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java.lang.Object org.apache.commons.codec.digest.Md5Crypt
public class Md5Crypt
The libc crypt() "$1$" and Apache "$apr1$" MD5-based hash algorithm.
Based on the public domain ("beer-ware") C implementation from Poul-Henning Kamp which was found at:
crypt-md5.c @ freebsd.org
Source:
$FreeBSD: src/lib/libcrypt/crypt-md5.c,v 1.1 1999/01/21 13:50:09 brandon Exp $
Conversion to Kotlin and from there to Java in 2012.
The C style comments are from the original C code, the ones with "//" from the port.
This class is immutable and thread-safe.
Constructor Summary | |
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Md5Crypt()
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Method Summary | |
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static String |
apr1Crypt(byte[] keyBytes)
See apr1Crypt(String, String) for details. |
static String |
apr1Crypt(byte[] keyBytes,
String salt)
See apr1Crypt(String, String) for details. |
static String |
apr1Crypt(String keyBytes)
See apr1Crypt(String, String) for details. |
static String |
apr1Crypt(String keyBytes,
String salt)
Generates an Apache htpasswd compatible "$apr1$" MD5 based hash value. |
static String |
md5Crypt(byte[] keyBytes)
Generates a libc6 crypt() compatible "$1$" hash value. |
static String |
md5Crypt(byte[] keyBytes,
String salt)
Generates a libc crypt() compatible "$1$" MD5 based hash value. |
static String |
md5Crypt(byte[] keyBytes,
String salt,
String prefix)
Generates a libc6 crypt() "$1$" or Apache htpasswd "$apr1$" hash value. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Md5Crypt()
Method Detail |
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public static String apr1Crypt(byte[] keyBytes)
apr1Crypt(String, String)
for details.
RuntimeException
- when a NoSuchAlgorithmException
is caught. *public static String apr1Crypt(byte[] keyBytes, String salt)
apr1Crypt(String, String)
for details.
IllegalArgumentException
- if the salt does not match the allowed pattern
RuntimeException
- when a NoSuchAlgorithmException
is caught.public static String apr1Crypt(String keyBytes)
apr1Crypt(String, String)
for details.
RuntimeException
- when a NoSuchAlgorithmException
is caught.public static String apr1Crypt(String keyBytes, String salt)
The algorithm is identical to the crypt(3) "$1$" one but produces different outputs due to the different salt prefix.
keyBytes
- plaintext string that should be hashed.salt
- salt string including the prefix and optionally garbage at the end. Will be generated randomly if
null.
IllegalArgumentException
- if the salt does not match the allowed pattern
RuntimeException
- when a NoSuchAlgorithmException
is caught.public static String md5Crypt(byte[] keyBytes)
See Crypt.crypt(String, String)
for details.
RuntimeException
- when a NoSuchAlgorithmException
is caught.public static String md5Crypt(byte[] keyBytes, String salt)
See Crypt.crypt(String, String)
for details.
keyBytes
- plaintext string that should be hashed.salt
- salt string including the prefix and optionally garbage at the end. Will be generated randomly if
null.
IllegalArgumentException
- if the salt does not match the allowed pattern
RuntimeException
- when a NoSuchAlgorithmException
is caught.public static String md5Crypt(byte[] keyBytes, String salt, String prefix)
See Crypt.crypt(String, String)
or apr1Crypt(String, String)
for details.
IllegalArgumentException
- if the salt does not match the allowed pattern
RuntimeException
- when a NoSuchAlgorithmException
is caught.
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