nxt.crypto

## Class Crypto

- java.lang.Object
- - nxt.crypto.Crypto

-     public final class Crypto
      extends java.lang.Object

- - ### Method Summary

    All Methods Static Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `static byte[]` | `aesDecrypt(byte[] ivCiphertext, byte[] key)`
    `static byte[]` | `aesEncrypt(byte[] plaintext, byte[] key)`
    `static byte[]` | `aesGCMDecrypt(byte[] ivCiphertext, byte[] key)`
    `static byte[]` | `aesGCMEncrypt(byte[] plaintext, byte[] key)`
    `static void` | `curve(byte[] Z, byte[] k, byte[] P)`
    `static byte[]` | `getKeySeed(java.lang.String secretPhrase, byte[]... nonces)`
    `static java.security.MessageDigest` | `getMessageDigest(java.lang.String algorithm)`
    `static byte[]` | `getPrivateKey(byte[] keySeed)`
    `static byte[]` | `getPrivateKey(java.lang.String secretPhrase)`
    `static byte[]` | `getPublicKey(byte[] keySeed)`
    `static byte[]` | `getPublicKey(java.lang.String secretPhrase)`
    `static java.security.SecureRandom` | `getSecureRandom()`
    `static byte[]` | `getSharedKey(byte[] myPrivateKey, byte[] theirPublicKey)`
    `static byte[]` | `getSharedKey(byte[] myPrivateKey, byte[] theirPublicKey, byte[] nonce)`
    `static boolean` | `isCanonicalPublicKey(byte[] publicKey)`
    `static boolean` | `isCanonicalSignature(byte[] signature)`
    `static java.security.MessageDigest` | `ripemd160()`
    `static java.security.MessageDigest` | `sha256()`
    `static java.security.MessageDigest` | `sha3()`
    `static byte[]` | `sign(byte[] message, java.lang.String secretPhrase)`
    `static boolean` | `verify(byte[] signature, byte[] message, byte[] publicKey)`

    - ### Methods inherited from class java.lang.Object

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

- - ### Method Detail

    - #### getSecureRandom

          public static java.security.SecureRandom getSecureRandom()

    - #### getMessageDigest

          public static java.security.MessageDigest getMessageDigest(java.lang.String algorithm)

    - #### sha256

          public static java.security.MessageDigest sha256()

    - #### ripemd160

          public static java.security.MessageDigest ripemd160()

    - #### sha3

          public static java.security.MessageDigest sha3()

    - #### getKeySeed

          public static byte[] getKeySeed(java.lang.String secretPhrase,
                                          byte[]... nonces)

    - #### getPublicKey

          public static byte[] getPublicKey(byte[] keySeed)

    - #### getPublicKey

          public static byte[] getPublicKey(java.lang.String secretPhrase)

    - #### getPrivateKey

          public static byte[] getPrivateKey(byte[] keySeed)

    - #### getPrivateKey

          public static byte[] getPrivateKey(java.lang.String secretPhrase)

    - #### curve

          public static void curve(byte[] Z,
                                   byte[] k,
                                   byte[] P)

    - #### sign

          public static byte[] sign(byte[] message,
                                    java.lang.String secretPhrase)

    - #### verify

          public static boolean verify(byte[] signature,
                                       byte[] message,
                                       byte[] publicKey)

    - #### getSharedKey

          public static byte[] getSharedKey(byte[] myPrivateKey,
                                            byte[] theirPublicKey)

    - #### getSharedKey

          public static byte[] getSharedKey(byte[] myPrivateKey,
                                            byte[] theirPublicKey,
                                            byte[] nonce)

    - #### aesEncrypt

          public static byte[] aesEncrypt(byte[] plaintext,
                                          byte[] key)

    - #### aesGCMEncrypt

          public static byte[] aesGCMEncrypt(byte[] plaintext,
                                             byte[] key)

    - #### aesDecrypt

          public static byte[] aesDecrypt(byte[] ivCiphertext,
                                          byte[] key)

    - #### aesGCMDecrypt

          public static byte[] aesGCMDecrypt(byte[] ivCiphertext,
                                             byte[] key)

    - #### isCanonicalPublicKey

          public static boolean isCanonicalPublicKey(byte[] publicKey)

    - #### isCanonicalSignature

          public static boolean isCanonicalSignature(byte[] signature)