commit e59236fc17d2b404946a17d4af213c491294a81c
author Gilles Peskine <Gilles.Peskine@arm.com> Sat Jan 27 23:32:46 2018 +0100
committer itayzafrir <itay.zafrir@arm.com> Wed Sep 05 10:59:00 2018 +0300
tree b425f82a9c606752d45060493aa6eb9134089c3d
parent c0a63bd0c1abad986c1c64190d03ec3e6d34e589

Add PSA crypto module

New module psa_crypto.c (MBEDTLS_PSA_CRYPTO_C):
Platform Security Architecture compatibility layer on top of
libmedcrypto.

Implement psa_crypto_init function which sets up a RNG.

Add a mbedtls_psa_crypto_free function which deinitializes the
library.

Define a first batch of error codes.

include/mbedtls/check_config.h

diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index 9e6bb8a..41c3f24 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -486,6 +486,12 @@
 #error "MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO and MBEDTLS_PLATFORM_STD_NV_SEED_WRITE cannot be defined simultaneously"
 #endif
 
+#if defined(MBEDTLS_PSA_CRYPTO_C) &&            \
+    !( defined(MBEDTLS_CTR_DRBG_C) &&           \
+       defined(MBEDTLS_ENTROPY_C) )
+#error "MBEDTLS_PSA_CRYPTO_C defined, but not all prerequisites"
+#endif
+
 #if defined(MBEDTLS_RSA_C) && ( !defined(MBEDTLS_BIGNUM_C) ||         \
     !defined(MBEDTLS_OID_C) )
 #error "MBEDTLS_RSA_C defined, but not all prerequisites"