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Check that the cipher GCM receives is a 128-bit-based cipher

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This commit is contained in:
Paul Bakker 2013-09-10 14:25:51 +02:00
parent 43aff2aec4
commit a0558e0484
1 changed files with 3 additions and 0 deletions
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3
library/gcm.c
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@ -117,6 +117,9 @@ int gcm_init( gcm_context *ctx, cipher_id_t cipher, const unsigned char *key,
if( cipher_info == NULL )
return( POLARSSL_ERR_GCM_BAD_INPUT );
if( cipher_info->block_size != 16 )
return( POLARSSL_ERR_GCM_BAD_INPUT );
if( ( ret = cipher_init_ctx( &ctx->cipher_ctx, cipher_info ) ) != 0 )
return( ret );