org.apache.milagro.amcl.SECP256K1

Class ECDH

java.lang.Object

org.apache.milagro.amcl.SECP256K1.ECDH

public final class ECDH
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	EFS
static int	EGS
static int	ERROR
static int	INVALID
static int	INVALID_PUBLIC_KEY

Constructor Summary

Constructors

Constructor and Description
ECDH()

Method Summary

Modifier and Type	Method and Description
static byte[]	AES_CBC_IV0_DECRYPT(byte[] K, byte[] C)
static byte[]	AES_CBC_IV0_ENCRYPT(byte[] K, byte[] M)
static byte[]	ECIES_DECRYPT(int sha, byte[] P1, byte[] P2, byte[] V, byte[] C, byte[] T, byte[] U)
static byte[]	ECIES_ENCRYPT(int sha, byte[] P1, byte[] P2, RAND RNG, byte[] W, byte[] M, byte[] V, byte[] T)
static byte[]	hashit(int sha, byte[] A, int n, byte[] B, int pad)
static int	HMAC(int sha, byte[] M, byte[] K, byte[] tag)
static byte[]	inttoBytes(int n, int len)
static byte[]	KDF1(int sha, byte[] Z, int olen)
static byte[]	KDF2(int sha, byte[] Z, byte[] P, int olen)
static int	KEY_PAIR_GENERATE(RAND RNG, byte[] S, byte[] W)
static byte[]	PBKDF2(int sha, byte[] Pass, byte[] Salt, int rep, int olen)
static int	PUBLIC_KEY_VALIDATE(byte[] W)
static int	SP_DSA(int sha, RAND RNG, byte[] S, byte[] F, byte[] C, byte[] D)
static int	SVDP_DH(byte[] S, byte[] WD, byte[] Z)
static int	VP_DSA(int sha, byte[] W, byte[] F, byte[] C, byte[] D)

Methods inherited from class java.lang.Object

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

Field Detail

INVALID_PUBLIC_KEY

public static final int INVALID_PUBLIC_KEY

See Also:

Constant Field Values

ERROR

public static final int ERROR

See Also:

Constant Field Values

INVALID

public static final int INVALID

See Also:

Constant Field Values

EFS

public static final int EFS

See Also:

Constant Field Values

EGS

public static final int EGS

See Also:

Constant Field Values

Constructor Detail

ECDH

public ECDH()

Method Detail

inttoBytes

public static byte[] inttoBytes(int n,
                                int len)

hashit

public static byte[] hashit(int sha,
                            byte[] A,
                            int n,
                            byte[] B,
                            int pad)

KDF1

public static byte[] KDF1(int sha,
                          byte[] Z,
                          int olen)

KDF2

public static byte[] KDF2(int sha,
                          byte[] Z,
                          byte[] P,
                          int olen)

PBKDF2

public static byte[] PBKDF2(int sha,
                            byte[] Pass,
                            byte[] Salt,
                            int rep,
                            int olen)

HMAC

public static int HMAC(int sha,
                       byte[] M,
                       byte[] K,
                       byte[] tag)

AES_CBC_IV0_ENCRYPT

public static byte[] AES_CBC_IV0_ENCRYPT(byte[] K,
                                         byte[] M)

AES_CBC_IV0_DECRYPT

public static byte[] AES_CBC_IV0_DECRYPT(byte[] K,
                                         byte[] C)

KEY_PAIR_GENERATE

public static int KEY_PAIR_GENERATE(RAND RNG,
                                    byte[] S,
                                    byte[] W)

PUBLIC_KEY_VALIDATE

public static int PUBLIC_KEY_VALIDATE(byte[] W)

SVDP_DH

public static int SVDP_DH(byte[] S,
                          byte[] WD,
                          byte[] Z)

SP_DSA

public static int SP_DSA(int sha,
                         RAND RNG,
                         byte[] S,
                         byte[] F,
                         byte[] C,
                         byte[] D)

VP_DSA

public static int VP_DSA(int sha,
                         byte[] W,
                         byte[] F,
                         byte[] C,
                         byte[] D)

ECIES_ENCRYPT

public static byte[] ECIES_ENCRYPT(int sha,
                                   byte[] P1,
                                   byte[] P2,
                                   RAND RNG,
                                   byte[] W,
                                   byte[] M,
                                   byte[] V,
                                   byte[] T)

ECIES_DECRYPT

public static byte[] ECIES_DECRYPT(int sha,
                                   byte[] P1,
                                   byte[] P2,
                                   byte[] V,
                                   byte[] C,
                                   byte[] T,
                                   byte[] U)