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Merge pull request #2623 from SparkiDev/set_ser_rand

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Generating serial number - clear top bit
This commit is contained in:
toddouska
2019-11-26 16:14:54 -08:00
committed by GitHub
parent 7cb5fe5e2a 6325269236
commit 1b63ab0e73
1 changed files with 2 additions and 0 deletions
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wolfcrypt/src/asn.c
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@@ -11870,6 +11870,8 @@ static int EncodeCert(Cert* cert, DerCert* der, RsaKey* rsaKey, ecc_key* eccKey,
ret = wc_RNG_GenerateBlock(rng, cert->serial, cert->serialSz);
if (ret != 0)
return ret;
/* Clear the top bit to avoid a negative value */
cert->serial[0] &= 0x7f;
}
der->serialSz = SetSerialNumber(cert->serial, cert->serialSz, der->serial,
sizeof(der->serial), CTC_SERIAL_SIZE);