commit 36fb12e7dde2a59432bd76e66d535f15ab2e5a44
author Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com> Tue Mar 28 11:33:23 2023 +0200
committer Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com> Tue Jun 06 10:33:54 2023 +0200
tree 32983023dbbd5305fc7f96426b923e620f1c1ca5
parent 1b180bec40472a59e33ff2dd844a948b6398e6af

Add MD <-> PSA translation functions to MD light

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>

library/md.c

diff --git a/library/md.c b/library/md.c
index 306af72..14a88ba 100644
--- a/library/md.c
+++ b/library/md.c
@@ -52,8 +52,12 @@
 #include "mbedtls/sha256.h"
 #include "mbedtls/sha512.h"
 
-#if defined(MBEDTLS_MD_SOME_PSA)
+#if defined(MBEDTLS_PSA_CRYPTO_C)
 #include <psa/crypto.h>
+#include "md_psa.h"
+#endif
+
+#if defined(MBEDTLS_MD_SOME_PSA)
 #include "psa_crypto_core.h"
 #endif
 
@@ -678,6 +682,97 @@
     return md_info->type;
 }
 
+#if defined(MBEDTLS_PSA_CRYPTO_C)
+psa_algorithm_t mbedtls_md_psa_alg_from_type(mbedtls_md_type_t md_type)
+{
+    switch (md_type) {
+#if defined(MBEDTLS_MD_CAN_MD5)
+        case MBEDTLS_MD_MD5:
+            return PSA_ALG_MD5;
+#endif
+#if defined(MBEDTLS_MD_CAN_RIPEMD160)
+        case MBEDTLS_MD_RIPEMD160:
+            return PSA_ALG_RIPEMD160;
+#endif
+#if defined(MBEDTLS_MD_CAN_SHA1)
+        case MBEDTLS_MD_SHA1:
+            return PSA_ALG_SHA_1;
+#endif
+#if defined(MBEDTLS_MD_CAN_SHA224)
+        case MBEDTLS_MD_SHA224:
+            return PSA_ALG_SHA_224;
+#endif
+#if defined(MBEDTLS_MD_CAN_SHA256)
+        case MBEDTLS_MD_SHA256:
+            return PSA_ALG_SHA_256;
+#endif
+#if defined(MBEDTLS_MD_CAN_SHA384)
+        case MBEDTLS_MD_SHA384:
+            return PSA_ALG_SHA_384;
+#endif
+#if defined(MBEDTLS_MD_CAN_SHA512)
+        case MBEDTLS_MD_SHA512:
+            return PSA_ALG_SHA_512;
+#endif
+        default:
+            return PSA_ALG_NONE;
+    }
+}
+
+mbedtls_md_type_t mbedtls_md_type_from_psa_alg(psa_algorithm_t psa_alg)
+{
+    switch (psa_alg) {
+#if defined(MBEDTLS_MD_CAN_MD5)
+        case PSA_ALG_MD5:
+            return MBEDTLS_MD_MD5;
+#endif
+#if defined(MBEDTLS_MD_CAN_RIPEMD160)
+        case PSA_ALG_RIPEMD160:
+            return MBEDTLS_MD_RIPEMD160;
+#endif
+#if defined(MBEDTLS_MD_CAN_SHA1)
+        case PSA_ALG_SHA_1:
+            return MBEDTLS_MD_SHA1;
+#endif
+#if defined(MBEDTLS_MD_CAN_SHA224)
+        case PSA_ALG_SHA_224:
+            return MBEDTLS_MD_SHA224;
+#endif
+#if defined(MBEDTLS_MD_CAN_SHA256)
+        case PSA_ALG_SHA_256:
+            return MBEDTLS_MD_SHA256;
+#endif
+#if defined(MBEDTLS_MD_CAN_SHA384)
+        case PSA_ALG_SHA_384:
+            return MBEDTLS_MD_SHA384;
+#endif
+#if defined(MBEDTLS_MD_CAN_SHA512)
+        case PSA_ALG_SHA_512:
+            return MBEDTLS_MD_SHA512;
+#endif
+        default:
+            return MBEDTLS_MD_NONE;
+    }
+}
+
+int mbedtls_md_error_from_psa(psa_status_t status)
+{
+    switch (status) {
+        case PSA_SUCCESS:
+            return 0;
+        case PSA_ERROR_NOT_SUPPORTED:
+            return MBEDTLS_ERR_MD_FEATURE_UNAVAILABLE;
+        case PSA_ERROR_INVALID_ARGUMENT:
+            return MBEDTLS_ERR_MD_BAD_INPUT_DATA;
+        case PSA_ERROR_INSUFFICIENT_MEMORY:
+            return MBEDTLS_ERR_MD_ALLOC_FAILED;
+        default:
+            return MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED;
+    }
+}
+#endif /* MBEDTLS_PSA_CRYPTO_C */
+
+
 /************************************************************************
  * Functions above this separator are part of MBEDTLS_MD_LIGHT,         *
  * functions below are only available when MBEDTLS_MD_C is set.         *