PSA crypto: asymmetric signature (RSA PKCS#1v1.5 only)
Define hash algorithms and RSA signature algorithms.
New function psa_asymmetric_sign.
Implement psa_asymmetric_sign for RSA PKCS#1 v1.5.
diff --git a/include/psa/crypto.h b/include/psa/crypto.h
index 7e61565..3eee382 100644
--- a/include/psa/crypto.h
+++ b/include/psa/crypto.h
@@ -136,7 +136,39 @@
#define PSA_KEY_TYPE_IS_ECC(type) \
(((type) & PSA_KEY_TYPE_ECC_TEST_MASK) == PSA_KEY_TYPE_ECC_TEST_VALUE)
-typedef uint32_t psa_algorithm_type_t;
+typedef uint32_t psa_algorithm_t;
+
+#define PSA_ALG_HASH_BITS 0x01000000
+#define PSA_ALG_RSA_HASH_MASK 0x000000ff
+#define PSA_ALG_MD2 0x01000001
+#define PSA_ALG_MD4 0x01000002
+#define PSA_ALG_MD5 0x01000003
+#define PSA_ALG_SHA_256_128 0x01000004
+#define PSA_ALG_RIPEMD160 0x01000005
+#define PSA_ALG_SHA_1 0x01000006
+#define PSA_ALG_SHA_256_160 0x01000007
+#define PSA_ALG_SHA_224 0x01000008
+#define PSA_ALG_SHA_256 0x01000009
+#define PSA_ALG_SHA_384 0x0100000a
+#define PSA_ALG_SHA_512 0x0100000b
+#define PSA_ALG_SHA_512_224 0x0100000c
+#define PSA_ALG_SHA_512_256 0x0100000d
+#define PSA_ALG_SHA3_224 0x01000010
+#define PSA_ALG_SHA3_256 0x01000011
+#define PSA_ALG_SHA3_384 0x01000012
+#define PSA_ALG_SHA3_512 0x01000013
+
+#define PSA_ALG_RSA_PKCS1V15_RAW 0x40000100
+#define PSA_ALG_RSA_PSS_MGF1 0x40000200
+#define PSA_ALG_RSA_OAEP 0x40000300
+#define PSA_ALG_RSA_PKCS1V15(hash_alg) \
+ (PSA_ALG_RSA_PKCS1V15_RAW | ((hash_alg) & PSA_ALG_RSA_HASH_MASK))
+#define PSA_ALG_IS_RSA_PKCS1V15(alg) \
+ (((alg) & 0x7fffff00) == PSA_ALG_RSA_PKCS1V15_RAW)
+#define PSA_ALG_RSA_GET_HASH(alg) \
+ (((alg) & PSA_ALG_RSA_HASH_MASK) | PSA_ALG_HASH_BITS)
+
+#define PSA_ALG_VENDOR_FLAG 0x80000000
/**@}*/
@@ -208,6 +240,40 @@
size_t data_size,
size_t *data_length);
+
+/**@}*/
+
+/** \defgroup asymmetric Asymmetric cryptography
+ * @{
+ */
+
+/**
+ * \brief Sign a hash or short message with a private key.
+ *
+ */
+psa_status_t psa_asymmetric_sign(psa_key_slot_t key,
+ psa_algorithm_t alg,
+ const uint8_t *hash,
+ size_t hash_length,
+ const uint8_t *salt,
+ size_t salt_length,
+ uint8_t *signature,
+ size_t signature_size,
+ size_t *signature_length);
+
+/**
+ * \brief Verify the signature a hash or short message using a public key.
+ *
+ */
+psa_status_t psa_asymmetric_verify(psa_key_slot_t key,
+ psa_algorithm_t alg,
+ const uint8_t *hash,
+ size_t hash_length,
+ const uint8_t *salt,
+ size_t salt_length,
+ uint8_t *signature,
+ size_t signature_size);
+
/**@}*/
#ifdef __cplusplus