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The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8.
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package org.bouncycastle.pqc.crypto.rainbow;
import org.bouncycastle.crypto.CipherParameters;
import org.bouncycastle.crypto.Digest;
import org.bouncycastle.crypto.digests.SHA384Digest;
import org.bouncycastle.crypto.digests.SHA512Digest;
public class RainbowParameters
implements CipherParameters
{
public static final RainbowParameters rainbowIIIclassic = new RainbowParameters("rainbow-III-classic", 3, Version.CLASSIC);
public static final RainbowParameters rainbowIIIcircumzenithal = new RainbowParameters("rainbow-III-circumzenithal", 3, Version.CIRCUMZENITHAL);
public static final RainbowParameters rainbowIIIcompressed = new RainbowParameters("rainbow-III-compressed", 3, Version.COMPRESSED);
public static final RainbowParameters rainbowVclassic = new RainbowParameters("rainbow-V-classic", 5, Version.CLASSIC);
public static final RainbowParameters rainbowVcircumzenithal = new RainbowParameters("rainbow-V-circumzenithal", 5, Version.CIRCUMZENITHAL);
public static final RainbowParameters rainbowVcompressed = new RainbowParameters("rainbow-V-compressed", 5, Version.COMPRESSED);
private final int v1;
private final int v2;
private final int o1;
private final int o2;
private final int n;
private final int m;
private static final int len_pkseed = 32;
private static final int len_skseed = 32;
private static final int len_salt = 16;
private final Digest hash_algo;
private final Version version;
private final String name;
private RainbowParameters(String name, int strength, Version version)
{
this.name = name;
switch (strength)
{
case 3:
this.v1 = 68;
this.o1 = 32;
this.o2 = 48;
this.hash_algo = new SHA384Digest();
break;
case 5:
this.v1 = 96;
this.o1 = 36;
this.o2 = 64;
this.hash_algo = new SHA512Digest();
break;
default:
throw new IllegalArgumentException(
"No valid version. Please choose one of the following: 3, 5");
}
this.v2 = v1 + o1;
this.n = v1 + o1 + o2;
this.m = o1 + o2;
this.version = version;
}
public String getName()
{
return name;
}
Version getVersion()
{
return this.version;
}
int getV1()
{
return this.v1;
}
int getO1()
{
return this.o1;
}
int getO2()
{
return this.o2;
}
Digest getHash_algo()
{
return this.hash_algo;
}
int getV2()
{
return v2;
}
int getN()
{
return n;
}
int getM()
{
return m;
}
int getLen_pkseed()
{
return len_pkseed;
}
int getLen_skseed()
{
return len_skseed;
}
int getLen_salt()
{
return len_salt;
}
}
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