generic-library/openssl
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Don't use assertions to check application-provided arguments;

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and don't unnecessarily fail on input size 0.
This commit is contained in:
Bodo Möller 2008-08-14 21:37:51 +00:00
parent 1cbf663a6c
commit 2e415778f2
1 changed files with 9 additions and 4 deletions
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11
crypto/evp/evp_enc.c
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@ -279,7 +279,12 @@ int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
{ {
int i,j,bl; int i,j,bl;
OPENSSL_assert(inl > 0); if (inl <= 0)
{
*outl = 0;
return inl == 0;
}
if(ctx->buf_len == 0 && (inl&(ctx->block_mask)) == 0) if(ctx->buf_len == 0 && (inl&(ctx->block_mask)) == 0)
{ {
if(ctx->cipher->do_cipher(ctx,out,in,inl)) if(ctx->cipher->do_cipher(ctx,out,in,inl))
@ -381,10 +386,10 @@ int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
int fix_len; int fix_len;
unsigned int b; unsigned int b;
if (inl == 0) if (inl <= 0)
{ {
*outl = 0; *outl = 0;
return 1; return inl == 0;
} }
if (ctx->flags & EVP_CIPH_NO_PADDING) if (ctx->flags & EVP_CIPH_NO_PADDING)