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wolfcrypt/src/pkcs7.c: correct fix for clang-analyzer-core.DivideZero in wc_PKCS7_DecodeAuthEnvelopedData().

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Daniel Pouzzner
2023-04-12 16:37:20 -05:00
parent 4b59588cf3
commit c41030663e
1 changed files with 11 additions and 9 deletions
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20
wolfcrypt/src/pkcs7.c
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@ -11877,15 +11877,17 @@ WOLFSSL_API int wc_PKCS7_DecodeAuthEnvelopedData(PKCS7* pkcs7, byte* in,
#endif #endif
if (expBlockSz == 0) { if (expBlockSz == 0) {
if (GetAlgoId(pkiMsg, &idx, &encOID, oidBlkType, pkiMsgSz) < 0) #ifndef NO_PKCS7_STREAM
{ wc_PKCS7_StreamGetVar(pkcs7, &encOID, NULL, NULL);
ret = ASN_PARSE_E; #endif
break; if (encOID == 0)
} expBlockSz = 1;
expBlockSz = wc_PKCS7_GetOIDBlockSize(encOID); else {
if (expBlockSz < 0) { expBlockSz = wc_PKCS7_GetOIDBlockSize(encOID);
ret = expBlockSz; if (expBlockSz < 0) {
break; ret = expBlockSz;
break;
}
} }
} }