psa: Export "internally" psa_sign/verify_hash_internal
Export psa_sign/verify_hash_internal from psa_crypto.c
to make it available to the driver wrapper.
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index b40be07..2f3d2e8 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -3341,7 +3341,7 @@
#endif /* defined(MBEDTLS_PSA_BUILTIN_ALG_ECDSA) ||
* defined(MBEDTLS_PSA_BUILTIN_ALG_DETERMINISTIC_ECDSA) */
-static psa_status_t psa_sign_hash_internal(
+psa_status_t psa_sign_hash_internal(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
psa_algorithm_t alg, const uint8_t *hash, size_t hash_length,
@@ -3487,7 +3487,7 @@
return( ( status == PSA_SUCCESS ) ? unlock_status : status );
}
-static psa_status_t psa_verify_hash_internal(
+psa_status_t psa_verify_hash_internal(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
psa_algorithm_t alg, const uint8_t *hash, size_t hash_length,
diff --git a/library/psa_crypto_core.h b/library/psa_crypto_core.h
index 9f10868..ec7ac80 100644
--- a/library/psa_crypto_core.h
+++ b/library/psa_crypto_core.h
@@ -324,4 +324,80 @@
size_t key_buffer_size,
size_t *key_buffer_length );
+/** Sign an already-calculated hash with a private key.
+ *
+ * \note The signature of this function is that of a PSA driver
+ * sign_hash entry point. This function behaves as a sign_hash
+ * entry point as defined in the PSA driver interface specification for
+ * transparent drivers.
+ *
+ * \param[in] attributes The attributes of the key to use for the
+ * operation.
+ * \param[in] key_buffer The buffer containing the key context.
+ * format.
+ * \param[in] key_buffer_size Size of the \p key_buffer buffer in bytes.
+ * \param[in] alg A signature algorithm that is compatible with
+ * the type of the key.
+ * \param[in] hash The hash or message to sign.
+ * \param[in] hash_length Size of the \p hash buffer in bytes.
+ * \param[out] signature Buffer where the signature is to be written.
+ * \param[in] signature_size Size of the \p signature buffer in bytes.
+ * \param[out] signature_length On success, the number of bytes
+ * that make up the returned signature value.
+ *
+ * \retval #PSA_SUCCESS
+ * \retval #PSA_ERROR_BUFFER_TOO_SMALL
+ * The size of the \p signature buffer is too small. You can
+ * determine a sufficient buffer size by calling
+ * #PSA_SIGN_OUTPUT_SIZE(\c key_type, \c key_bits, \p alg)
+ * where \c key_type and \c key_bits are the type and bit-size
+ * respectively of the key.
+ * \retval #PSA_ERROR_NOT_SUPPORTED
+ * \retval #PSA_ERROR_INVALID_ARGUMENT
+ * \retval #PSA_ERROR_INSUFFICIENT_MEMORY
+ * \retval #PSA_ERROR_CORRUPTION_DETECTED
+ * \retval #PSA_ERROR_INSUFFICIENT_ENTROPY
+ */
+psa_status_t psa_sign_hash_internal(
+ const psa_key_attributes_t *attributes,
+ const uint8_t *key_buffer, size_t key_buffer_size,
+ psa_algorithm_t alg, const uint8_t *hash, size_t hash_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.
+ *
+ * \note The signature of this function is that of a PSA driver
+ * verify_hash entry point. This function behaves as a verify_hash
+ * entry point as defined in the PSA driver interface specification for
+ * transparent drivers.
+ *
+ * \param[in] attributes The attributes of the key to use for the
+ * operation.
+ * \param[in] key_buffer The buffer containing the key context.
+ * format.
+ * \param[in] key_buffer_size Size of the \p key_buffer buffer in bytes.
+ * \param[in] alg A signature algorithm that is compatible with
+ * the type of the key.
+ * \param[in] hash The hash or message whose signature is to be
+ * verified.
+ * \param[in] hash_length Size of the \p hash buffer in bytes.
+ * \param[in] signature Buffer containing the signature to verify.
+ * \param[in] signature_length Size of the \p signature buffer in bytes.
+ *
+ * \retval #PSA_SUCCESS
+ * The signature is valid.
+ * \retval #PSA_ERROR_INVALID_SIGNATURE
+ * The calculation was performed successfully, but the passed
+ * signature is not a valid signature.
+ * \retval #PSA_ERROR_NOT_SUPPORTED
+ * \retval #PSA_ERROR_INVALID_ARGUMENT
+ * \retval #PSA_ERROR_INSUFFICIENT_MEMORY
+ */
+psa_status_t psa_verify_hash_internal(
+ const psa_key_attributes_t *attributes,
+ const uint8_t *key_buffer, size_t key_buffer_size,
+ psa_algorithm_t alg, const uint8_t *hash, size_t hash_length,
+ const uint8_t *signature, size_t signature_length );
+
#endif /* PSA_CRYPTO_CORE_H */
