/// <summary>
/// Writes a key to the specified stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="parameters">The RSA parameters of the key.</param>
protected override void WriteCore(Stream stream, RSAParameters parameters)
{
Requires.NotNull(stream, "stream");
var rootElement = new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Constructed,
Asn.BerTag.Sequence,
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Constructed,
Asn.BerTag.Sequence,
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Primitive,
Asn.BerTag.ObjectIdentifier,
Pkcs1KeyFormatter.RsaEncryptionObjectIdentifier),
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Primitive,
Asn.BerTag.Null,
new byte[0])),
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Primitive,
Asn.BerTag.BitString,
PrependLeadingZero(KeyFormatter.Pkcs1PrependZeros.Write(parameters, includePrivateKey: false), alwaysPrependZero: true)));
stream.WriteAsn1Element(rootElement);
}
/// <summary>
/// Reads a key from the specified stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <returns>
/// The RSA Parameters of the key.
/// </returns>
protected override RSAParameters ReadCore(Stream stream)
{
var universalConstructedSequence = stream.ReadAsn1Elements().Single();
var sequence = Asn.ReadAsn1Elements(universalConstructedSequence.Content).ToList();
KeyFormatter.VerifyFormat(sequence[0].Content.Length == 1 && sequence[0].Content[0] == 0x00, Strings.UnrecognizedVersion);
Asn.DataElement oid = Asn.ReadAsn1Elements(sequence[1].Content).First();
KeyFormatter.VerifyFormat(X509SubjectPublicKeyInfoFormatter.BufferEqual(oid.Content, Pkcs1KeyFormatter.RsaEncryptionObjectIdentifier), Strings.UnrecognizedObjectIdentifier);
return(KeyFormatter.Pkcs1.Read(sequence[2].Content));
}
/// <summary>
/// Writes a key to the specified stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="parameters">The RSA parameters of the key.</param>
protected override void WriteCore(Stream stream, RSAParameters parameters)
{
var rootElement = new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Constructed,
Asn.BerTag.Sequence,
new Asn.DataElement( // Version 0
Asn.BerClass.Universal,
Asn.BerPC.Primitive,
Asn.BerTag.Integer,
new byte[] { 0x00 }),
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Constructed,
Asn.BerTag.Sequence,
new Asn.DataElement( // privateKeyAlgorithm
Asn.BerClass.Universal,
Asn.BerPC.Primitive,
Asn.BerTag.ObjectIdentifier,
Pkcs1KeyFormatter.RsaEncryptionObjectIdentifier),
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Primitive,
Asn.BerTag.Null,
new byte[0])),
new Asn.DataElement( // rsaPrivateKey
Asn.BerClass.Universal,
Asn.BerPC.Primitive,
Asn.BerTag.OctetString,
KeyFormatter.Pkcs1PrependZeros.Write(parameters, HasPrivateKey(parameters))),
new Asn.DataElement(
Asn.BerClass.ContextSpecific,
Asn.BerPC.Constructed,
Asn.BerTag.EndOfContent,
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Constructed,
Asn.BerTag.Sequence,
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Primitive,
Asn.BerTag.ObjectIdentifier,
new byte[] { 0x55, 0x1d, 0x0f }),
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Constructed,
Asn.BerTag.SetAndSetOf,
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Primitive,
Asn.BerTag.BitString,
new byte[] { 0x00, 0x10 })))));
Asn.WriteAsn1Element(stream, rootElement);
}
/// <summary>
/// Writes a key to the specified stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="parameters">The RSA parameters of the key.</param>
protected override void WriteCore(Stream stream, RSAParameters parameters)
{
var version0 = new Asn.DataElement(Asn.BerClass.Universal, Asn.BerPC.Primitive, Asn.BerTag.Integer, new byte[] { 0x00 });
var privateKeyAlgorithm = new Asn.DataElement(Asn.BerClass.Universal, Asn.BerPC.Primitive, Asn.BerTag.ObjectIdentifier, RsaEncryptionObjectIdentifier);
var rsaPrivateKey = new Asn.DataElement(Asn.BerClass.Universal, Asn.BerPC.Primitive, Asn.BerTag.OctetString, Pkcs1.Write(parameters, HasPrivateKey(parameters)));
var rootElement = new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Constructed,
Asn.BerTag.Sequence,
version0,
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Constructed,
Asn.BerTag.Sequence,
privateKeyAlgorithm,
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Primitive,
Asn.BerTag.Null,
Array.Empty <byte>())),
rsaPrivateKey,
new Asn.DataElement(
Asn.BerClass.ContextSpecific,
Asn.BerPC.Constructed,
Asn.BerTag.EndOfContent,
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Constructed,
Asn.BerTag.Sequence,
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Primitive,
Asn.BerTag.ObjectIdentifier,
new byte[] { 0x55, 0x1d, 0x0f }),
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Constructed,
Asn.BerTag.SetAndSetOf,
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Primitive,
Asn.BerTag.BitString,
new byte[] { 0x00, 0x10 })))));
Asn.WriteAsn1Element(stream, rootElement);
}
/// <summary>
/// Writes a key to the specified stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="parameters">The RSA parameters of the key.</param>
protected override void WriteCore(Stream stream, RSAParameters parameters)
{
Requires.NotNull(stream, "stream");
var rootElement = new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Constructed,
Asn.BerTag.Sequence,
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Constructed,
Asn.BerTag.Sequence,
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Primitive,
Asn.BerTag.ObjectIdentifier,
Pkcs1KeyFormatter.RsaEncryptionObjectIdentifier),
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Primitive,
Asn.BerTag.Null,
new byte[0])),
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Primitive,
Asn.BerTag.BitString,
PrependLeadingZero(KeyFormatter.Pkcs1PrependZeros.Write(parameters, includePrivateKey: false), alwaysPrependZero: true)));
stream.WriteAsn1Element(rootElement);
}
/// <summary>
/// Writes a key to the specified stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="parameters">The RSA parameters of the key.</param>
protected override void WriteCore(Stream stream, RSAParameters parameters)
{
var rootElement = new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Constructed,
Asn.BerTag.Sequence,
new Asn.DataElement( // Version 0
Asn.BerClass.Universal,
Asn.BerPC.Primitive,
Asn.BerTag.Integer,
new byte[] { 0x00 }),
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Constructed,
Asn.BerTag.Sequence,
new Asn.DataElement( // privateKeyAlgorithm
Asn.BerClass.Universal,
Asn.BerPC.Primitive,
Asn.BerTag.ObjectIdentifier,
Pkcs1KeyFormatter.RsaEncryptionObjectIdentifier),
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Primitive,
Asn.BerTag.Null,
new byte[0])),
new Asn.DataElement( // rsaPrivateKey
Asn.BerClass.Universal,
Asn.BerPC.Primitive,
Asn.BerTag.OctetString,
KeyFormatter.Pkcs1PrependZeros.Write(parameters, HasPrivateKey(parameters))),
new Asn.DataElement(
Asn.BerClass.ContextSpecific,
Asn.BerPC.Constructed,
Asn.BerTag.EndOfContent,
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Constructed,
Asn.BerTag.Sequence,
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Primitive,
Asn.BerTag.ObjectIdentifier,
new byte[] { 0x55, 0x1d, 0x0f }),
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Constructed,
Asn.BerTag.SetAndSetOf,
new Asn.DataElement(
Asn.BerClass.Universal,
Asn.BerPC.Primitive,
Asn.BerTag.BitString,
new byte[] { 0x00, 0x10 })))));
Asn.WriteAsn1Element(stream, rootElement);
}