public class DigestUtils extends Object
MessageDigest
tasks.
This class is immutable and thread-safe.Constructor and Description |
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DigestUtils() |
Modifier and Type | Method and Description |
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static MessageDigest |
getDigest(String algorithm)
Returns a
MessageDigest for the given algorithm . |
static MessageDigest |
getMd2Digest()
Returns an MD2 MessageDigest.
|
static MessageDigest |
getMd5Digest()
Returns an MD5 MessageDigest.
|
static MessageDigest |
getSha1Digest()
Returns an SHA-1 digest.
|
static MessageDigest |
getSha256Digest()
Returns an SHA-256 digest.
|
static MessageDigest |
getSha384Digest()
Returns an SHA-384 digest.
|
static MessageDigest |
getSha512Digest()
Returns an SHA-512 digest.
|
static MessageDigest |
getShaDigest()
Deprecated.
Use
getSha1Digest() |
static byte[] |
md2(byte[] data)
Calculates the MD2 digest and returns the value as a 16 element
byte[] . |
static byte[] |
md2(InputStream data)
Calculates the MD2 digest and returns the value as a 16 element
byte[] . |
static byte[] |
md2(String data)
Calculates the MD2 digest and returns the value as a 16 element
byte[] . |
static String |
md2Hex(byte[] data)
Calculates the MD2 digest and returns the value as a 32 character hex string.
|
static String |
md2Hex(InputStream data)
Calculates the MD2 digest and returns the value as a 32 character hex string.
|
static String |
md2Hex(String data)
Calculates the MD2 digest and returns the value as a 32 character hex string.
|
static byte[] |
md5(byte[] data)
Calculates the MD5 digest and returns the value as a 16 element
byte[] . |
static byte[] |
md5(InputStream data)
Calculates the MD5 digest and returns the value as a 16 element
byte[] . |
static byte[] |
md5(String data)
Calculates the MD5 digest and returns the value as a 16 element
byte[] . |
static String |
md5Hex(byte[] data)
Calculates the MD5 digest and returns the value as a 32 character hex string.
|
static String |
md5Hex(InputStream data)
Calculates the MD5 digest and returns the value as a 32 character hex string.
|
static String |
md5Hex(String data)
Calculates the MD5 digest and returns the value as a 32 character hex string.
|
static byte[] |
sha(byte[] data)
Deprecated.
Use
sha1(byte[]) |
static byte[] |
sha(InputStream data)
Deprecated.
|
static byte[] |
sha(String data)
Deprecated.
Use
sha1(String) |
static byte[] |
sha1(byte[] data)
Calculates the SHA-1 digest and returns the value as a
byte[] . |
static byte[] |
sha1(InputStream data)
Calculates the SHA-1 digest and returns the value as a
byte[] . |
static byte[] |
sha1(String data)
Calculates the SHA-1 digest and returns the value as a
byte[] . |
static String |
sha1Hex(byte[] data)
Calculates the SHA-1 digest and returns the value as a hex string.
|
static String |
sha1Hex(InputStream data)
Calculates the SHA-1 digest and returns the value as a hex string.
|
static String |
sha1Hex(String data)
Calculates the SHA-1 digest and returns the value as a hex string.
|
static byte[] |
sha256(byte[] data)
Calculates the SHA-256 digest and returns the value as a
byte[] . |
static byte[] |
sha256(InputStream data)
Calculates the SHA-256 digest and returns the value as a
byte[] . |
static byte[] |
sha256(String data)
Calculates the SHA-256 digest and returns the value as a
byte[] . |
static String |
sha256Hex(byte[] data)
Calculates the SHA-256 digest and returns the value as a hex string.
|
static String |
sha256Hex(InputStream data)
Calculates the SHA-256 digest and returns the value as a hex string.
|
static String |
sha256Hex(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(InputStream data)
Calculates the SHA-384 digest and returns the value as a
byte[] . |
static byte[] |
sha384(String data)
Calculates the SHA-384 digest and returns the value as a
byte[] . |
static String |
sha384Hex(byte[] data)
Calculates the SHA-384 digest and returns the value as a hex string.
|
static String |
sha384Hex(InputStream data)
Calculates the SHA-384 digest and returns the value as a hex string.
|
static String |
sha384Hex(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(InputStream data)
Calculates the SHA-512 digest and returns the value as a
byte[] . |
static byte[] |
sha512(String data)
Calculates the SHA-512 digest and returns the value as a
byte[] . |
static String |
sha512Hex(byte[] data)
Calculates the SHA-512 digest and returns the value as a hex string.
|
static String |
sha512Hex(InputStream data)
Calculates the SHA-512 digest and returns the value as a hex string.
|
static String |
sha512Hex(String data)
Calculates the SHA-512 digest and returns the value as a hex string.
|
static String |
shaHex(byte[] data)
Deprecated.
Use
sha1Hex(byte[]) |
static String |
shaHex(InputStream data)
Deprecated.
|
static String |
shaHex(String data)
Deprecated.
Use
sha1Hex(String) |
static MessageDigest |
updateDigest(MessageDigest messageDigest,
byte[] valueToDigest)
Updates the given
MessageDigest . |
static MessageDigest |
updateDigest(MessageDigest digest,
InputStream data)
Reads through an InputStream and updates the digest for the data
|
static MessageDigest |
updateDigest(MessageDigest messageDigest,
String valueToDigest)
Updates the given
MessageDigest . |
public DigestUtils()
public static MessageDigest getDigest(String algorithm)
MessageDigest
for the given algorithm
.algorithm
- the name of the algorithm requested. See Appendix A in the Java Cryptography Architecture Reference Guide for information about standard
algorithm names.IllegalArgumentException
- when a NoSuchAlgorithmException
is caught.MessageDigest.getInstance(String)
public static MessageDigest getMd2Digest()
IllegalArgumentException
- when a NoSuchAlgorithmException
is caught, which should never happen because MD2 is a
built-in algorithmMessageDigestAlgorithms.MD2
public static MessageDigest getMd5Digest()
IllegalArgumentException
- when a NoSuchAlgorithmException
is caught, which should never happen because MD5 is a
built-in algorithmMessageDigestAlgorithms.MD5
public static MessageDigest getSha1Digest()
IllegalArgumentException
- when a NoSuchAlgorithmException
is caught, which should never happen because SHA-1 is a
built-in algorithmMessageDigestAlgorithms.SHA_1
public static MessageDigest getSha256Digest()
Throws a RuntimeException
on JRE versions prior to 1.4.0.
IllegalArgumentException
- when a NoSuchAlgorithmException
is caught, which should never happen because SHA-256 is a
built-in algorithmMessageDigestAlgorithms.SHA_256
public static MessageDigest getSha384Digest()
Throws a RuntimeException
on JRE versions prior to 1.4.0.
IllegalArgumentException
- when a NoSuchAlgorithmException
is caught, which should never happen because SHA-384 is a
built-in algorithmMessageDigestAlgorithms.SHA_384
public static MessageDigest getSha512Digest()
Throws a RuntimeException
on JRE versions prior to 1.4.0.
IllegalArgumentException
- when a NoSuchAlgorithmException
is caught, which should never happen because SHA-512 is a
built-in algorithmMessageDigestAlgorithms.SHA_512
@Deprecated public static MessageDigest getShaDigest()
getSha1Digest()
IllegalArgumentException
- when a NoSuchAlgorithmException
is caughtpublic static byte[] md2(byte[] data)
byte[]
.data
- Data to digestpublic static byte[] md2(InputStream data) throws IOException
byte[]
.data
- Data to digestIOException
- On error reading from the streampublic static byte[] md2(String data)
byte[]
.data
- Data to digest; converted to bytes using StringUtils.getBytesUtf8(String)
public static String md2Hex(byte[] data)
data
- Data to digestpublic static String md2Hex(InputStream data) throws IOException
data
- Data to digestIOException
- On error reading from the streampublic static String md2Hex(String data)
data
- Data to digestpublic static byte[] md5(byte[] data)
byte[]
.data
- Data to digestpublic static byte[] md5(InputStream data) throws IOException
byte[]
.data
- Data to digestIOException
- On error reading from the streampublic static byte[] md5(String data)
byte[]
.data
- Data to digest; converted to bytes using StringUtils.getBytesUtf8(String)
public static String md5Hex(byte[] data)
data
- Data to digestpublic static String md5Hex(InputStream data) throws IOException
data
- Data to digestIOException
- On error reading from the streampublic static String md5Hex(String data)
data
- Data to digest@Deprecated public static byte[] sha(byte[] data)
sha1(byte[])
byte[]
.data
- Data to digest@Deprecated public static byte[] sha(InputStream data) throws IOException
sha1(InputStream)
byte[]
.data
- Data to digestIOException
- On error reading from the stream@Deprecated public static byte[] sha(String data)
sha1(String)
byte[]
.data
- Data to digestpublic static byte[] sha1(byte[] data)
byte[]
.data
- Data to digestpublic static byte[] sha1(InputStream data) throws IOException
byte[]
.data
- Data to digestIOException
- On error reading from the streampublic static byte[] sha1(String data)
byte[]
.data
- Data to digest; converted to bytes using StringUtils.getBytesUtf8(String)
public static String sha1Hex(byte[] data)
data
- Data to digestpublic static String sha1Hex(InputStream data) throws IOException
data
- Data to digestIOException
- On error reading from the streampublic static String sha1Hex(String data)
data
- Data to digestpublic static byte[] sha256(byte[] data)
byte[]
.
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digestpublic static byte[] sha256(InputStream data) throws IOException
byte[]
.
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digestIOException
- On error reading from the streampublic static byte[] sha256(String data)
byte[]
.
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest; converted to bytes using StringUtils.getBytesUtf8(String)
public static String sha256Hex(byte[] data)
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digestpublic static String sha256Hex(InputStream data) throws IOException
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digestIOException
- On error reading from the streampublic static String sha256Hex(String data)
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digestpublic static byte[] sha384(byte[] data)
byte[]
.
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digestpublic static byte[] sha384(InputStream data) throws IOException
byte[]
.
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digestIOException
- On error reading from the streampublic static byte[] sha384(String data)
byte[]
.
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest; converted to bytes using StringUtils.getBytesUtf8(String)
public static String sha384Hex(byte[] data)
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digestpublic static String sha384Hex(InputStream data) throws IOException
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digestIOException
- On error reading from the streampublic static String sha384Hex(String data)
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digestpublic static byte[] sha512(byte[] data)
byte[]
.
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digestpublic static byte[] sha512(InputStream data) throws IOException
byte[]
.
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digestIOException
- On error reading from the streampublic static byte[] sha512(String data)
byte[]
.
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest; converted to bytes using StringUtils.getBytesUtf8(String)
public static String sha512Hex(byte[] data)
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digestpublic static String sha512Hex(InputStream data) throws IOException
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digestIOException
- On error reading from the streampublic static String sha512Hex(String data)
Throws a RuntimeException
on JRE versions prior to 1.4.0.
data
- Data to digest@Deprecated public static String shaHex(byte[] data)
sha1Hex(byte[])
data
- Data to digest@Deprecated public static String shaHex(InputStream data) throws IOException
sha1Hex(InputStream)
data
- Data to digestIOException
- On error reading from the stream@Deprecated public static String shaHex(String data)
sha1Hex(String)
data
- Data to digestpublic static MessageDigest updateDigest(MessageDigest messageDigest, byte[] valueToDigest)
MessageDigest
.messageDigest
- the MessageDigest
to updatevalueToDigest
- the value to update the MessageDigest
withMessageDigest
public static MessageDigest updateDigest(MessageDigest digest, InputStream data) throws IOException
digest
- The MessageDigest to use (e.g. MD5)data
- Data to digestIOException
- On error reading from the streampublic static MessageDigest updateDigest(MessageDigest messageDigest, String valueToDigest)
MessageDigest
.messageDigest
- the MessageDigest
to updatevalueToDigest
- the value to update the MessageDigest
with;
converted to bytes using StringUtils.getBytesUtf8(String)
MessageDigest
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