Package org.apache.commons.codec.digest
Class Sha2Crypt
- java.lang.Object
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- org.apache.commons.codec.digest.Sha2Crypt
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public class Sha2Crypt extends java.lang.Object
SHA2-based Unix crypt implementation.Based on the C implementation released into the Public Domain by Ulrich Drepper <drepper@redhat.com> http://www.akkadia.org/drepper/SHA-crypt.txt
Conversion to Kotlin and from there to Java in 2012 by Christian Hammers <ch@lathspell.de> and likewise put into the Public Domain.
This class is immutable and thread-safe.
- Since:
- 1.7
- Version:
- $Id: Sha2Crypt.java 1744746 2016-05-20 14:19:43Z sebb $
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Constructor Summary
Constructors Constructor Description Sha2Crypt()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static java.lang.String
sha256Crypt(byte[] keyBytes)
Generates a libc crypt() compatible "$5$" hash value with random salt.static java.lang.String
sha256Crypt(byte[] keyBytes, java.lang.String salt)
Generates a libc6 crypt() compatible "$5$" hash value.static java.lang.String
sha512Crypt(byte[] keyBytes)
Generates a libc crypt() compatible "$6$" hash value with random salt.static java.lang.String
sha512Crypt(byte[] keyBytes, java.lang.String salt)
Generates a libc6 crypt() compatible "$6$" hash value.
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Constructor Detail
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Sha2Crypt
public Sha2Crypt()
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Method Detail
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sha256Crypt
public static java.lang.String sha256Crypt(byte[] keyBytes)
Generates a libc crypt() compatible "$5$" hash value with random salt.See
Crypt.crypt(String, String)
for details.- Parameters:
keyBytes
- plaintext to hash- Returns:
- complete hash value
- Throws:
java.lang.RuntimeException
- when aNoSuchAlgorithmException
is caught.
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sha256Crypt
public static java.lang.String sha256Crypt(byte[] keyBytes, java.lang.String salt)
Generates a libc6 crypt() compatible "$5$" hash value.See
Crypt.crypt(String, String)
for details.- Parameters:
keyBytes
- plaintext to hashsalt
- real salt value without prefix or "rounds="- Returns:
- complete hash value including salt
- Throws:
java.lang.IllegalArgumentException
- if the salt does not match the allowed patternjava.lang.RuntimeException
- when aNoSuchAlgorithmException
is caught.
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sha512Crypt
public static java.lang.String sha512Crypt(byte[] keyBytes)
Generates a libc crypt() compatible "$6$" hash value with random salt.See
Crypt.crypt(String, String)
for details.- Parameters:
keyBytes
- plaintext to hash- Returns:
- complete hash value
- Throws:
java.lang.RuntimeException
- when aNoSuchAlgorithmException
is caught.
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sha512Crypt
public static java.lang.String sha512Crypt(byte[] keyBytes, java.lang.String salt)
Generates a libc6 crypt() compatible "$6$" hash value.See
Crypt.crypt(String, String)
for details.- Parameters:
keyBytes
- plaintext to hashsalt
- real salt value without prefix or "rounds="- Returns:
- complete hash value including salt
- Throws:
java.lang.IllegalArgumentException
- if the salt does not match the allowed patternjava.lang.RuntimeException
- when aNoSuchAlgorithmException
is caught.
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