eden-emu/mbedtls
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Resolve PR review comments

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Address review comments:
1. add `mbedtls_cipher_init()` after freeing context, in test code
2. style comments
3. set `ctx->iv_size = 0` in case `IV == NULL && iv_len == 0`
This commit is contained in:
Ron Eldor 2017-10-01 17:04:54 +03:00 • committed by Simon Butcher
parent 6f90ed82b9
commit bb4bbbbbb4
2 changed files with 6 additions and 2 deletions
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5
library/cipher.c
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@ -242,6 +242,9 @@ int mbedtls_cipher_set_iv( mbedtls_cipher_context_t *ctx,
else if( NULL == iv && iv_len != 0 )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
if( NULL == iv && iv_len == 0 )
ctx->iv_size = 0;
/* avoid buffer overflow in ctx->iv */
if( iv_len > MBEDTLS_MAX_IV_LENGTH )
return( MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE );
@ -269,7 +272,7 @@ int mbedtls_cipher_set_iv( mbedtls_cipher_context_t *ctx,
}
#endif
if ( actual_iv_size )
if ( actual_iv_size != 0 )
{
memcpy( ctx->iv, iv, actual_iv_size );
ctx->iv_size = actual_iv_size;