| static private SegmentedEncodeBitString ( byte data ) : byte[][] | ||
| data | byte | The data to encode |
| Результат | byte[][] | |
internal static byte[] ToSubjectPublicKeyInfo(this DSAParameters parameters)
{
// SubjectPublicKeyInfo::= SEQUENCE {
// algorithm AlgorithmIdentifier,
// subjectPublicKey BIT STRING }
// Dss-Parms ::= SEQUENCE {
// p INTEGER,
// q INTEGER,
// g INTEGER
// }
return(DerEncoder.ConstructSequence(
DerEncoder.ConstructSegmentedSequence(
DerEncoder.SegmentedEncodeOid(s_idDsa),
DerEncoder.ConstructSegmentedSequence(
DerEncoder.SegmentedEncodeUnsignedInteger(parameters.P),
DerEncoder.SegmentedEncodeUnsignedInteger(parameters.Q),
DerEncoder.SegmentedEncodeUnsignedInteger(parameters.G)
)
),
DerEncoder.SegmentedEncodeBitString(
DerEncoder.SegmentedEncodeUnsignedInteger(parameters.Y))
));
}
internal static byte[] ToPrivateKeyBlob(this ECParameters parameters)
{
parameters.Validate();
if (!parameters.Curve.IsNamed)
{
throw new PlatformNotSupportedException(SR.Cryptography_ECC_NamedCurvesOnly);
}
byte[] pointBlob = GetPointBlob(ref parameters);
// ECPrivateKey{CURVES:IOSet} ::= SEQUENCE {
// version INTEGER { ecPrivkeyVer1(1) } (ecPrivkeyVer1),
// privateKey OCTET STRING,
// parameters [0] Parameters{{IOSet}} OPTIONAL,
// publicKey [1] BIT STRING OPTIONAL
// }
return(DerEncoder.ConstructSequence(
s_encodedVersion1,
DerEncoder.SegmentedEncodeOctetString(parameters.D),
DerEncoder.ConstructSegmentedContextSpecificValue(
0,
DerEncoder.SegmentedEncodeOid(parameters.Curve.Oid)),
DerEncoder.ConstructSegmentedContextSpecificValue(
1,
DerEncoder.SegmentedEncodeBitString(pointBlob))));
}
internal static byte[] ToSubjectPublicKeyInfo(this RSAParameters parameters)
{
Debug.Assert(parameters.D == null);
// SubjectPublicKeyInfo::= SEQUENCE {
// algorithm AlgorithmIdentifier,
// subjectPublicKey BIT STRING }
return(DerEncoder.ConstructSequence(
s_encodedRsaAlgorithmIdentifier,
DerEncoder.SegmentedEncodeBitString(
parameters.ToPkcs1Blob())));
}
internal static byte[] ToSubjectPublicKeyInfo(this ECParameters parameters)
{
parameters.Validate();
if (!parameters.Curve.IsNamed)
{
throw new PlatformNotSupportedException(SR.Cryptography_ECC_NamedCurvesOnly);
}
byte[] pointBlob = GetPointBlob(ref parameters);
return(DerEncoder.ConstructSequence(
DerEncoder.ConstructSegmentedSequence(
s_encodedIdEcPublicKey,
DerEncoder.SegmentedEncodeOid(parameters.Curve.Oid)),
DerEncoder.SegmentedEncodeBitString(pointBlob)));
}
