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java.lang.Objectorg.apache.commons.codec.digest.DigestUtils
public class DigestUtils
Operations to simplify common MessageDigest
tasks. This class is thread safe.
Field Summary | |
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private static int |
STREAM_BUFFER_LENGTH
|
Constructor Summary | |
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DigestUtils()
|
Method Summary | |
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private static byte[] |
digest(java.security.MessageDigest digest,
java.io.InputStream data)
Read through an InputStream and returns the digest for the data |
private static byte[] |
getBytesUtf8(java.lang.String data)
Calls StringUtils.getBytesUtf8(String) |
(package private) static java.security.MessageDigest |
getDigest(java.lang.String algorithm)
Returns a MessageDigest for the given algorithm . |
private static java.security.MessageDigest |
getMd5Digest()
Returns an MD5 MessageDigest. |
private static java.security.MessageDigest |
getSha256Digest()
Returns an SHA-256 digest. |
private static java.security.MessageDigest |
getSha384Digest()
Returns an SHA-384 digest. |
private static java.security.MessageDigest |
getSha512Digest()
Returns an SHA-512 digest. |
private static java.security.MessageDigest |
getShaDigest()
Returns an SHA-1 digest. |
static byte[] |
md5(byte[] data)
Calculates the MD5 digest and returns the value as a 16 element byte[] . |
static byte[] |
md5(java.io.InputStream data)
Calculates the MD5 digest and returns the value as a 16 element byte[] . |
static byte[] |
md5(java.lang.String data)
Calculates the MD5 digest and returns the value as a 16 element byte[] . |
static java.lang.String |
md5Hex(byte[] data)
Calculates the MD5 digest and returns the value as a 32 character hex string. |
static java.lang.String |
md5Hex(java.io.InputStream data)
Calculates the MD5 digest and returns the value as a 32 character hex string. |
static java.lang.String |
md5Hex(java.lang.String data)
Calculates the MD5 digest and returns the value as a 32 character hex string. |
static byte[] |
sha(byte[] data)
Calculates the SHA-1 digest and returns the value as a byte[] . |
static byte[] |
sha(java.io.InputStream data)
Calculates the SHA-1 digest and returns the value as a byte[] . |
static byte[] |
sha(java.lang.String data)
Calculates the SHA-1 digest and returns the value as a byte[] . |
static byte[] |
sha256(byte[] data)
Calculates the SHA-256 digest and returns the value as a byte[] . |
static byte[] |
sha256(java.io.InputStream data)
Calculates the SHA-256 digest and returns the value as a byte[] . |
static byte[] |
sha256(java.lang.String data)
Calculates the SHA-256 digest and returns the value as a byte[] . |
static java.lang.String |
sha256Hex(byte[] data)
Calculates the SHA-256 digest and returns the value as a hex string. |
static java.lang.String |
sha256Hex(java.io.InputStream data)
Calculates the SHA-256 digest and returns the value as a hex string. |
static java.lang.String |
sha256Hex(java.lang.String data)
Calculates the SHA-256 digest and returns the value as a hex string. |
static byte[] |
sha384(byte[] data)
Calculates the SHA-384 digest and returns the value as a byte[] . |
static byte[] |
sha384(java.io.InputStream data)
Calculates the SHA-384 digest and returns the value as a byte[] . |
static byte[] |
sha384(java.lang.String data)
Calculates the SHA-384 digest and returns the value as a byte[] . |
static java.lang.String |
sha384Hex(byte[] data)
Calculates the SHA-384 digest and returns the value as a hex string. |
static java.lang.String |
sha384Hex(java.io.InputStream data)
Calculates the SHA-384 digest and returns the value as a hex string. |
static java.lang.String |
sha384Hex(java.lang.String data)
Calculates the SHA-384 digest and returns the value as a hex string. |
static byte[] |
sha512(byte[] data)
Calculates the SHA-512 digest and returns the value as a byte[] . |
static byte[] |
sha512(java.io.InputStream data)
Calculates the SHA-512 digest and returns the value as a byte[] . |
static byte[] |
sha512(java.lang.String data)
Calculates the SHA-512 digest and returns the value as a byte[] . |
static java.lang.String |
sha512Hex(byte[] data)
Calculates the SHA-512 digest and returns the value as a hex string. |
static java.lang.String |
sha512Hex(java.io.InputStream data)
Calculates the SHA-512 digest and returns the value as a hex string. |
static java.lang.String |
sha512Hex(java.lang.String data)
Calculates the SHA-512 digest and returns the value as a hex string. |
static java.lang.String |
shaHex(byte[] data)
Calculates the SHA-1 digest and returns the value as a hex string. |
static java.lang.String |
shaHex(java.io.InputStream data)
Calculates the SHA-1 digest and returns the value as a hex string. |
static java.lang.String |
shaHex(java.lang.String data)
Calculates the SHA-1 digest and returns the value as a hex string. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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private static final int STREAM_BUFFER_LENGTH
Constructor Detail |
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public DigestUtils()
Method Detail |
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private static byte[] digest(java.security.MessageDigest digest, java.io.InputStream data) throws java.io.IOException
digest
- The MessageDigest to use (e.g. MD5)data
- Data to digest
java.io.IOException
- On error reading from the streamprivate static byte[] getBytesUtf8(java.lang.String data)
StringUtils.getBytesUtf8(String)
data
- the String to encode
static java.security.MessageDigest getDigest(java.lang.String algorithm)
MessageDigest
for the given algorithm
.
algorithm
- the name of the algorithm requested. See Appendix A in the Java
Cryptography Architecture API Specification & Reference for information about standard algorithm
names.
java.lang.RuntimeException
- when a NoSuchAlgorithmException
is caught.MessageDigest.getInstance(String)
private static java.security.MessageDigest getMd5Digest()
java.lang.RuntimeException
- when a NoSuchAlgorithmException
is caught.private static java.security.MessageDigest getSha256Digest()
Throws a RuntimeException
on JRE versions prior to 1.4.0.
java.lang.RuntimeException
- when a NoSuchAlgorithmException
is caught.private static java.security.MessageDigest getSha384Digest()
Throws a RuntimeException
on JRE versions prior to 1.4.0.
java.lang.RuntimeException
- when a NoSuchAlgorithmException
is caught.private static java.security.MessageDigest getSha512Digest()
Throws a RuntimeException
on JRE versions prior to 1.4.0.
java.lang.RuntimeException
- when a NoSuchAlgorithmException
is caught.private static java.security.MessageDigest getShaDigest()
java.lang.RuntimeException
- when a NoSuchAlgorithmException
is caught.public static byte[] md5(byte[] data)
byte[]
.
data
- Data to digest
public static byte[] md5(java.io.InputStream data) throws java.io.IOException
byte[]
.
data
- Data to digest
java.io.IOException
- On error reading from the streampublic static byte[] md5(java.lang.String data)
byte[]
.
data
- Data to digest
public static java.lang.String md5Hex(byte[] data)
data
- Data to digest
public static java.lang.String md5Hex(java.io.InputStream data) throws java.io.IOException
data
- Data to digest
java.io.IOException
- On error reading from the streampublic static java.lang.String md5Hex(java.lang.String data)
data
- Data to digest
public static byte[] sha(byte[] data)
byte[]
.
data
- Data to digest
public static byte[] sha(java.io.InputStream data) throws java.io.IOException
byte[]
.
data
- Data to digest
java.io.IOException
- On error reading from the streampublic static byte[] sha(java.lang.String data)
byte[]
.
data
- Data to digest
public static byte[] sha256(byte[] data)
byte[]
.
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest
public static byte[] sha256(java.io.InputStream data) throws java.io.IOException
byte[]
.
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest
java.io.IOException
- On error reading from the streampublic static byte[] sha256(java.lang.String data)
byte[]
.
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest
public static java.lang.String sha256Hex(byte[] data)
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest
public static java.lang.String sha256Hex(java.io.InputStream data) throws java.io.IOException
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest
java.io.IOException
- On error reading from the streampublic static java.lang.String sha256Hex(java.lang.String data)
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest
public static byte[] sha384(byte[] data)
byte[]
.
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest
public static byte[] sha384(java.io.InputStream data) throws java.io.IOException
byte[]
.
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest
java.io.IOException
- On error reading from the streampublic static byte[] sha384(java.lang.String data)
byte[]
.
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest
public static java.lang.String sha384Hex(byte[] data)
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest
public static java.lang.String sha384Hex(java.io.InputStream data) throws java.io.IOException
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest
java.io.IOException
- On error reading from the streampublic static java.lang.String sha384Hex(java.lang.String data)
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest
public static byte[] sha512(byte[] data)
byte[]
.
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest
public static byte[] sha512(java.io.InputStream data) throws java.io.IOException
byte[]
.
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest
java.io.IOException
- On error reading from the streampublic static byte[] sha512(java.lang.String data)
byte[]
.
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest
public static java.lang.String sha512Hex(byte[] data)
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest
public static java.lang.String sha512Hex(java.io.InputStream data) throws java.io.IOException
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest
java.io.IOException
- On error reading from the streampublic static java.lang.String sha512Hex(java.lang.String data)
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest
public static java.lang.String shaHex(byte[] data)
data
- Data to digest
public static java.lang.String shaHex(java.io.InputStream data) throws java.io.IOException
data
- Data to digest
java.io.IOException
- On error reading from the streampublic static java.lang.String shaHex(java.lang.String data)
data
- Data to digest
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