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scan-build fixes for wc_PKCS7_DecodeEnvelopedData()

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This commit is contained in:
Chris Conlon
2020-03-03 10:27:22 -07:00
parent d8eeefb4b7
commit 44d2fc55e6
1 changed files with 11 additions and 6 deletions
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17
wolfcrypt/src/pkcs7.c
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@ -10317,22 +10317,22 @@ WOLFSSL_API int wc_PKCS7_DecodeEnvelopedData(PKCS7* pkcs7, byte* in,
if (GetASNTag(pkiMsg, &idx, &tag, pkiMsgSz) < 0) {
ret = ASN_PARSE_E;
break;
}
if (tag != ASN_OCTET_STRING) {
if (ret == 0 && (tag != ASN_OCTET_STRING)) {
ret = ASN_PARSE_E;
break;
}
if (ret == 0 && GetLength(pkiMsg, &idx,
&encryptedContentSz, pkiMsgSz) <= 0) {
ret = ASN_PARSE_E;
break;
}
ret = PKCS7_CacheEncryptedContent(pkcs7, &pkiMsg[idx],
encryptedContentSz);
if (ret == 0) {
ret = PKCS7_CacheEncryptedContent(pkcs7, &pkiMsg[idx],
encryptedContentSz);
}
if (ret != 0) {
break;
}
@ -10340,6 +10340,11 @@ WOLFSSL_API int wc_PKCS7_DecodeEnvelopedData(PKCS7* pkcs7, byte* in,
/* advance idx past encrypted content */
idx += encryptedContentSz;
}
if (ret != 0) {
break;
}
} else {
/* cache encrypted content, no OCTET STRING */
ret = PKCS7_CacheEncryptedContent(pkcs7, &pkiMsg[idx],