commit 3497323f79c4a1f80a3d6a4806cae5cdfa223ea7
author Jaeden Amero <jaeden.amero@arm.com> Wed Feb 20 10:32:28 2019 +0000
committer Jaeden Amero <jaeden.amero@arm.com> Wed Feb 20 10:58:55 2019 +0000
tree 336c5d56d6dc8078f4d1a9f97bba994b9ae0f186
parent 9c99dc862cd5cf9cdc62cbfcd200063c83295397

Initialize PSA Crypto operation contexts

It is now required to initialize PSA Crypto operation contexts before
calling psa_*_setup(). Otherwise, one gets a PSA_ERROR_BAD_STATE error.

library/ssl_tls.c

diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index f224d5e..a0d2617 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -6529,7 +6529,7 @@
     unsigned char padbuf[32];
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
     size_t hash_size;
-    psa_hash_operation_t sha256_psa;
+    psa_hash_operation_t sha256_psa = PSA_HASH_OPERATION_INIT;
     psa_status_t status;
 #else
     mbedtls_sha256_context sha256;
@@ -6605,7 +6605,7 @@
     unsigned char padbuf[48];
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
     size_t hash_size;
-    psa_hash_operation_t sha384_psa;
+    psa_hash_operation_t sha384_psa = PSA_HASH_OPERATION_INIT;
     psa_status_t status;
 #else
     mbedtls_sha512_context sha512;
@@ -10203,7 +10203,7 @@
                                             mbedtls_md_type_t md_alg )
 {
     psa_status_t status;
-    psa_hash_operation_t hash_operation;
+    psa_hash_operation_t hash_operation = PSA_HASH_OPERATION_INIT;
     psa_algorithm_t hash_alg = mbedtls_psa_translate_md( md_alg );
 
     MBEDTLS_SSL_DEBUG_MSG( 1, ( "Perform PSA-based computation of digest of ServerKeyExchange" ) );