Squashed commit upgrading to mbedtls-2.16.5
Squash merging branch import/mbedtls-2.16.5
058aefb2bfa4 ("core: mbedtls: use SHA-256 crypto accelerated routines")
bcef9baed8f1 ("core: mbedtls: use SHA-1 crypto accelerated routines")
c9359f31db12 ("core: mbedtls: use AES crypto accelerated routines")
0e6c1e2642c7 ("core: merge tee_*_get_digest_size() into a single function")
0cb3c28a2f4d ("libmbedtls: mbedtls_mpi_exp_mod(): optimize mempool usage")
5abf0e6ab72e ("libmbedtls: mbedtls_mpi_exp_mod(): reduce stack usage")
2ccc08ac7fef ("libmbedtls: preserve mempool usage on reinit")
cd2a24648569 ("libmbedtls: mbedtls_mpi_exp_mod() initialize W")
7727182ecb56 ("libmbedtls: fix no CRT issue")
120737075dcf ("libmbedtls: add interfaces in mbedtls for context memory operation")
1126250b3af8 ("libmbedtls: add missing source file chachapoly.c")
23972e9f1c98 ("libmedtls: mpi_miller_rabin: increase count limit")
1fcbc05b3cd2 ("libmbedtls: add mbedtls_mpi_init_mempool()")
66e03f068078 ("libmbedtls: make mbedtls_mpi_mont*() available")
d07e0ce56236 ("libmbedtls: refine mbedtls license header")
491ee2cd0ff4 ("mbedtls: configure mbedtls to reach for config")
9b6cee685d9a ("mbedtls: remove default include/mbedtls/config.h")
84f7467a0a91 ("Import mbedtls-2.16.5")
Signed-off-by: Jerome Forissier <jerome@forissier.org>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
diff --git a/lib/libmbedtls/mbedtls/library/cipher.c b/lib/libmbedtls/mbedtls/library/cipher.c
index e722313..31123c5 100644
--- a/lib/libmbedtls/mbedtls/library/cipher.c
+++ b/lib/libmbedtls/mbedtls/library/cipher.c
@@ -400,6 +400,10 @@
*olen = 0;
block_size = mbedtls_cipher_get_block_size( ctx );
+ if ( 0 == block_size )
+ {
+ return( MBEDTLS_ERR_CIPHER_INVALID_CONTEXT );
+ }
if( ctx->cipher_info->mode == MBEDTLS_MODE_ECB )
{
@@ -435,11 +439,6 @@
}
#endif
- if ( 0 == block_size )
- {
- return( MBEDTLS_ERR_CIPHER_INVALID_CONTEXT );
- }
-
if( input == output &&
( ctx->unprocessed_len != 0 || ilen % block_size ) )
{
@@ -498,11 +497,6 @@
*/
if( 0 != ilen )
{
- if( 0 == block_size )
- {
- return( MBEDTLS_ERR_CIPHER_INVALID_CONTEXT );
- }
-
/* Encryption: only cache partial blocks
* Decryption w/ padding: always keep at least one whole block
* Decryption w/o padding: only cache partial blocks