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return value check in EVP_PKEY_encrypt

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This commit is contained in:
Takashi Kojo
2017-04-07 16:24:44 +09:00
committed by Jacob Barthelmeh
parent 09eeafe4f0
commit 1b7f4ad1dd
1 changed files with 8 additions and 3 deletions
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11
wolfcrypt/src/evp.c
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@ -703,6 +703,7 @@ WOLFSSL_API int wolfSSL_EVP_PKEY_encrypt(WOLFSSL_EVP_PKEY_CTX *ctx,
unsigned char *out, size_t *outlen, unsigned char *out, size_t *outlen,
const unsigned char *in, size_t inlen) const unsigned char *in, size_t inlen)
{ {
int len;
if (ctx == NULL)return 0; if (ctx == NULL)return 0;
WOLFSSL_ENTER("EVP_PKEY_encrypt"); WOLFSSL_ENTER("EVP_PKEY_encrypt");
if(ctx->op != EVP_PKEY_OP_ENCRYPT)return 0; if(ctx->op != EVP_PKEY_OP_ENCRYPT)return 0;
@ -711,13 +712,17 @@ WOLFSSL_API int wolfSSL_EVP_PKEY_encrypt(WOLFSSL_EVP_PKEY_CTX *ctx,
(void)outlen; (void)outlen;
(void)in; (void)in;
(void)inlen; (void)inlen;
(void)len;
switch(ctx->pkey->type){ switch(ctx->pkey->type){
#if !defined(NO_RSA) && !defined(HAVE_USER_RSA) #if !defined(NO_RSA) && !defined(HAVE_USER_RSA)
case EVP_PKEY_RSA: case EVP_PKEY_RSA:
*outlen = wolfSSL_RSA_public_encrypt((int)inlen, (unsigned char *)in, out, len = wolfSSL_RSA_public_encrypt((int)inlen, (unsigned char *)in, out,
ctx->pkey->rsa, ctx->padding); ctx->pkey->rsa, ctx->padding);
return (int)*outlen; if(len < 0)return 0;
else {
*outlen = len ;
return len;
}
#endif /* NO_RSA */ #endif /* NO_RSA */
case EVP_PKEY_EC: case EVP_PKEY_EC: