diff options
Diffstat (limited to 'prov/src/main/java/org/spongycastle/pqc/jcajce/spec/McEliecePublicKeySpec.java')
-rw-r--r-- | prov/src/main/java/org/spongycastle/pqc/jcajce/spec/McEliecePublicKeySpec.java | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/prov/src/main/java/org/spongycastle/pqc/jcajce/spec/McEliecePublicKeySpec.java b/prov/src/main/java/org/spongycastle/pqc/jcajce/spec/McEliecePublicKeySpec.java new file mode 100644 index 00000000..14797446 --- /dev/null +++ b/prov/src/main/java/org/spongycastle/pqc/jcajce/spec/McEliecePublicKeySpec.java @@ -0,0 +1,91 @@ +package org.spongycastle.pqc.jcajce.spec; + + +import java.security.spec.KeySpec; + +import org.spongycastle.pqc.math.linearalgebra.GF2Matrix; + +/** + * This class provides a specification for a McEliece public key. + * + * @see org.spongycastle.pqc.jcajce.provider.mceliece.BCMcEliecePublicKey + */ +public class McEliecePublicKeySpec + implements KeySpec +{ + + // the OID of the algorithm + private String oid; + + // the length of the code + private int n; + + // the error correction capability of the code + private int t; + + // the generator matrix + private GF2Matrix g; + + /** + * Constructor (used by {@link org.spongycastle.pqc.jcajce.provider.mceliece.McElieceKeyFactorySpi}). + * + * @param oid + * @param n the length of the code + * @param t the error correction capability of the code + * @param g the generator matrix + */ + public McEliecePublicKeySpec(String oid, int n, int t, GF2Matrix g) + { + this.oid = oid; + this.n = n; + this.t = t; + this.g = new GF2Matrix(g); + } + + /** + * Constructor (used by {@link org.spongycastle.pqc.jcajce.provider.mceliece.McElieceKeyFactorySpi}). + * + * @param oid + * @param n the length of the code + * @param t the error correction capability of the code + * @param encG the encoded generator matrix + */ + public McEliecePublicKeySpec(String oid, int t, int n, byte[] encG) + { + this.oid = oid; + this.n = n; + this.t = t; + this.g = new GF2Matrix(encG); + } + + /** + * @return the length of the code + */ + public int getN() + { + return n; + } + + /** + * @return the error correction capability of the code + */ + public int getT() + { + return t; + } + + /** + * @return the generator matrix + */ + public GF2Matrix getG() + { + return g; + } + + public String getOIDString() + { + return oid; + + } + +} |