CryptoUtils (Yamcs 5.9.5-SNAPSHOT API)

java.lang.Object

org.yamcs.security.CryptoUtils

public class CryptoUtils extends Object

Nested Class Summary

Nested Classes

Modifier and Type

Class

Description

static final class

CryptoUtils.PKCE
Constructor Summary

Constructors

Constructor

Description

CryptoUtils()
Method Summary

Modifier and Type

Method

Description

static byte[]

calculateHmac(byte[] data, byte[] secret)

Calculates an hmac as specified in RFC2104.

static byte[]

calculateHmac(String data, byte[] secret)

Calculates an hmac as specified in RFC2104.

static CryptoUtils.PKCE

generatePKCE()

Generates an OAuth 2.0 Proof Key for Code Exchange (PKCE) code challenge and verifier (RFC6736)

static String

generateRandomPassword(int length)

Generates a random strong password.

static byte[]

generateRandomSecretKey()

Generates a difficult to guess random key via SecureRandom using the HmacSHA1 algorithm

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- CryptoUtils
  
  public CryptoUtils()
Method Details
- generateRandomSecretKey
  
  public static byte[] generateRandomSecretKey()
  
  Generates a difficult to guess random key via SecureRandom using the HmacSHA1 algorithm
- generateRandomPassword
  
  public static String generateRandomPassword(int length)
  
  Generates a random strong password.
- calculateHmac
  
  public static byte[] calculateHmac(String data, byte[] secret)
  
  Calculates an hmac as specified in RFC2104.
- calculateHmac
  
  public static byte[] calculateHmac(byte[] data, byte[] secret)
  
  Calculates an hmac as specified in RFC2104.
- generatePKCE
  
  public static CryptoUtils.PKCE generatePKCE()
  Generates an OAuth 2.0 Proof Key for Code Exchange (PKCE) code challenge and verifier (RFC6736)
  code_challenge = BASE64URLENCODE(SHA256(ASCII(code_verifier)))