Package com.github.toolarium.security.util

Class CryptoHashUtil

  • public final class CryptoHashUtil
extends java.lang.Object
    This util class provides a fassade to the cryptographic hash functions of the java API.

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      byte[] createHash​(java.lang.String algorithm, byte[] in)
      Creates an message digest of the given algorithm for the given input.
      byte[] createHash​(java.lang.String provider, java.lang.String algorithm, byte[] in)
      Creates an message digest of the given algorithm for the given input
      byte[] createHashWithKey​(java.lang.String provider, byte[] inputKey, byte[] in)
      Creates an message digest of the given algorithm for the given input
      static CryptoHashUtil getInstance()
      Get the instance
      byte[] md5​(byte[] in)
      Creates an MD5 message digest for the given input.
      byte[] sha1​(byte[] in)
      Creates an SHA1 message digest for the given input.
      byte[] sha256​(byte[] in)
      Creates an SHA-256 message digest for the given input.
      byte[] sha512​(byte[] in)
      Creates an SHA-512 message digest for the given input.

      • Methods inherited from class java.lang.Object

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

    • Method Detail

      • getInstance

        public static CryptoHashUtil getInstance()
        Get the instance
        Returns:
        the instance

      • md5

        public byte[] md5​(byte[] in)
           throws java.security.GeneralSecurityException
        Creates an MD5 message digest for the given input.
        Parameters:
        in - the input
        Returns:
        the md5 message digest for the input
        Throws:
        java.security.GeneralSecurityException - in case of error

      • sha1

        public byte[] sha1​(byte[] in)
            throws java.security.GeneralSecurityException
        Creates an SHA1 message digest for the given input.
        Parameters:
        in - the input
        Returns:
        the SHA1 message digest for the input
        Throws:
        java.security.GeneralSecurityException - in case of error

      • sha256

        public byte[] sha256​(byte[] in)
              throws java.security.GeneralSecurityException
        Creates an SHA-256 message digest for the given input. This should be your best choice to verify signatures and certificates.
        Parameters:
        in - the input
        Returns:
        the SHA-256 message digest for the input
        Throws:
        java.security.GeneralSecurityException - in case of error

      • sha512

        public byte[] sha512​(byte[] in)
              throws java.security.GeneralSecurityException
        Creates an SHA-512 message digest for the given input.
        Parameters:
        in - the input
        Returns:
        the SHA-256 message digest for the input
        Throws:
        java.security.GeneralSecurityException - in case of error

      • createHash

        public byte[] createHash​(java.lang.String algorithm,
                         byte[] in)
                  throws java.security.GeneralSecurityException
        Creates an message digest of the given algorithm for the given input.
        Parameters:
        algorithm - the name of the digest algorithm to use
        in - the input
        Returns:
        the message digest for the input
        Throws:
        java.security.GeneralSecurityException - in case of error

      • createHash

        public byte[] createHash​(java.lang.String provider,
                         java.lang.String algorithm,
                         byte[] in)
                  throws java.security.GeneralSecurityException
        Creates an message digest of the given algorithm for the given input
        Parameters:
        provider - the provider to use
        algorithm - the name of the digest algorithm to use
        in - the input
        Returns:
        the message digest for the input
        Throws:
        java.security.GeneralSecurityException - in case of error

      • createHashWithKey

        public byte[] createHashWithKey​(java.lang.String provider,
                                byte[] inputKey,
                                byte[] in)
                         throws java.security.GeneralSecurityException
        Creates an message digest of the given algorithm for the given input
        Parameters:
        provider - the provider to use
        inputKey - the key
        in - the input message
        Returns:
        the message digest
        Throws:
        java.security.GeneralSecurityException - in case of error
        UnsupportedEncodingException - in case of error