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Place olen initalization after reference check in cipher_update()

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This commit is contained in:
Paul Bakker 2013-12-16 15:24:50 +01:00
parent 6f0636a09f
commit 6c21276342
1 changed files with 2 additions and 2 deletions
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4
library/cipher.c
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@ -241,13 +241,13 @@ int cipher_update( cipher_context_t *ctx, const unsigned char *input, size_t ile
{ {
int ret; int ret;
*olen = 0;
if( NULL == ctx || NULL == ctx->cipher_info || NULL == olen ) if( NULL == ctx || NULL == ctx->cipher_info || NULL == olen )
{ {
return POLARSSL_ERR_CIPHER_BAD_INPUT_DATA; return POLARSSL_ERR_CIPHER_BAD_INPUT_DATA;
} }
*olen = 0;
if( ctx->cipher_info->mode == POLARSSL_MODE_ECB ) if( ctx->cipher_info->mode == POLARSSL_MODE_ECB )
{ {
if( ilen != cipher_get_block_size( ctx ) ) if( ilen != cipher_get_block_size( ctx ) )