Package org.bouncycastle.math.ec.rfc8032

Class Ed25519.ExpandedKey

  • Enclosing class:
    Ed25519
    public static class Ed25519.ExpandedKey
extends java.lang.Object
    Methods that work with expanded format for private keys (xk/xkOff) i.e. SHA-512(seed).

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static int EXPANDED_KEY_SIZE  

    • Constructor Summary

      Constructors 
      Constructor Description
      ExpandedKey()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static void expandPrivateKey​(byte[] sk, int skOff, byte[] xk, int xkOff)  
      static void generatePrivateKey​(java.security.SecureRandom random, byte[] xk, int xkOff)  
      static Ed25519.PublicPoint generatePublicKey​(byte[] xk, int xkOff)  
      static void generatePublicKey​(byte[] xk, int xkOff, byte[] pk, int pkOff)  
      static void prune​(byte[] xk, int xkOff)  
      static void sign​(byte[] xk, int xkOff, byte[] pk, int pkOff, byte[] m, int mOff, int mLen, byte[] sig, int sigOff)  
      static void sign​(byte[] xk, int xkOff, byte[] m, int mOff, int mLen, byte[] sig, int sigOff)  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • ExpandedKey

        public ExpandedKey()

    • Method Detail

      • expandPrivateKey

        public static void expandPrivateKey​(byte[] sk,
                                    int skOff,
                                    byte[] xk,
                                    int xkOff)

      • generatePrivateKey

        public static void generatePrivateKey​(java.security.SecureRandom random,
                                      byte[] xk,
                                      int xkOff)

      • generatePublicKey

        public static void generatePublicKey​(byte[] xk,
                                     int xkOff,
                                     byte[] pk,
                                     int pkOff)

      • generatePublicKey

        public static Ed25519.PublicPoint generatePublicKey​(byte[] xk,
                                                    int xkOff)

      • prune

        public static void prune​(byte[] xk,
                         int xkOff)

      • sign

        public static void sign​(byte[] xk,
                        int xkOff,
                        byte[] m,
                        int mOff,
                        int mLen,
                        byte[] sig,
                        int sigOff)

      • sign

        public static void sign​(byte[] xk,
                        int xkOff,
                        byte[] pk,
                        int pkOff,
                        byte[] m,
                        int mOff,
                        int mLen,
                        byte[] sig,
                        int sigOff)