diff options
Diffstat (limited to 'crypto/evp')
| -rw-r--r-- | crypto/evp/evp_enc.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/crypto/evp/evp_enc.c b/crypto/evp/evp_enc.c index bdec227b4a..05dd791b6c 100644 --- a/crypto/evp/evp_enc.c +++ b/crypto/evp/evp_enc.c @@ -305,11 +305,6 @@ static int evp_EncryptDecryptUpdate(EVP_CIPHER_CTX *ctx, bl = ctx->cipher->block_size; - if (inl <= 0) { - *outl = 0; - return inl == 0; - } - if (ctx->cipher->flags & EVP_CIPH_FLAG_CUSTOM_CIPHER) { /* If block size > 1 then the cipher will have to do this check */ if (bl == 1 && is_partially_overlapping(out, in, cmpl)) { @@ -325,6 +320,10 @@ static int evp_EncryptDecryptUpdate(EVP_CIPHER_CTX *ctx, return 1; } + if (inl <= 0) { + *outl = 0; + return inl == 0; + } if (is_partially_overlapping(out + ctx->buf_len, in, cmpl)) { EVPerr(EVP_F_EVP_ENCRYPTDECRYPTUPDATE, EVP_R_PARTIALLY_OVERLAPPING); return 0; @@ -458,11 +457,6 @@ int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl, if (EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS)) cmpl = (cmpl + 7) / 8; - if (inl <= 0) { - *outl = 0; - return inl == 0; - } - if (ctx->cipher->flags & EVP_CIPH_FLAG_CUSTOM_CIPHER) { if (b == 1 && is_partially_overlapping(out, in, cmpl)) { EVPerr(EVP_F_EVP_DECRYPTUPDATE, EVP_R_PARTIALLY_OVERLAPPING); @@ -478,6 +472,11 @@ int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl, return 1; } + if (inl <= 0) { + *outl = 0; + return inl == 0; + } + if (ctx->flags & EVP_CIPH_NO_PADDING) return evp_EncryptDecryptUpdate(ctx, out, outl, in, inl); |