLS_ECP_C defined, but not all prerequisites"
+#error "MBEDTLS_ECP_C defined (or a subset enabled), but not all prerequisites"
 #endif
 
 #if defined(MBEDTLS_PK_PARSE_C) && !defined(MBEDTLS_ASN1_PARSE_C)
diff --git a/include/mbedtls/sha256.h b/include/mbedtls/sha256.h
index 87e259f..45a5f90 100644
--- a/include/mbedtls/sha256.h
+++ b/include/mbedtls/sha256.h
@@ -53,8 +53,10 @@
     unsigned char MBEDTLS_PRIVATE(buffer)[64];   /*!< The data block being processed. */
     uint32_t MBEDTLS_PRIVATE(total)[2];          /*!< The number of Bytes processed.  */
     uint32_t MBEDTLS_PRIVATE(state)[8];          /*!< The intermediate digest state.  */
+#if defined(MBEDTLS_SHA224_C)
     int MBEDTLS_PRIVATE(is224);                  /*!< Determines which function to use:
                                                     0: Use SHA-256, or 1: Use SHA-224. */
+#endif
 }
 mbedtls_sha256_context;
 
diff --git a/include/psa/crypto_platform.h b/include/psa/crypto_platform.h
index ee41c89..8c81ded 100644
--- a/include/psa/crypto_platform.h
+++ b/include/psa/crypto_platform.h
@@ -35,10 +35,10 @@
 #include "mbedtls/private_access.h"
 
 /*
- * Include the build-time configuration information file. Here, we do not
+ * Include the build-time configuration information header. Here, we do not
  * include `"mbedtls/build_info.h"` directly but `"psa/build_info.h"`, which
  * is basically just an alias to it. This is to ease the maintenance of the
- * PSA cryptography repository which has a different build system and
+ * TF-PSA-Crypto repository which has a different build system and
  * configuration.
  */
 #include "psa/build_info.h"
diff --git a/include/psa/crypto_sizes.h b/include/psa/crypto_sizes.h
index 1d5ed6c..31e45fe 100644
--- a/include/psa/crypto_sizes.h
+++ b/include/psa/crypto_sizes.h
@@ -41,10 +41,10 @@
 #define PSA_CRYPTO_SIZES_H
 
 /*
- * Include the build-time configuration information file. Here, we do not
+ * Include the build-time configuration information header. Here, we do not
  * include `"mbedtls/build_info.h"` directly but `"psa/build_info.h"`, which
  * is basically just an alias to it. This is to ease the maintenance of the
- * PSA cryptography repository which has a different build system and
+ * TF-PSA-Crypto repository which has a different build system and
  * configuration.
  */
 #include "psa/build_info.h"
diff --git a/include/psa/crypto_struct.h b/include/psa/crypto_struct.h
index b309bc8..6c46191 100644
--- a/include/psa/crypto_struct.h
+++ b/include/psa/crypto_struct.h
@@ -66,9 +66,14 @@
 extern "C" {
 #endif
 
-/* Include the Mbed TLS configuration file, the way Mbed TLS does it
- * in each of its header files. */
-#include "mbedtls/build_info.h"
+/*
+ * Include the build-time configuration information header. Here, we do not
+ * include `"mbedtls/build_info.h"` directly but `"psa/build_info.h"`, which
+ * is basically just an alias to it. This is to ease the maintenance of the
+ * TF-PSA-Crypto repository which has a different build system and
+ * configuration.
+ */
+#include "psa/build_info.h"
 
 /* Include the context definition for the compiled-in drivers for the primitive
  * algorithms. */
diff --git a/include/psa/crypto_types.h b/include/psa/crypto_types.h
index 445657e..8d894b4 100644
--- a/include/psa/crypto_types.h
+++ b/include/psa/crypto_types.h
@@ -33,8 +33,15 @@
 #ifndef PSA_CRYPTO_TYPES_H
 #define PSA_CRYPTO_TYPES_H
 
-/* Make sure the Mbed TLS configuration is visible. */
-#include "mbedtls/build_info.h"
+/*
+ * Include the build-time configuration information header. Here, we do not
+ * include `"mbedtls/build_info.h"` directly but `"psa/build_info.h"`, which
+ * is basically just an alias to it. This is to ease the maintenance of the
+ * TF-PSA-Crypto repository which has a different build system and
+ * configuration.
+ */
+#include "psa/build_info.h"
+
 /* Define the MBEDTLS_PRIVATE macro. */
 #include "mbedtls/private_access.h"
 
diff --git a/library/aes.c b/library/aes.c
index 9bbe598..b61d089 100644
--- a/library/aes.c
+++ b/library/aes.c
@@ -76,9 +76,7 @@
 /*
  * Forward S-box
  */
-#if !defined(MBEDTLS_AES_ENCRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_ENC_ALT) || \
-    !defined(MBEDTLS_AES_SETKEY_DEC_ALT)
-static const unsigned char FSb[256] =
+MBEDTLS_MAYBE_UNUSED static const unsigned char FSb[256] =
 {
     0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5,
     0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
@@ -113,8 +111,6 @@
     0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68,
     0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16
 };
-#endif /* !defined(MBEDTLS_AES_ENCRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_ENC_ALT) || \
-          !defined(MBEDTLS_AES_SETKEY_DEC_ALT) */
 
 /*
  * Forward tables
@@ -186,36 +182,28 @@
     V(C3, 41, 41, 82), V(B0, 99, 99, 29), V(77, 2D, 2D, 5A), V(11, 0F, 0F, 1E), \
     V(CB, B0, B0, 7B), V(FC, 54, 54, A8), V(D6, BB, BB, 6D), V(3A, 16, 16, 2C)
 
-#if !defined(MBEDTLS_AES_ENCRYPT_ALT)
 #define V(a, b, c, d) 0x##a##b##c##d
-static const uint32_t FT0[256] = { FT };
+MBEDTLS_MAYBE_UNUSED static const uint32_t FT0[256] = { FT };
 #undef V
 
-#if !defined(MBEDTLS_AES_FEWER_TABLES)
-
 #define V(a, b, c, d) 0x##b##c##d##a
-static const uint32_t FT1[256] = { FT };
+MBEDTLS_MAYBE_UNUSED static const uint32_t FT1[256] = { FT };
 #undef V
 
 #define V(a, b, c, d) 0x##c##d##a##b
-static const uint32_t FT2[256] = { FT };
+MBEDTLS_MAYBE_UNUSED static const uint32_t FT2[256] = { FT };
 #undef V
 
 #define V(a, b, c, d) 0x##d##a##b##c
-static const uint32_t FT3[256] = { FT };
+MBEDTLS_MAYBE_UNUSED static const uint32_t FT3[256] = { FT };
 #undef V
 
-#endif /* !MBEDTLS_AES_FEWER_TABLES */
-
-#endif /* !defined(MBEDTLS_AES_ENCRYPT_ALT) */
-
 #undef FT
 
-#if !defined(MBEDTLS_AES_DECRYPT_ALT)
 /*
  * Reverse S-box
  */
-static const unsigned char RSb[256] =
+MBEDTLS_MAYBE_UNUSED static const unsigned char RSb[256] =
 {
     0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38,
     0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB,
@@ -250,7 +238,6 @@
     0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26,
     0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D
 };
-#endif /* defined(MBEDTLS_AES_DECRYPT_ALT)) */
 
 /*
  * Reverse tables
@@ -322,84 +309,60 @@
     V(71, 01, A8, 39), V(DE, B3, 0C, 08), V(9C, E4, B4, D8), V(90, C1, 56, 64), \
     V(61, 84, CB, 7B), V(70, B6, 32, D5), V(74, 5C, 6C, 48), V(42, 57, B8, D0)
 
-#if !defined(MBEDTLS_AES_DECRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_DEC_ALT)
 
 #define V(a, b, c, d) 0x##a##b##c##d
-static const uint32_t RT0[256] = { RT };
+MBEDTLS_MAYBE_UNUSED static const uint32_t RT0[256] = { RT };
 #undef V
 
-#if !defined(MBEDTLS_AES_FEWER_TABLES)
-
 #define V(a, b, c, d) 0x##b##c##d##a
-static const uint32_t RT1[256] = { RT };
+MBEDTLS_MAYBE_UNUSED static const uint32_t RT1[256] = { RT };
 #undef V
 
 #define V(a, b, c, d) 0x##c##d##a##b
-static const uint32_t RT2[256] = { RT };
+MBEDTLS_MAYBE_UNUSED static const uint32_t RT2[256] = { RT };
 #undef V
 
 #define V(a, b, c, d) 0x##d##a##b##c
-static const uint32_t RT3[256] = { RT };
+MBEDTLS_MAYBE_UNUSED static const uint32_t RT3[256] = { RT };
 #undef V
 
-#endif /* !MBEDTLS_AES_FEWER_TABLES */
-
-#endif /* !defined(MBEDTLS_AES_DECRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_DEC_ALT) */
-
 #undef RT
 
-#if !defined(MBEDTLS_AES_SETKEY_ENC_ALT)
 /*
  * Round constants
  */
-static const uint32_t RCON[10] =
+MBEDTLS_MAYBE_UNUSED static const uint32_t round_constants[10] =
 {
     0x00000001, 0x00000002, 0x00000004, 0x00000008,
     0x00000010, 0x00000020, 0x00000040, 0x00000080,
     0x0000001B, 0x00000036
 };
-#endif /* !defined(MBEDTLS_AES_SETKEY_ENC_ALT) */
 
 #else /* MBEDTLS_AES_ROM_TABLES */
 
 /*
  * Forward S-box & tables
  */
-#if !defined(MBEDTLS_AES_ENCRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_ENC_ALT) || \
-    !defined(MBEDTLS_AES_SETKEY_DEC_ALT)
-static unsigned char FSb[256];
-#endif /* !defined(MBEDTLS_AES_ENCRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_ENC_ALT) || \
-          !defined(MBEDTLS_AES_SETKEY_DEC_ALT) */
-#if !defined(MBEDTLS_AES_ENCRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_ENC_ALT)
-static uint32_t FT0[256];
-#if !defined(MBEDTLS_AES_FEWER_TABLES)
-static uint32_t FT1[256];
-static uint32_t FT2[256];
-static uint32_t FT3[256];
-#endif /* !MBEDTLS_AES_FEWER_TABLES */
-#endif /* !defined(MBEDTLS_AES_ENCRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_ENC_ALT) */
+MBEDTLS_MAYBE_UNUSED static unsigned char FSb[256];
+MBEDTLS_MAYBE_UNUSED static uint32_t FT0[256];
+MBEDTLS_MAYBE_UNUSED static uint32_t FT1[256];
+MBEDTLS_MAYBE_UNUSED static uint32_t FT2[256];
+MBEDTLS_MAYBE_UNUSED static uint32_t FT3[256];
 
 /*
  * Reverse S-box & tables
  */
-#if !(defined(MBEDTLS_AES_SETKEY_ENC_ALT) && defined(MBEDTLS_AES_DECRYPT_ALT))
-static unsigned char RSb[256];
-#endif /* !(defined(MBEDTLS_AES_SETKEY_ENC_ALT) && defined(MBEDTLS_AES_DECRYPT_ALT)) */
+MBEDTLS_MAYBE_UNUSED static unsigned char RSb[256];
 
-#if !defined(MBEDTLS_AES_DECRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_DEC_ALT)
-static uint32_t RT0[256];
-#if !defined(MBEDTLS_AES_FEWER_TABLES)
-static uint32_t RT1[256];
-static uint32_t RT2[256];
-static uint32_t RT3[256];
-#endif /* !MBEDTLS_AES_FEWER_TABLES */
-#endif /* !defined(MBEDTLS_AES_DECRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_DEC_ALT) */
+MBEDTLS_MAYBE_UNUSED static uint32_t RT0[256];
+MBEDTLS_MAYBE_UNUSED static uint32_t RT1[256];
+MBEDTLS_MAYBE_UNUSED static uint32_t RT2[256];
+MBEDTLS_MAYBE_UNUSED static uint32_t RT3[256];
 
-#if !defined(MBEDTLS_AES_SETKEY_ENC_ALT)
 /*
  * Round constants
  */
-static uint32_t RCON[10];
+MBEDTLS_MAYBE_UNUSED static uint32_t round_constants[10];
 
 /*
  * Tables generation code
@@ -408,9 +371,9 @@
 #define XTIME(x) (((x) << 1) ^ (((x) & 0x80) ? 0x1B : 0x00))
 #define MUL(x, y) (((x) && (y)) ? pow[(log[(x)]+log[(y)]) % 255] : 0)
 
-static int aes_init_done = 0;
+MBEDTLS_MAYBE_UNUSED static int aes_init_done = 0;
 
-static void aes_gen_tables(void)
+MBEDTLS_MAYBE_UNUSED static void aes_gen_tables(void)
 {
     int i;
     uint8_t x, y, z;
@@ -430,7 +393,7 @@
      * calculate the round constants
      */
     for (i = 0, x = 1; i < 10; i++) {
-        RCON[i] = x;
+        round_constants[i] = x;
         x = XTIME(x);
     }
 
@@ -474,7 +437,8 @@
 
         x = RSb[i];
 
-#if !defined(MBEDTLS_AES_DECRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_DEC_ALT)
+#if !defined(MBEDTLS_AES_DECRYPT_ALT) || \
+        (!defined(MBEDTLS_AES_SETKEY_DEC_ALT) && !defined(MBEDTLS_AES_USE_HARDWARE_ONLY))
         RT0[i] = ((uint32_t) MUL(0x0E, x)) ^
                  ((uint32_t) MUL(0x09, x) <<  8) ^
                  ((uint32_t) MUL(0x0D, x) << 16) ^
@@ -485,12 +449,11 @@
         RT2[i] = ROTL8(RT1[i]);
         RT3[i] = ROTL8(RT2[i]);
 #endif /* !MBEDTLS_AES_FEWER_TABLES */
-#endif /* !defined(MBEDTLS_AES_DECRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_DEC_ALT) */
+#endif \
+        /* !defined(MBEDTLS_AES_DECRYPT_ALT) || (!defined(MBEDTLS_AES_SETKEY_DEC_ALT) && !defined(MBEDTLS_AES_USE_HARDWARE_ONLY)) */
     }
 }
 
-#endif /* !defined(MBEDTLS_AES_SETKEY_ENC_ALT) */
-
 #undef ROTL8
 
 #endif /* MBEDTLS_AES_ROM_TABLES */
@@ -568,9 +531,7 @@
 #define MAY_NEED_TO_ALIGN
 #endif
 
-#if defined(MAY_NEED_TO_ALIGN) || !defined(MBEDTLS_AES_SETKEY_DEC_ALT) || \
-    !defined(MBEDTLS_AES_SETKEY_ENC_ALT)
-static unsigned mbedtls_aes_rk_offset(uint32_t *buf)
+MBEDTLS_MAYBE_UNUSED static unsigned mbedtls_aes_rk_offset(uint32_t *buf)
 {
 #if defined(MAY_NEED_TO_ALIGN)
     int align_16_bytes = 0;
@@ -606,8 +567,6 @@
 
     return 0;
 }
-#endif /* defined(MAY_NEED_TO_ALIGN) || !defined(MBEDTLS_AES_SETKEY_DEC_ALT) || \
-          !defined(MBEDTLS_AES_SETKEY_ENC_ALT) */
 
 /*
  * AES key schedule (encryption)
@@ -658,7 +617,7 @@
         case 10:
 
             for (unsigned int i = 0; i < 10; i++, RK += 4) {
-                RK[4]  = RK[0] ^ RCON[i] ^
+                RK[4]  = RK[0] ^ round_constants[i] ^
                          ((uint32_t) FSb[MBEDTLS_BYTE_1(RK[3])]) ^
                          ((uint32_t) FSb[MBEDTLS_BYTE_2(RK[3])] <<  8) ^
                          ((uint32_t) FSb[MBEDTLS_BYTE_3(RK[3])] << 16) ^
@@ -674,7 +633,7 @@
         case 12:
 
             for (unsigned int i = 0; i < 8; i++, RK += 6) {
-                RK[6]  = RK[0] ^ RCON[i] ^
+                RK[6]  = RK[0] ^ round_constants[i] ^
                          ((uint32_t) FSb[MBEDTLS_BYTE_1(RK[5])]) ^
                          ((uint32_t) FSb[MBEDTLS_BYTE_2(RK[5])] <<  8) ^
                          ((uint32_t) FSb[MBEDTLS_BYTE_3(RK[5])] << 16) ^
@@ -691,7 +650,7 @@
         case 14:
 
             for (unsigned int i = 0; i < 7; i++, RK += 8) {
-                RK[8]  = RK[0] ^ RCON[i] ^
+                RK[8]  = RK[0] ^ round_constants[i] ^
                          ((uint32_t) FSb[MBEDTLS_BYTE_1(RK[7])]) ^
                          ((uint32_t) FSb[MBEDTLS_BYTE_2(RK[7])] <<  8) ^
                          ((uint32_t) FSb[MBEDTLS_BYTE_3(RK[7])] << 16) ^
@@ -1040,7 +999,6 @@
 }
 #endif /* !MBEDTLS_AES_DECRYPT_ALT */
 
-#if defined(MAY_NEED_TO_ALIGN)
 /* VIA Padlock and our intrinsics-based implementation of AESNI require
  * the round keys to be aligned on a 16-byte boundary. We take care of this
  * before creating them, but the AES context may have moved (this can happen
@@ -1048,7 +1006,7 @@
  * calls it might have a different alignment with respect to 16-byte memory.
  * So we may need to realign.
  */
-static void aes_maybe_realign(mbedtls_aes_context *ctx)
+MBEDTLS_MAYBE_UNUSED static void aes_maybe_realign(mbedtls_aes_context *ctx)
 {
     unsigned new_offset = mbedtls_aes_rk_offset(ctx->buf);
     if (new_offset != ctx->rk_offset) {
@@ -1058,7 +1016,6 @@
         ctx->rk_offset = new_offset;
     }
 }
-#endif
 
 /*
  * AES-ECB block encryption/decryption
diff --git a/library/common.h b/library/common.h
index 3c472c6..570b97e 100644
--- a/library/common.h
+++ b/library/common.h
@@ -334,4 +334,25 @@
 #define MBEDTLS_OPTIMIZE_FOR_PERFORMANCE
 #endif
 
+/* Suppress compiler warnings for unused functions and variables. */
+#if !defined(MBEDTLS_MAYBE_UNUSED) && defined(__has_attribute)
+#    if __has_attribute(unused)
+#        define MBEDTLS_MAYBE_UNUSED __attribute__((unused))
+#    endif
+#endif
+#if !defined(MBEDTLS_MAYBE_UNUSED) && defined(__GNUC__)
+#    define MBEDTLS_MAYBE_UNUSED __attribute__((unused))
+#endif
+#if !defined(MBEDTLS_MAYBE_UNUSED) && defined(__IAR_SYSTEMS_ICC__) && defined(__VER__)
+#    if (__VER__ >= 8010000) // IAR 8.1 or later
+#        define MBEDTLS_MAYBE_UNUSED __attribute__((unused))
+#    endif
+#endif
+#if !defined(MBEDTLS_MAYBE_UNUSED) && defined(_MSC_VER)
+#    define MBEDTLS_MAYBE_UNUSED __pragma(warning(suppress:4189))
+#endif
+#if !defined(MBEDTLS_MAYBE_UNUSED)
+#    define MBEDTLS_MAYBE_UNUSED
+#endif
+
 #endif /* MBEDTLS_LIBRARY_COMMON_H */
diff --git a/library/ecp.c b/library/ecp.c
index 5f2a7b0..dfa0957 100644
--- a/library/ecp.c
+++ b/library/ecp.c
@@ -3288,7 +3288,10 @@
         MBEDTLS_MPI_CHK(mbedtls_mpi_read_binary(&key->d, buf, buflen));
     }
 #endif
-    MBEDTLS_MPI_CHK(mbedtls_ecp_check_privkey(&key->grp, &key->d));
+
+    if (ret == 0) {
+        MBEDTLS_MPI_CHK(mbedtls_ecp_check_privkey(&key->grp, &key->d));
+    }
 
 cleanup:
 
diff --git a/library/pkwrite.c b/library/pkwrite.c
index 03db145..e38bc27 100644
--- a/library/pkwrite.c
+++ b/library/pkwrite.c
@@ -756,27 +756,38 @@
 int mbedtls_pk_write_pubkey_pem(const mbedtls_pk_context *key, unsigned char *buf, size_t size)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    unsigned char output_buf[PUB_DER_MAX_BYTES];
+    unsigned char *output_buf = NULL;
+    output_buf = mbedtls_calloc(1, PUB_DER_MAX_BYTES);
+    if (output_buf == NULL) {
+        return MBEDTLS_ERR_PK_ALLOC_FAILED;
+    }
     size_t olen = 0;
 
     if ((ret = mbedtls_pk_write_pubkey_der(key, output_buf,
-                                           sizeof(output_buf))) < 0) {
-        return ret;
+                                           PUB_DER_MAX_BYTES)) < 0) {
+        goto cleanup;
     }
 
     if ((ret = mbedtls_pem_write_buffer(PEM_BEGIN_PUBLIC_KEY, PEM_END_PUBLIC_KEY,
-                                        output_buf + sizeof(output_buf) - ret,
+                                        output_buf + PUB_DER_MAX_BYTES - ret,
                                         ret, buf, size, &olen)) != 0) {
-        return ret;
+        goto cleanup;
     }
 
-    return 0;
+    ret = 0;
+cleanup:
+    mbedtls_free(output_buf);
+    return ret;
 }
 
 int mbedtls_pk_write_key_pem(const mbedtls_pk_context *key, unsigned char *buf, size_t size)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    unsigned char output_buf[PRV_DER_MAX_BYTES];
+    unsigned char *output_buf = NULL;
+    output_buf = mbedtls_calloc(1, PRV_DER_MAX_BYTES);
+    if (output_buf == NULL) {
+        return MBEDTLS_ERR_PK_ALLOC_FAILED;
+    }
     const char *begin, *end;
     size_t olen = 0;
 #if defined(MBEDTLS_PK_HAVE_ECC_KEYS)
@@ -789,8 +800,8 @@
     int is_rsa_opaque = 0;
 #endif
 
-    if ((ret = mbedtls_pk_write_key_der(key, output_buf, sizeof(output_buf))) < 0) {
-        return ret;
+    if ((ret = mbedtls_pk_write_key_der(key, output_buf, PRV_DER_MAX_BYTES)) < 0) {
+        goto cleanup;
     }
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
@@ -833,15 +844,21 @@
         }
     } else
 #endif /* MBEDTLS_PK_HAVE_ECC_KEYS */
-    return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
-
-    if ((ret = mbedtls_pem_write_buffer(begin, end,
-                                        output_buf + sizeof(output_buf) - ret,
-                                        ret, buf, size, &olen)) != 0) {
-        return ret;
+    {
+        ret = MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
+        goto cleanup;
     }
 
-    return 0;
+    if ((ret = mbedtls_pem_write_buffer(begin, end,
+                                        output_buf + PRV_DER_MAX_BYTES - ret,
+                                        ret, buf, size, &olen)) != 0) {
+        goto cleanup;
+    }
+
+    ret = 0;
+cleanup:
+    mbedtls_zeroize_and_free(output_buf, PRV_DER_MAX_BYTES);
+    return ret;
 }
 #endif /* MBEDTLS_PEM_WRITE_C */
 
diff --git a/library/psa_crypto_core.h b/library/psa_crypto_core.h
index 575f302..29b3b94 100644
--- a/library/psa_crypto_core.h
+++ b/library/psa_crypto_core.h
@@ -21,7 +21,14 @@
 #ifndef PSA_CRYPTO_CORE_H
 #define PSA_CRYPTO_CORE_H
 
-#include "mbedtls/build_info.h"
+/*
+ * Include the build-time configuration information header. Here, we do not
+ * include `"mbedtls/build_info.h"` directly but `"psa/build_info.h"`, which
+ * is basically just an alias to it. This is to ease the maintenance of the
+ * TF-PSA-Crypto repository which has a different build system and
+ * configuration.
+ */
+#include "psa/build_info.h"
 
 #include "psa/crypto.h"
 #include "psa/crypto_se_driver.h"
diff --git a/library/psa_crypto_invasive.h b/library/psa_crypto_invasive.h
index a900dd8..408c39b 100644
--- a/library/psa_crypto_invasive.h
+++ b/library/psa_crypto_invasive.h
@@ -28,7 +28,14 @@
 #ifndef PSA_CRYPTO_INVASIVE_H
 #define PSA_CRYPTO_INVASIVE_H
 
-#include "mbedtls/build_info.h"
+/*
+ * Include the build-time configuration information header. Here, we do not
+ * include `"mbedtls/build_info.h"` directly but `"psa/build_info.h"`, which
+ * is basically just an alias to it. This is to ease the maintenance of the
+ * TF-PSA-Crypto repository which has a different build system and
+ * configuration.
+ */
+#include "psa/build_info.h"
 
 #include "psa/crypto.h"
 #include "common.h"
diff --git a/library/psa_crypto_se.h b/library/psa_crypto_se.h
index a1e5e09..850ea8f 100644
--- a/library/psa_crypto_se.h
+++ b/library/psa_crypto_se.h
@@ -21,7 +21,14 @@
 #ifndef PSA_CRYPTO_SE_H
 #define PSA_CRYPTO_SE_H
 
-#include "mbedtls/build_info.h"
+/*
+ * Include the build-time configuration information header. Here, we do not
+ * include `"mbedtls/build_info.h"` directly but `"psa/build_info.h"`, which
+ * is basically just an alias to it. This is to ease the maintenance of the
+ * TF-PSA-Crypto repository which has a different build system and
+ * configuration.
+ */
+#include "psa/build_info.h"
 
 #include "psa/crypto.h"
 #include "psa/crypto_se_driver.h"
diff --git a/library/ssl_tls13_keys.c b/library/ssl_tls13_keys.c
index 6905d92..5ae6210 100644
--- a/library/ssl_tls13_keys.c
+++ b/library/ssl_tls13_keys.c
@@ -1019,14 +1019,14 @@
 
 #if !defined(MBEDTLS_USE_PSA_CRYPTO)
     if ((ret = mbedtls_cipher_setkey(&transform->cipher_ctx_enc,
-                                     key_enc, mbedtls_cipher_info_get_key_bitlen(cipher_info),
+                                     key_enc, (int) mbedtls_cipher_info_get_key_bitlen(cipher_info),
                                      MBEDTLS_ENCRYPT)) != 0) {
         MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_cipher_setkey", ret);
         return ret;
     }
 
     if ((ret = mbedtls_cipher_setkey(&transform->cipher_ctx_dec,
-                                     key_dec, mbedtls_cipher_info_get_key_bitlen(cipher_info),
+                                     key_dec, (int) mbedtls_cipher_info_get_key_bitlen(cipher_info),
                                      MBEDTLS_DECRYPT)) != 0) {
         MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_cipher_setkey", ret);
         return ret;
diff --git a/programs/Makefile b/programs/Makefile
index 80637e9..116883b 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -109,6 +109,7 @@
 	psa/hmac_demo \
 	psa/key_ladder_demo \
 	psa/psa_constant_names \
+	psa/psa_hash \
 	random/gen_entropy \
 	random/gen_random_ctr_drbg \
 	ssl/dtls_client \
@@ -324,6 +325,10 @@
 	echo "  CC    psa/psa_constant_names.c"
 	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) psa/psa_constant_names.c    $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
 
+psa/psa_hash$(EXEXT): psa/psa_hash.c $(DEP)
+	echo "  CC    psa/psa_hash.c"
+	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) psa/psa_hash.c    $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
+
 random/gen_entropy$(EXEXT): random/gen_entropy.c $(DEP)
 	echo "  CC    random/gen_entropy.c"
 	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) random/gen_entropy.c $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
diff --git a/programs/psa/CMakeLists.txt b/programs/psa/CMakeLists.txt
index 7ba4af6..c8ee626 100644
--- a/programs/psa/CMakeLists.txt
+++ b/programs/psa/CMakeLists.txt
@@ -4,6 +4,7 @@
     hmac_demo
     key_ladder_demo
     psa_constant_names
+    psa_hash
 )
 
 if(GEN_FILES)
diff --git a/programs/psa/psa_hash.c b/programs/psa/psa_hash.c
new file mode 100644
index 0000000..d3a6bf8
--- /dev/null
+++ b/programs/psa/psa_hash.c
@@ -0,0 +1,171 @@
+/*
+ *  Example computing a SHA-256 hash using the PSA Crypto API
+ *
+ *  The example computes the SHA-256 hash of a test string using the
+ *  one-shot API call psa_hash_compute() and the using multi-part
+ *  operation, which requires psa_hash_setup(), psa_hash_update() and
+ *  psa_hash_finish(). The multi-part operation is popular on embedded
+ *  devices where a rolling hash needs to be computed.
+ *
+ *
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#include "psa/crypto.h"
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "mbedtls/build_info.h"
+#include "mbedtls/platform.h"
+
+/* Information about hashing with the PSA API can be
+ * found here:
+ * https://arm-software.github.io/psa-api/crypto/1.1/api/ops/hashes.html
+ *
+ * The algorithm used by this demo is SHA 256.
+ * Please see include/psa/crypto_values.h to see the other
+ * algorithms that are supported by Mbed TLS.
+ * If you switch to a different algorithm you will need to update
+ * the hash data in the EXAMPLE_HASH_VALUE macro below. */
+
+#if !defined(MBEDTLS_PSA_CRYPTO_C) || !defined(PSA_WANT_ALG_SHA_256)
+int main(void)
+{
+    mbedtls_printf("MBEDTLS_PSA_CRYPTO_C and PSA_WANT_ALG_SHA_256"
+                   "not defined.\r\n");
+    return EXIT_SUCCESS;
+}
+#else
+
+#define HASH_ALG PSA_ALG_SHA_256
+
+const uint8_t sample_message[] = "Hello World!";
+/* sample_message is terminated with a null byte which is not part of
+ * the message itself so we make sure to subtract it in order to get
+ * the message length. */
+const size_t sample_message_length = sizeof(sample_message) - 1;
+
+#define EXPECTED_HASH_VALUE {                                                    \
+        0x7f, 0x83, 0xb1, 0x65, 0x7f, 0xf1, 0xfc, 0x53, 0xb9, 0x2d, 0xc1, 0x81, \
+        0x48, 0xa1, 0xd6, 0x5d, 0xfc, 0x2d, 0x4b, 0x1f, 0xa3, 0xd6, 0x77, 0x28, \
+        0x4a, 0xdd, 0xd2, 0x00, 0x12, 0x6d, 0x90, 0x69 \
+}
+
+const uint8_t expected_hash[] = EXPECTED_HASH_VALUE;
+const size_t expected_hash_len = sizeof(expected_hash);
+
+int main(void)
+{
+    psa_status_t status;
+    uint8_t hash[PSA_HASH_LENGTH(HASH_ALG)];
+    size_t hash_length;
+    psa_hash_operation_t hash_operation = PSA_HASH_OPERATION_INIT;
+    psa_hash_operation_t cloned_hash_operation = PSA_HASH_OPERATION_INIT;
+
+    mbedtls_printf("PSA Crypto API: SHA-256 example\n\n");
+
+    status = psa_crypto_init();
+    if (status != PSA_SUCCESS) {
+        mbedtls_printf("psa_crypto_init failed\n");
+        return EXIT_FAILURE;
+    }
+
+    /* Compute hash using multi-part operation */
+    status = psa_hash_setup(&hash_operation, HASH_ALG);
+    if (status == PSA_ERROR_NOT_SUPPORTED) {
+        mbedtls_printf("unknown hash algorithm supplied\n");
+        return EXIT_FAILURE;
+    } else if (status != PSA_SUCCESS) {
+        mbedtls_printf("psa_hash_setup failed\n");
+        return EXIT_FAILURE;
+    }
+
+    status = psa_hash_update(&hash_operation, sample_message, sample_message_length);
+    if (status != PSA_SUCCESS) {
+        mbedtls_printf("psa_hash_update failed\n");
+        goto cleanup;
+    }
+
+    status = psa_hash_clone(&hash_operation, &cloned_hash_operation);
+    if (status != PSA_SUCCESS) {
+        mbedtls_printf("PSA hash clone failed\n");
+        goto cleanup;
+    }
+
+    status = psa_hash_finish(&hash_operation, hash, sizeof(hash), &hash_length);
+    if (status != PSA_SUCCESS) {
+        mbedtls_printf("psa_hash_finish failed\n");
+        goto cleanup;
+    }
+
+    /* Check the result of the operation against the sample */
+    if (hash_length != expected_hash_len ||
+        (memcmp(hash, expected_hash, expected_hash_len) != 0)) {
+        mbedtls_printf("Multi-part hash operation gave the wrong result!\n\n");
+        goto cleanup;
+    }
+
+    status =
+        psa_hash_verify(&cloned_hash_operation, expected_hash,
+                        expected_hash_len);
+    if (status != PSA_SUCCESS) {
+        mbedtls_printf("psa_hash_verify failed\n");
+        goto cleanup;
+    } else {
+        mbedtls_printf("Multi-part hash operation successful!\n");
+    }
+
+    /* Clear local variables prior to one-shot hash demo */
+    memset(hash, 0, sizeof(hash));
+    hash_length = 0;
+
+    /* Compute hash using one-shot function call */
+    status = psa_hash_compute(HASH_ALG,
+                              sample_message, sample_message_length,
+                              hash, sizeof(hash),
+                              &hash_length);
+    if (status != PSA_SUCCESS) {
+        mbedtls_printf("psa_hash_compute failed\n");
+        goto cleanup;
+    }
+
+    if (hash_length != expected_hash_len ||
+        (memcmp(hash, expected_hash, expected_hash_len) != 0)) {
+        mbedtls_printf("One-shot hash operation gave the wrong result!\n\n");
+        goto cleanup;
+    }
+
+    mbedtls_printf("One-shot hash operation successful!\n\n");
+
+    /* Print out result */
+    mbedtls_printf("The SHA-256( '%s' ) is: ", sample_message);
+
+    for (size_t j = 0; j < expected_hash_len; j++) {
+        mbedtls_printf("%02x", hash[j]);
+    }
+
+    mbedtls_printf("\n");
+
+    mbedtls_psa_crypto_free();
+    return EXIT_SUCCESS;
+
+cleanup:
+    psa_hash_abort(&hash_operation);
+    psa_hash_abort(&cloned_hash_operation);
+    return EXIT_FAILURE;
+}
+#endif /* !MBEDTLS_PSA_CRYPTO_C || !PSA_WANT_ALG_SHA_256 */
diff --git a/programs/test/benchmark.c b/programs/test/benchmark.c
index ecc4e94..d8237f5 100644
--- a/programs/test/benchmark.c
+++ b/programs/test/benchmark.c
@@ -113,13 +113,13 @@
 #define HEADER_FORMAT   "  %-24s :  "
 #define TITLE_LEN       25
 
-#define OPTIONS                                                         \
-    "md5, ripemd160, sha1, sha256, sha512,\n"                           \
-    "sha3_224, sha3_256, sha3_384, sha3_512,\n"                         \
-    "des3, des, camellia, chacha20,\n"                                  \
-    "aes_cbc, aes_gcm, aes_ccm, aes_xts, chachapoly,\n"                 \
-    "aes_cmac, des3_cmac, poly1305\n"                                   \
-    "ctr_drbg, hmac_drbg\n"                                             \
+#define OPTIONS                                                              \
+    "md5, ripemd160, sha1, sha256, sha512,\n"                                \
+    "sha3_224, sha3_256, sha3_384, sha3_512,\n"                              \
+    "des3, des, camellia, chacha20,\n"                                       \
+    "aes_cbc, aes_cfb128, aes_cfb8, aes_gcm, aes_ccm, aes_xts, chachapoly\n" \
+    "aes_cmac, des3_cmac, poly1305\n"                                        \
+    "ctr_drbg, hmac_drbg\n"                                                  \
     "rsa, dhm, ecdsa, ecdh.\n"
 
 #if defined(MBEDTLS_ERROR_C)
@@ -510,7 +510,7 @@
     char md5, ripemd160, sha1, sha256, sha512,
          sha3_224, sha3_256, sha3_384, sha3_512,
          des3, des,
-         aes_cbc, aes_gcm, aes_ccm, aes_xts, chachapoly,
+         aes_cbc, aes_cfb128, aes_cfb8, aes_gcm, aes_ccm, aes_xts, chachapoly,
          aes_cmac, des3_cmac,
          aria, camellia, chacha20,
          poly1305,
@@ -570,6 +570,10 @@
                 todo.des = 1;
             } else if (strcmp(argv[i], "aes_cbc") == 0) {
                 todo.aes_cbc = 1;
+            } else if (strcmp(argv[i], "aes_cfb128") == 0) {
+                todo.aes_cfb128 = 1;
+            } else if (strcmp(argv[i], "aes_cfb8") == 0) {
+                todo.aes_cfb8 = 1;
             } else if (strcmp(argv[i], "aes_xts") == 0) {
                 todo.aes_xts = 1;
             } else if (strcmp(argv[i], "aes_gcm") == 0) {
@@ -675,6 +679,7 @@
 #if defined(MBEDTLS_CIPHER_MODE_CBC)
     if (todo.des3) {
         mbedtls_des3_context des3;
+
         mbedtls_des3_init(&des3);
         if (mbedtls_des3_set3key_enc(&des3, tmp) != 0) {
             mbedtls_exit(1);
@@ -686,6 +691,7 @@
 
     if (todo.des) {
         mbedtls_des_context des;
+
         mbedtls_des_init(&des);
         if (mbedtls_des_setkey_enc(&des, tmp) != 0) {
             mbedtls_exit(1);
@@ -718,6 +724,7 @@
     if (todo.aes_cbc) {
         int keysize;
         mbedtls_aes_context aes;
+
         mbedtls_aes_init(&aes);
         for (keysize = 128; keysize <= 256; keysize += 64) {
             mbedtls_snprintf(title, sizeof(title), "AES-CBC-%d", keysize);
@@ -732,6 +739,44 @@
         mbedtls_aes_free(&aes);
     }
 #endif
+#if defined(MBEDTLS_CIPHER_MODE_CFB)
+    if (todo.aes_cfb128) {
+        int keysize;
+        size_t iv_off = 0;
+        mbedtls_aes_context aes;
+
+        mbedtls_aes_init(&aes);
+        for (keysize = 128; keysize <= 256; keysize += 64) {
+            mbedtls_snprintf(title, sizeof(title), "AES-CFB128-%d", keysize);
+
+            memset(buf, 0, sizeof(buf));
+            memset(tmp, 0, sizeof(tmp));
+            CHECK_AND_CONTINUE(mbedtls_aes_setkey_enc(&aes, tmp, keysize));
+
+            TIME_AND_TSC(title,
+                         mbedtls_aes_crypt_cfb128(&aes, MBEDTLS_AES_ENCRYPT, BUFSIZE,
+                                                  &iv_off, tmp, buf, buf));
+        }
+        mbedtls_aes_free(&aes);
+    }
+    if (todo.aes_cfb8) {
+        int keysize;
+        mbedtls_aes_context aes;
+
+        mbedtls_aes_init(&aes);
+        for (keysize = 128; keysize <= 256; keysize += 64) {
+            mbedtls_snprintf(title, sizeof(title), "AES-CFB8-%d", keysize);
+
+            memset(buf, 0, sizeof(buf));
+            memset(tmp, 0, sizeof(tmp));
+            CHECK_AND_CONTINUE(mbedtls_aes_setkey_enc(&aes, tmp, keysize));
+
+            TIME_AND_TSC(title,
+                         mbedtls_aes_crypt_cfb8(&aes, MBEDTLS_AES_ENCRYPT, BUFSIZE, tmp, buf, buf));
+        }
+        mbedtls_aes_free(&aes);
+    }
+#endif
 #if defined(MBEDTLS_CIPHER_MODE_XTS)
     if (todo.aes_xts) {
         int keysize;
@@ -849,6 +894,7 @@
     if (todo.aria) {
         int keysize;
         mbedtls_aria_context aria;
+
         mbedtls_aria_init(&aria);
         for (keysize = 128; keysize <= 256; keysize += 64) {
             mbedtls_snprintf(title, sizeof(title), "ARIA-CBC-%d", keysize);
@@ -869,6 +915,7 @@
     if (todo.camellia) {
         int keysize;
         mbedtls_camellia_context camellia;
+
         mbedtls_camellia_init(&camellia);
         for (keysize = 128; keysize <= 256; keysize += 64) {
             mbedtls_snprintf(title, sizeof(title), "CAMELLIA-CBC-%d", keysize);
@@ -975,6 +1022,7 @@
     if (todo.rsa) {
         int keysize;
         mbedtls_rsa_context rsa;
+
         for (keysize = 2048; keysize <= 4096; keysize *= 2) {
             mbedtls_snprintf(title, sizeof(title), "RSA-%d", keysize);
 
@@ -1017,6 +1065,7 @@
         mbedtls_dhm_context dhm;
         size_t olen;
         size_t n;
+
         for (i = 0; (size_t) i < sizeof(dhm_sizes) / sizeof(dhm_sizes[0]); i++) {
             mbedtls_dhm_init(&dhm);
 
@@ -1130,6 +1179,7 @@
 
         if (curve_list == (const mbedtls_ecp_curve_info *) &single_curve) {
             mbedtls_ecp_group grp;
+
             mbedtls_ecp_group_init(&grp);
             if (mbedtls_ecp_group_load(&grp, curve_list->grp_id) != 0) {
                 mbedtls_exit(1);
diff --git a/scripts/mbedtls_dev/build_tree.py b/scripts/mbedtls_dev/build_tree.py
index b48a277..2e10c88 100644
--- a/scripts/mbedtls_dev/build_tree.py
+++ b/scripts/mbedtls_dev/build_tree.py
@@ -19,7 +19,7 @@
 import os
 import inspect
 
-def looks_like_psa_crypto_root(path: str) -> bool:
+def looks_like_tf_psa_crypto_root(path: str) -> bool:
     """Whether the given directory looks like the root of the PSA Crypto source tree."""
     return all(os.path.isdir(os.path.join(path, subdir))
                for subdir in ['include', 'core', 'drivers', 'programs', 'tests'])
@@ -30,7 +30,7 @@
                for subdir in ['include', 'library', 'programs', 'tests'])
 
 def looks_like_root(path: str) -> bool:
-    return looks_like_psa_crypto_root(path) or looks_like_mbedtls_root(path)
+    return looks_like_tf_psa_crypto_root(path) or looks_like_mbedtls_root(path)
 
 def check_repo_path():
     """
diff --git a/scripts/mbedtls_dev/psa_storage.py b/scripts/mbedtls_dev/psa_storage.py
index a2e4c74..737760f 100644
--- a/scripts/mbedtls_dev/psa_storage.py
+++ b/scripts/mbedtls_dev/psa_storage.py
@@ -53,7 +53,7 @@
         """Update `value_cache` for expressions registered in `unknown_values`."""
         expressions = sorted(self.unknown_values)
         includes = ['include']
-        if build_tree.looks_like_psa_crypto_root('.'):
+        if build_tree.looks_like_tf_psa_crypto_root('.'):
             includes.append('drivers/builtin/include')
         values = c_build_helper.get_c_expression_values(
             'unsigned long', '%lu',
diff --git a/scripts/output_env.sh b/scripts/output_env.sh
index 5356132..302f3fd 100755
--- a/scripts/output_env.sh
+++ b/scripts/output_env.sh
@@ -170,13 +170,6 @@
 print_version "$OPENSSL" "version" "default"
 echo
 
-if [ -n "${OPENSSL_LEGACY+set}" ]; then
-    print_version "$OPENSSL_LEGACY" "version" "legacy"
-else
-    echo " * openssl (legacy): Not configured."
-fi
-echo
-
 if [ -n "${OPENSSL_NEXT+set}" ]; then
     print_version "$OPENSSL_NEXT" "version" "next"
 else
@@ -192,20 +185,6 @@
 print_version "$GNUTLS_SERV" "--version" "default" "head -n 1"
 echo
 
-if [ -n "${GNUTLS_LEGACY_CLI+set}" ]; then
-    print_version "$GNUTLS_LEGACY_CLI" "--version" "legacy" "head -n 1"
-else
-     echo " * gnutls-cli (legacy): Not configured."
-fi
-echo
-
-if [ -n "${GNUTLS_LEGACY_SERV+set}" ]; then
-    print_version "$GNUTLS_LEGACY_SERV" "--version" "legacy" "head -n 1"
-else
-    echo " * gnutls-serv (legacy): Not configured."
-fi
-echo
-
 echo " * Installed asan versions:"
 if type dpkg-query >/dev/null 2>/dev/null; then
     if ! dpkg-query -f '${Status} ${Package}: ${Version}\n' -W 'libasan*' |
diff --git a/tests/compat.sh b/tests/compat.sh
index 252736b..6506e6c 100755
--- a/tests/compat.sh
+++ b/tests/compat.sh
@@ -108,6 +108,7 @@
 EXCLUDE='NULL\|ARIA\|CHACHA20_POLY1305'
 VERBOSE=""
 MEMCHECK=0
+PRESERVE_LOGS=0
 PEERS="OpenSSL$PEER_GNUTLS mbedTLS"
 
 # hidden option: skip DTLS with OpenSSL
@@ -129,6 +130,7 @@
     printf "     --list-test-case\tList all potential test cases (No Execution)\n"
     printf "     --outcome-file\tFile where test outcomes are written\n"
     printf "                   \t(default: \$MBEDTLS_TEST_OUTCOME_FILE, none if empty)\n"
+    printf "     --preserve-logs\tPreserve logs of successful tests as well\n"
 }
 
 # print_test_case <CLIENT> <SERVER> <STANDARD_CIPHER_SUITE>
@@ -197,6 +199,9 @@
             --outcome-file)
                 shift; MBEDTLS_TEST_OUTCOME_FILE=$1
                 ;;
+            --preserve-logs)
+                PRESERVE_LOGS=1
+                ;;
             -h|--help)
                 print_usage
                 exit 0
@@ -629,7 +634,7 @@
     fi
 
     M_SERVER_ARGS="server_port=$PORT server_addr=0.0.0.0 force_version=$MODE"
-    O_SERVER_ARGS="-accept $PORT -cipher NULL,ALL -$O_MODE"
+    O_SERVER_ARGS="-accept $PORT -cipher ALL,COMPLEMENTOFALL -$O_MODE"
     G_SERVER_ARGS="-p $PORT --http $G_MODE"
     G_SERVER_PRIO="NORMAL:${G_PRIO_CCM}+NULL:+MD5:+PSK:+DHE-PSK:+ECDHE-PSK:+SHA256:+SHA384:+RSA-PSK:-VERS-TLS-ALL:$G_PRIO_MODE"
 
@@ -887,12 +892,16 @@
     fi
 }
 
+save_logs() {
+    cp $SRV_OUT c-srv-${TESTS}.log
+    cp $CLI_OUT c-cli-${TESTS}.log
+}
+
 # display additional information if test case fails
 report_fail() {
     FAIL_PROMPT="outputs saved to c-srv-${TESTS}.log, c-cli-${TESTS}.log"
     record_outcome "FAIL" "$FAIL_PROMPT"
-    cp $SRV_OUT c-srv-${TESTS}.log
-    cp $CLI_OUT c-cli-${TESTS}.log
+    save_logs
     echo "  ! $FAIL_PROMPT"
 
     if [ "${LOG_FAILURE_ON_STDOUT:-0}" != 0 ]; then
@@ -1010,6 +1019,9 @@
     case $RESULT in
         "0")
             record_outcome "PASS"
+            if [ "$PRESERVE_LOGS" -gt 0 ]; then
+                save_logs
+            fi
             ;;
         "1")
             record_outcome "SKIP"
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 564e2e4..fdcf7b4 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -50,10 +50,13 @@
 #   * G++
 #   * arm-gcc and mingw-gcc
 #   * ArmCC 5 and ArmCC 6, unless invoked with --no-armcc
-#   * OpenSSL and GnuTLS command line tools, recent enough for the
-#     interoperability tests. If they don't support old features which we want
-#     to test, then a legacy version of these tools must be present as well
-#     (search for LEGACY below).
+#   * OpenSSL and GnuTLS command line tools, in suitable versions for the
+#     interoperability tests. The following are the official versions at the
+#     time of writing:
+#     * GNUTLS_{CLI,SERV} = 3.4.10
+#     * GNUTLS_NEXT_{CLI,SERV} = 3.7.2
+#     * OPENSSL = 1.0.2g (without Debian/Ubuntu patches)
+#     * OPENSSL_NEXT = 1.1.1a
 # See the invocation of check_tools below for details.
 #
 # This script must be invoked from the toplevel directory of a git
@@ -127,13 +130,13 @@
     test -d include -a -d library -a -d programs -a -d tests
 }
 
-in_psa_crypto_repo () {
+in_tf_psa_crypto_repo () {
     test -d include -a -d core -a -d drivers -a -d programs -a -d tests
 }
 
 pre_check_environment () {
-    if in_mbedtls_repo || in_psa_crypto_repo; then :; else
-        echo "Must be run from Mbed TLS / psa-crypto root" >&2
+    if in_mbedtls_repo || in_tf_psa_crypto_repo; then :; else
+        echo "Must be run from Mbed TLS / TF-PSA-Crypto root" >&2
         exit 1
     fi
 }
@@ -179,12 +182,9 @@
 
     # Default commands, can be overridden by the environment
     : ${OPENSSL:="openssl"}
-    : ${OPENSSL_LEGACY:="$OPENSSL"}
     : ${OPENSSL_NEXT:="$OPENSSL"}
     : ${GNUTLS_CLI:="gnutls-cli"}
     : ${GNUTLS_SERV:="gnutls-serv"}
-    : ${GNUTLS_LEGACY_CLI:="$GNUTLS_CLI"}
-    : ${GNUTLS_LEGACY_SERV:="$GNUTLS_SERV"}
     : ${OUT_OF_SOURCE_DIR:=./mbedtls_out_of_source_build}
     : ${ARMC5_BIN_DIR:=/usr/bin}
     : ${ARMC6_BIN_DIR:=/usr/bin}
@@ -300,10 +300,7 @@
      --gcc-latest=<GCC_latest_path>             Latest version of GCC available
      --gnutls-cli=<GnuTLS_cli_path>             GnuTLS client executable to use for most tests.
      --gnutls-serv=<GnuTLS_serv_path>           GnuTLS server executable to use for most tests.
-     --gnutls-legacy-cli=<GnuTLS_cli_path>      GnuTLS client executable to use for legacy tests.
-     --gnutls-legacy-serv=<GnuTLS_serv_path>    GnuTLS server executable to use for legacy tests.
      --openssl=<OpenSSL_path>                   OpenSSL executable to use for most tests.
-     --openssl-legacy=<OpenSSL_path>            OpenSSL executable to use for legacy tests..
      --openssl-next=<OpenSSL_path>              OpenSSL executable to use for recent things like ARIA
 EOF
 }
@@ -474,8 +471,8 @@
             --gcc-earliest) shift; GCC_EARLIEST="$1";;
             --gcc-latest) shift; GCC_LATEST="$1";;
             --gnutls-cli) shift; GNUTLS_CLI="$1";;
-            --gnutls-legacy-cli) shift; GNUTLS_LEGACY_CLI="$1";;
-            --gnutls-legacy-serv) shift; GNUTLS_LEGACY_SERV="$1";;
+            --gnutls-legacy-cli) shift;; # ignored for backward compatibility
+            --gnutls-legacy-serv) shift;; # ignored for backward compatibility
             --gnutls-serv) shift; GNUTLS_SERV="$1";;
             --help|-h) usage; exit;;
             --keep-going|-k) KEEP_GOING=1;;
@@ -489,7 +486,6 @@
             --no-memory) MEMORY=0;;
             --no-quiet) QUIET=0;;
             --openssl) shift; OPENSSL="$1";;
-            --openssl-legacy) shift; OPENSSL_LEGACY="$1";;
             --openssl-next) shift; OPENSSL_NEXT="$1";;
             --outcome-file) shift; MBEDTLS_TEST_OUTCOME_FILE="$1";;
             --out-of-source-dir) shift; OUT_OF_SOURCE_DIR="$1";;
@@ -744,12 +740,9 @@
     echo "SEED: ${SEED-"UNSET"}"
     echo
     echo "OPENSSL: $OPENSSL"
-    echo "OPENSSL_LEGACY: $OPENSSL_LEGACY"
     echo "OPENSSL_NEXT: $OPENSSL_NEXT"
     echo "GNUTLS_CLI: $GNUTLS_CLI"
     echo "GNUTLS_SERV: $GNUTLS_SERV"
-    echo "GNUTLS_LEGACY_CLI: $GNUTLS_LEGACY_CLI"
-    echo "GNUTLS_LEGACY_SERV: $GNUTLS_LEGACY_SERV"
     echo "ARMC5_BIN_DIR: $ARMC5_BIN_DIR"
     echo "ARMC6_BIN_DIR: $ARMC6_BIN_DIR"
 }
@@ -773,13 +766,10 @@
             if [ -n "${SEED-}" ]; then
                 export SEED
             fi
-            set "$@" OPENSSL="$OPENSSL" OPENSSL_LEGACY="$OPENSSL_LEGACY"
+            set "$@" OPENSSL="$OPENSSL"
             set "$@" GNUTLS_CLI="$GNUTLS_CLI" GNUTLS_SERV="$GNUTLS_SERV"
-            set "$@" GNUTLS_LEGACY_CLI="$GNUTLS_LEGACY_CLI"
-            set "$@" GNUTLS_LEGACY_SERV="$GNUTLS_LEGACY_SERV"
-            check_tools "$OPENSSL" "$OPENSSL_LEGACY" "$OPENSSL_NEXT" \
-                        "$GNUTLS_CLI" "$GNUTLS_SERV" \
-                        "$GNUTLS_LEGACY_CLI" "$GNUTLS_LEGACY_SERV"
+            check_tools "$OPENSSL" "$OPENSSL_NEXT" \
+                        "$GNUTLS_CLI" "$GNUTLS_SERV"
             ;;
     esac
 
@@ -1879,7 +1869,7 @@
     tests/ssl-opt.sh -f 'Default\|ECJPAKE\|SSL async private'
 
     msg "test: compat.sh NULL (full config)" # ~ 2 min
-    env OPENSSL="$OPENSSL_LEGACY" GNUTLS_CLI="$GNUTLS_LEGACY_CLI" GNUTLS_SERV="$GNUTLS_LEGACY_SERV" tests/compat.sh -e '^$' -f 'NULL'
+    tests/compat.sh -e '^$' -f 'NULL'
 
     msg "test: compat.sh ARIA + ChachaPoly"
     env OPENSSL="$OPENSSL_NEXT" tests/compat.sh -e '^$' -f 'ARIA\|CHACHA'
@@ -2286,7 +2276,7 @@
     tests/compat.sh
 
     msg "test: compat.sh NULL (full minus MBEDTLS_USE_PSA_CRYPTO)"
-    env OPENSSL="$OPENSSL_LEGACY" GNUTLS_CLI="$GNUTLS_LEGACY_CLI" GNUTLS_SERV="$GNUTLS_LEGACY_SERV" tests/compat.sh -f 'NULL'
+    tests/compat.sh -f 'NULL'
 
     msg "test: compat.sh ARIA + ChachaPoly (full minus MBEDTLS_USE_PSA_CRYPTO)"
     env OPENSSL="$OPENSSL_NEXT" tests/compat.sh -e '^$' -f 'ARIA\|CHACHA'
@@ -3917,45 +3907,107 @@
     make lib CC="gcc" CFLAGS="-Os -std=c99 -Werror -Wall -Wextra -Wwrite-strings -Wpointer-arith -Wshadow -Wvla -Wformat=2 -Wno-format-nonliteral -Wshadow -Wformat-signedness -Wlogical-op -I../tests/include/spe"
 }
 
-component_build_aes_variations() { # ~45s
+# Test that the given .o file builds with all (valid) combinations of the given options.
+#
+# Syntax: build_test_config_combos FILE VALIDATOR_FUNCTION OPT1 OPT2 ...
+#
+# The validator function is the name of a function to validate the combination of options.
+# It may be "" if all combinations are valid.
+# It receives a string containing a combination of options, as passed to the compiler,
+# e.g. "-DOPT1 -DOPT2 ...". It must return 0 iff the combination is valid, non-zero if invalid.
+build_test_config_combos() {
+    file=$1
+    shift
+    validate_options=$1
+    shift
+    options=("$@")
+
+    # clear all of the options so that they can be overridden on the clang commandline
+    for opt in "${options[@]}"; do
+        ./scripts/config.py unset ${opt}
+    done
+
+    # enter the directory containing the target file & strip the dir from the filename
+    cd $(dirname ${file})
+    file=$(basename ${file})
+
+    # The most common issue is unused variables/functions, so ensure -Wunused is set.
+    warning_flags="-Werror -Wall -Wextra -Wwrite-strings -Wpointer-arith -Wimplicit-fallthrough -Wshadow -Wvla -Wformat=2 -Wno-format-nonliteral -Wshadow -Wasm-operand-widths -Wunused"
+
+    # Extract the command generated by the Makefile to build the target file.
+    # This ensures that we have any include paths, macro definitions, etc
+    # that may be applied by make.
+    # Add -fsyntax-only as we only want a syntax check and don't need to generate a file.
+    compile_cmd="clang \$(LOCAL_CFLAGS) ${warning_flags} -fsyntax-only -c"
+
+    makefile=$(TMPDIR=. mktemp)
+    deps=""
+
+    len=${#options[@]}
+    source_file=${file%.o}.c
+
+    targets=0
+    echo 'include Makefile' >${makefile}
+
+    for ((i = 0; i < $((2**${len})); i++)); do
+        # generate each of 2^n combinations of options
+        # each bit of $i is used to determine if options[i] will be set or not
+        target="t"
+        clang_args=""
+        for ((j = 0; j < ${len}; j++)); do
+            if (((i >> j) & 1)); then
+                opt=-D${options[$j]}
+                clang_args="${clang_args} ${opt}"
+                target="${target}${opt}"
+            fi
+        done
+
+        # if combination is not known to be invalid, add it to the makefile
+        if [[ -z $validate_options ]] || $validate_options "${clang_args}"; then
+            cmd="${compile_cmd} ${clang_args}"
+            echo "${target}: ${source_file}; $cmd ${source_file}" >> ${makefile}
+
+            deps="${deps} ${target}"
+            ((++targets))
+        fi
+    done
+
+    echo "build_test_config_combos: ${deps}" >> ${makefile}
+
+    # execute all of the commands via Make (probably in parallel)
+    make -s -f ${makefile} build_test_config_combos
+    echo "$targets targets checked"
+
+    # clean up the temporary makefile
+    rm ${makefile}
+}
+
+validate_aes_config_variations() {
+    if [[ "$1" == *"MBEDTLS_AES_USE_HARDWARE_ONLY"* ]]; then
+        if [[ "$1" == *"MBEDTLS_PADLOCK_C"* ]]; then
+            return 1
+        fi
+        if [[ !(("$HOSTTYPE" == "aarch64" && "$1" != *"MBEDTLS_AESCE_C"*) || \
+                ("$HOSTTYPE" == "x86_64"  && "$1" != *"MBEDTLS_AESNI_C"*)) ]]; then
+            return 1
+        fi
+    fi
+    return 0
+}
+
+component_build_aes_variations() {
+    # 18s - around 90ms per clang invocation on M1 Pro
+    #
     # aes.o has many #if defined(...) guards that intersect in complex ways.
-    # Test that all the combinations build cleanly. The most common issue is
-    # unused variables/functions, so ensure -Wunused is set.
+    # Test that all the combinations build cleanly.
 
     msg "build: aes.o for all combinations of relevant config options"
 
-    for a in set unset; do
-    for b in set unset; do
-    for c in set unset; do
-    for d in set unset; do
-    for e in set unset; do
-    for f in set unset; do
-    for g in set unset; do
-        echo ./scripts/config.py $a MBEDTLS_AES_SETKEY_ENC_ALT
-        echo ./scripts/config.py $b MBEDTLS_AES_DECRYPT_ALT
-        echo ./scripts/config.py $c MBEDTLS_AES_ROM_TABLES
-        echo ./scripts/config.py $d MBEDTLS_AES_ENCRYPT_ALT
-        echo ./scripts/config.py $e MBEDTLS_AES_SETKEY_DEC_ALT
-        echo ./scripts/config.py $f MBEDTLS_AES_FEWER_TABLES
-        echo ./scripts/config.py $g MBEDTLS_PADLOCK_C
-
-        ./scripts/config.py $a MBEDTLS_AES_SETKEY_ENC_ALT
-        ./scripts/config.py $b MBEDTLS_AES_DECRYPT_ALT
-        ./scripts/config.py $c MBEDTLS_AES_ROM_TABLES
-        ./scripts/config.py $d MBEDTLS_AES_ENCRYPT_ALT
-        ./scripts/config.py $e MBEDTLS_AES_SETKEY_DEC_ALT
-        ./scripts/config.py $f MBEDTLS_AES_FEWER_TABLES
-        ./scripts/config.py $g MBEDTLS_PADLOCK_C
-
-        rm -f library/aes.o
-        make -C library aes.o CC="clang" CFLAGS="-O0 -std=c99 -Werror -Wall -Wextra -Wwrite-strings -Wpointer-arith -Wimplicit-fallthrough -Wshadow -Wvla -Wformat=2 -Wno-format-nonliteral -Wshadow -Wasm-operand-widths -Wunused"
-    done
-    done
-    done
-    done
-    done
-    done
-    done
+    build_test_config_combos library/aes.o validate_aes_config_variations \
+        "MBEDTLS_AES_SETKEY_ENC_ALT" "MBEDTLS_AES_DECRYPT_ALT" \
+        "MBEDTLS_AES_ROM_TABLES" "MBEDTLS_AES_ENCRYPT_ALT" "MBEDTLS_AES_SETKEY_DEC_ALT" \
+        "MBEDTLS_AES_FEWER_TABLES" "MBEDTLS_PADLOCK_C" "MBEDTLS_AES_USE_HARDWARE_ONLY" \
+        "MBEDTLS_AESNI_C" "MBEDTLS_AESCE_C" "MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH"
 }
 
 component_test_no_platform () {
diff --git a/tests/scripts/basic-build-test.sh b/tests/scripts/basic-build-test.sh
index 43a91ee..72923f6 100755
--- a/tests/scripts/basic-build-test.sh
+++ b/tests/scripts/basic-build-test.sh
@@ -48,11 +48,8 @@
 fi
 
 : ${OPENSSL:="openssl"}
-: ${OPENSSL_LEGACY:="$OPENSSL"}
 : ${GNUTLS_CLI:="gnutls-cli"}
 : ${GNUTLS_SERV:="gnutls-serv"}
-: ${GNUTLS_LEGACY_CLI:="$GNUTLS_CLI"}
-: ${GNUTLS_LEGACY_SERV:="$GNUTLS_SERV"}
 
 # Used to make ssl-opt.sh deterministic.
 #
@@ -78,11 +75,8 @@
 
 # Step 0 - print build environment info
 OPENSSL="$OPENSSL"                           \
-    OPENSSL_LEGACY="$OPENSSL_LEGACY"         \
     GNUTLS_CLI="$GNUTLS_CLI"                 \
     GNUTLS_SERV="$GNUTLS_SERV"               \
-    GNUTLS_LEGACY_CLI="$GNUTLS_LEGACY_CLI"   \
-    GNUTLS_LEGACY_SERV="$GNUTLS_LEGACY_SERV" \
     scripts/output_env.sh
 echo
 
@@ -124,9 +118,7 @@
     sh compat.sh
     echo
 
-    echo '#### compat.sh: legacy (null)'
-    OPENSSL="$OPENSSL_LEGACY" \
-    GNUTLS_CLI="$GNUTLS_LEGACY_CLI" GNUTLS_SERV="$GNUTLS_LEGACY_SERV" \
+    echo '#### compat.sh: null cipher'
     sh compat.sh -e '^$' -f 'NULL'
     echo
 
diff --git a/tests/scripts/test_psa_compliance.py b/tests/scripts/test_psa_compliance.py
index 34b4494..9cd220f 100755
--- a/tests/scripts/test_psa_compliance.py
+++ b/tests/scripts/test_psa_compliance.py
@@ -2,7 +2,7 @@
 """Run the PSA Crypto API compliance test suite.
 Clone the repo and check out the commit specified by PSA_ARCH_TEST_REPO and PSA_ARCH_TEST_REF,
 then compile and run the test suite. The clone is stored at <repository root>/psa-arch-tests.
-Known defects in either the test suite or mbedtls / psa-crypto - identified by their test
+Known defects in either the test suite or mbedtls / TF-PSA-Crypto - identified by their test
 number - are ignored, while unexpected failures AND successes are reported as errors, to help
 keep the list of known defects as up to date as possible.
 """
@@ -34,8 +34,8 @@
 import scripts_path
 from mbedtls_dev import build_tree
 
-# PSA Compliance tests we expect to fail due to known defects in Mbed TLS / PSA Crypto
-# (or the test suite).
+# PSA Compliance tests we expect to fail due to known defects in Mbed TLS /
+# TF-PSA-Crypto (or the test suite).
 # The test numbers correspond to the numbers used by the console output of the test suite.
 # Test number 2xx corresponds to the files in the folder
 # psa-arch-tests/api-tests/dev_apis/crypto/test_c0xx
@@ -60,10 +60,10 @@
 def main(library_build_dir: str):
     root_dir = os.getcwd()
 
-    in_psa_crypto_repo = build_tree.looks_like_psa_crypto_root(root_dir)
+    in_tf_psa_crypto_repo = build_tree.looks_like_tf_psa_crypto_root(root_dir)
 
-    if in_psa_crypto_repo:
-        crypto_name = 'psacrypto'
+    if in_tf_psa_crypto_repo:
+        crypto_name = 'tfpsacrypto'
         library_subdir = 'core'
     else:
         crypto_name = 'mbedcrypto'
@@ -102,7 +102,7 @@
         os.chdir(build_dir)
 
         extra_includes = (';{}/drivers/builtin/include'.format(root_dir)
-                          if in_psa_crypto_repo else '')
+                          if in_tf_psa_crypto_repo else '')
 
         #pylint: disable=bad-continuation
         subprocess.check_call([
@@ -178,7 +178,7 @@
     # pylint: disable=invalid-name
     parser = argparse.ArgumentParser()
     parser.add_argument('--build-dir', nargs=1,
-                        help='path to Mbed TLS / PSA Crypto build directory')
+                        help='path to Mbed TLS / TF-PSA-Crypto build directory')
     args = parser.parse_args()
 
     if args.build_dir is not None:
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index efcbd26..0dcff67 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -81,14 +81,6 @@
 
 # alternative versions of OpenSSL and GnuTLS (no default path)
 
-if [ -n "${OPENSSL_LEGACY:-}" ]; then
-    O_LEGACY_SRV="$OPENSSL_LEGACY s_server -www -cert data_files/server5.crt -key data_files/server5.key"
-    O_LEGACY_CLI="echo 'GET / HTTP/1.0' | $OPENSSL_LEGACY s_client"
-else
-    O_LEGACY_SRV=false
-    O_LEGACY_CLI=false
-fi
-
 if [ -n "${OPENSSL_NEXT:-}" ]; then
     O_NEXT_SRV="$OPENSSL_NEXT s_server -www -cert data_files/server5.crt -key data_files/server5.key"
     O_NEXT_SRV_EARLY_DATA="$OPENSSL_NEXT s_server -early_data -cert data_files/server5.crt -key data_files/server5.key"
@@ -644,20 +636,6 @@
     fi
 }
 
-# skip next test if OpenSSL-legacy isn't available
-requires_openssl_legacy() {
-    if [ -z "${OPENSSL_LEGACY_AVAILABLE:-}" ]; then
-        if which "${OPENSSL_LEGACY:-}" >/dev/null 2>&1; then
-            OPENSSL_LEGACY_AVAILABLE="YES"
-        else
-            OPENSSL_LEGACY_AVAILABLE="NO"
-        fi
-    fi
-    if [ "$OPENSSL_LEGACY_AVAILABLE" = "NO" ]; then
-        SKIP_NEXT="YES"
-    fi
-}
-
 requires_openssl_next() {
     if [ -z "${OPENSSL_NEXT_AVAILABLE:-}" ]; then
         if which "${OPENSSL_NEXT:-}" >/dev/null 2>&1; then
@@ -1915,11 +1893,6 @@
 G_SRV="$G_SRV -p $SRV_PORT"
 G_CLI="$G_CLI -p +SRV_PORT"
 
-if [ -n "${OPENSSL_LEGACY:-}" ]; then
-    O_LEGACY_SRV="$O_LEGACY_SRV -accept $SRV_PORT -dhparam data_files/dhparams.pem"
-    O_LEGACY_CLI="$O_LEGACY_CLI -connect 127.0.0.1:+SRV_PORT"
-fi
-
 # Newer versions of OpenSSL have a syntax to enable all "ciphers", even
 # low-security ones. This covers not just cipher suites but also protocol
 # versions. It is necessary, for example, to use (D)TLS 1.0/1.1 on