I've had a look at the code for this and this seems very odd.
Can you send me a sample PKCS10 request that you are generating?
Thanks,
David
On 3/12/19 1:03 am, Uzeyir Qurbanli wrote:
>
> help
> Can anybody help me to solve this problem, or may be anyone
> encountered this error:
>
> I need to create *PKCS10* request with *EC keypairs*. But there is an
> error with request public key every time, I use BC sample test codes
> for testing below too:
>
> X9ECParameters x9 = ECNamedCurveTable.GetByName("secp521r1");
> ECCurve curve = x9.Curve;
> ECDomainParameters spec = new ECDomainParameters(curve,
> x9.G, x9.N, x9.H);
>
> ECPrivateKeyParameters privKey = new ECPrivateKeyParameters(
> new
> BigInteger("5769183828869504557786041598510887460263120754767955773309066354712783118202294874205844512909370791582896372147797293913785865682804434049019366394746072023"),
> // d
> spec);
>
> ECPublicKeyParameters pubKey = new ECPublicKeyParameters(
> //
> curve.DecodePoint(Hex.Decode("026BFDD2C9278B63C92D6624F151C9D7A822CC75BD983B17D25D74C26740380022D3D8FAF304781E416175EADF4ED6E2B47142D2454A7AC7801DD803CF44A4D1F0AC")),
> // Q
>
> curve.DecodePoint(Hex.Decode("02006BFDD2C9278B63C92D6624F151C9D7A822CC75BD983B17D25D74C26740380022D3D8FAF304781E416175EADF4ED6E2B47142D2454A7AC7801DD803CF44A4D1F0AC")),
> // Q
> spec);
>
> Pkcs10CertificationRequest req = new
> Pkcs10CertificationRequest(
> algorithm, new X509Name("CN=XXX"), pubKey, null, privKey);
> if (!req.Verify())
> {
> //Fail("Failed Verify check EC.");
> }
>
> But when i save the PKCS10request as Base64string and open with
> certutil i encountered such error:
>
> "Signature does not match Public key: 8009310b
> Cannot decode object: ASN1 bad tag value met. 0x8009310b (ASN: 267)
> CertUtil: -dump command FAILED: 0x8009310b (ASN: 267)
> CertUtil: ASN1 bad tag value met."
>
> And the lenght of public key is 0
>
> "Public Key Length: 0 bits"
> With RSA key pair there was not such problem.
> May be anyone has encountered such error? Thanks in advance!
> --
>
> Best regards
>
> ******************
> Uzeyir G. Gurbanly
> Mobile: +994 55 6503505
> Mail: uzey...@gmail.com
>
>
>
> --
>
> Best regards
>
> ******************
> Uzeyir G. Gurbanly
> Mobile: +994 55 6503505
> Mail: uzey...@gmail.com
>
>
>
> --
>
> Best regards
>
> ******************
> Uzeyir G. Gurbanly
> Mobile: +994 55 6503505
> Mail: uzey...@gmail.com
>
