// Builds a DNSKEY record from a PublicKey
// https://www.iana.org/assignments/dns-sec-alg-numbers/dns-sec-alg-numbers.xhtml
public static byte[] fromPublicKey(PublicKey key, ARSoft.Tools.Net.Dns.DnsSecAlgorithm alg) // throws DNSSECException
{
switch (alg)
{
case ARSoft.Tools.Net.Dns.DnsSecAlgorithm.RsaMd5:
case ARSoft.Tools.Net.Dns.DnsSecAlgorithm.RsaSha1:
case ARSoft.Tools.Net.Dns.DnsSecAlgorithm.RsaSha1Nsec3Sha1:
case ARSoft.Tools.Net.Dns.DnsSecAlgorithm.RsaSha256:
case ARSoft.Tools.Net.Dns.DnsSecAlgorithm.RsaSha512:
if (!(key is RSAPublicKey))
{
throw new IncompatibleKeyException();
}
return(fromRSAPublicKey((RSAPublicKey)key));
case ARSoft.Tools.Net.Dns.DnsSecAlgorithm.Dsa:
case ARSoft.Tools.Net.Dns.DnsSecAlgorithm.DsaNsec3Sha1:
if (!(key is DSAPublicKey))
{
throw new IncompatibleKeyException();
}
return(fromDSAPublicKey((DSAPublicKey)key));
case ARSoft.Tools.Net.Dns.DnsSecAlgorithm.EccGost:
if (!(key is ECPublicKey))
{
throw new IncompatibleKeyException();
}
return(fromECGOSTPublicKey((ECPublicKey)key, ECKeyInfo.GOST));
case ARSoft.Tools.Net.Dns.DnsSecAlgorithm.EcDsaP256Sha256:
if (!(key is ECPublicKey))
{
throw new IncompatibleKeyException();
}
return(fromECDSAPublicKey((ECPublicKey)key, ECKeyInfo.ECDSA_P256));
case ARSoft.Tools.Net.Dns.DnsSecAlgorithm.EcDsaP384Sha384:
if (!(key is ECPublicKey))
{
throw new IncompatibleKeyException();
}
return(fromECDSAPublicKey((ECPublicKey)key, ECKeyInfo.ECDSA_P384));
default:
throw new UnsupportedAlgorithmException(alg);
}
} // End Function fromPublicKey
// Converts a KEY/DNSKEY record into a PublicKey
// https://www.iana.org/assignments/dns-sec-alg-numbers/dns-sec-alg-numbers.xhtml
public static PublicKey toPublicKey(byte[] keyBytes, ARSoft.Tools.Net.Dns.DnsSecAlgorithm algorithm) // throws DNSSECException
{
try
{
switch (algorithm)
{
case ARSoft.Tools.Net.Dns.DnsSecAlgorithm.RsaMd5:
case ARSoft.Tools.Net.Dns.DnsSecAlgorithm.RsaSha1:
case ARSoft.Tools.Net.Dns.DnsSecAlgorithm.RsaSha1Nsec3Sha1:
case ARSoft.Tools.Net.Dns.DnsSecAlgorithm.RsaSha256:
case ARSoft.Tools.Net.Dns.DnsSecAlgorithm.RsaSha512:
return(toRSAPublicKey(keyBytes));
case ARSoft.Tools.Net.Dns.DnsSecAlgorithm.Dsa:
case ARSoft.Tools.Net.Dns.DnsSecAlgorithm.DsaNsec3Sha1:
return(toDSAPublicKey(keyBytes));
case ARSoft.Tools.Net.Dns.DnsSecAlgorithm.EccGost:
return(toECGOSTPublicKey(keyBytes, ECKeyInfo.GOST));
case ARSoft.Tools.Net.Dns.DnsSecAlgorithm.EcDsaP256Sha256:
return(toECDSAPublicKey(keyBytes, ECKeyInfo.ECDSA_P256));
case ARSoft.Tools.Net.Dns.DnsSecAlgorithm.EcDsaP384Sha384:
return(toECDSAPublicKey(keyBytes, ECKeyInfo.ECDSA_P384));
default:
throw new UnsupportedAlgorithmException(algorithm);
}
}
catch (System.IO.IOException e)
{
throw new MalformedKeyException(keyBytes, algorithm, e);
}
catch (Org.BouncyCastle.Security.GeneralSecurityException e)
{
throw new DNSSECException(e);
}
} // End Function toPublicKey
public MalformedKeyException(byte[] r, ARSoft.Tools.Net.Dns.DnsSecAlgorithm algorithm, System.IO.IOException e)
{
}
public MalformedKeyException(byte[] r, ARSoft.Tools.Net.Dns.DnsSecAlgorithm algorithm)
{
}
public UnsupportedAlgorithmException(ARSoft.Tools.Net.Dns.DnsSecAlgorithm alg)
{
}
public KEYBase(byte[] key, ARSoft.Tools.Net.Dns.DnsSecAlgorithm algorithm)
{
this.m_key = key;
this.m_algorithm = (int)algorithm;
}
