GenerateSubjectKeyIdentifierFromPublicKey()

static byte[] System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension.GenerateSubjectKeyIdentifierFromPublicKey ( PublicKey key, X509SubjectKeyIdentifierHashAlgorithm algorithm )

inlinestaticprivate

Definition at line 98 of file X509SubjectKeyIdentifierExtension.cs.

    {
        switch (algorithm)
        {
        case X509SubjectKeyIdentifierHashAlgorithm.Sha1:
            return SHA1.HashData(key.EncodedKeyValue.RawData);
        case X509SubjectKeyIdentifierHashAlgorithm.ShortSha1:
        {
            byte[] array = SHA1.HashData(key.EncodedKeyValue.RawData);
            byte[] array2 = new byte[8];
            Buffer.BlockCopy(array, array.Length - 8, array2, 0, array2.Length);
            array2[0] &= 15;
            array2[0] |= 64;
            return array2;
        }
        case X509SubjectKeyIdentifierHashAlgorithm.CapiSha1:
            return X509Pal.Instance.ComputeCapiSha1OfPublicKey(key);
        default:
            throw new ArgumentException(System.SR.Format(System.SR.Arg_EnumIllegalVal, algorithm), "algorithm");
        }
    }

References System.SR.Arg_EnumIllegalVal, System.array, System.Buffer.BlockCopy(), System.SR.Format(), System.Security.Cryptography.SHA1.HashData(), Internal.Cryptography.Pal.X509Pal.Instance, and System.key.

Referenced by System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension.EncodeExtension().