Spring Core 6.1.4 · org.springframework.util.DigestUtils

Modifier and Type	Field and Description
private static final char[]	HEX_CHARS
private static final String	MD5_ALGORITHM_NAME

Access	Constructor and Description
public	DigestUtils()

Method Summary

Modifier and Type	Method and Description
private static StringBuilder	appendDigestAsHex(String algorithm, byte[] bytes, StringBuilder builder)
private static StringBuilder	appendDigestAsHex(String algorithm, InputStream inputStream, StringBuilder builder)
public static StringBuilder	Returns: the given string builder appendMd5DigestAsHex(byte[] the bytes to calculate the digest over bytes, StringBuilder the string builder to append the digest to builder) Append a hexadecimal string representation of the MD5 digest of the given bytes to the given `StringBuilder`.
public static StringBuilder	Returns: the given string builder appendMd5DigestAsHex(InputStream the inputStream to calculate the digest over inputStream, StringBuilder the string builder to append the digest to builder) Append a hexadecimal string representation of the MD5 digest of the given inputStream to the given `StringBuilder`.
private static byte[]	digest(String algorithm, byte[] bytes)
private static byte[]	digest(String algorithm, InputStream inputStream)
private static char[]	digestAsHexChars(String algorithm, byte[] bytes)
private static char[]	digestAsHexChars(String algorithm, InputStream inputStream)
private static String	digestAsHexString(String algorithm, byte[] bytes)
private static String	digestAsHexString(String algorithm, InputStream inputStream)
private static char[]	encodeHex(byte[] bytes)
private static MessageDigest	getDigest(String algorithm) Create a new `MessageDigest` with the given algorithm.
public static byte[]	Returns: the digest md5Digest(byte[] the bytes to calculate the digest over bytes) Calculate the MD5 digest of the given bytes.
public static byte[]	Returns: the digest md5Digest(InputStream the InputStream to calculate the digest over inputStream) Calculate the MD5 digest of the given stream.
public static String	Returns: a hexadecimal digest string md5DigestAsHex(byte[] the bytes to calculate the digest over bytes) Return a hexadecimal string representation of the MD5 digest of the given bytes.
public static String	Returns: a hexadecimal digest string md5DigestAsHex(InputStream the InputStream to calculate the digest over inputStream) Return a hexadecimal string representation of the MD5 digest of the given stream.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

HEX_CHARS	back to summary
private static final char[] HEX_CHARS

MD5_ALGORITHM_NAME	back to summary
private static final String MD5_ALGORITHM_NAME

DigestUtils	back to summary
public DigestUtils()

Method Detail

appendDigestAsHex	back to summary
private static StringBuilder appendDigestAsHex(String algorithm, byte[] bytes, StringBuilder builder)

appendDigestAsHex	back to summary
private static StringBuilder appendDigestAsHex(String algorithm, InputStream inputStream, StringBuilder builder) throws IOException

appendMd5DigestAsHex back to summary

appendMd5DigestAsHex	back to summary
public static StringBuilder appendMd5DigestAsHex(byte[] bytes, StringBuilder builder) Append a hexadecimal string representation of the MD5 digest of the given bytes to the given `StringBuilder`. Parameters bytes:byte[] the bytes to calculate the digest over builder:StringBuilder the string builder to append the digest to Returns:StringBuilder the given string builder

public static StringBuilder appendMd5DigestAsHex(byte[] bytes, StringBuilder builder)

Append a hexadecimal string representation of the MD5 digest of the given bytes to the given StringBuilder.

Parameters

bytes:byte[]: the bytes to calculate the digest over
builder:StringBuilder: the string builder to append the digest to

Returns:StringBuilder

the given string builder

appendMd5DigestAsHex back to summary

appendMd5DigestAsHex	back to summary
public static StringBuilder appendMd5DigestAsHex(InputStream inputStream, StringBuilder builder) throws IOException Append a hexadecimal string representation of the MD5 digest of the given inputStream to the given `StringBuilder`. This method does not close the input stream. Parameters inputStream:InputStream the inputStream to calculate the digest over builder:StringBuilder the string builder to append the digest to Returns:StringBuilder the given string builder Since 4.2

public static StringBuilder appendMd5DigestAsHex(InputStream inputStream, StringBuilder builder) throws IOException

Append a hexadecimal string representation of the MD5 digest of the given inputStream to the given StringBuilder.

This method does not close the input stream.

Parameters

inputStream:InputStream: the inputStream to calculate the digest over
builder:StringBuilder: the string builder to append the digest to

Returns:StringBuilder

the given string builder

Since

4.2

digest	back to summary
private static byte[] digest(String algorithm, byte[] bytes)

digest	back to summary
private static byte[] digest(String algorithm, InputStream inputStream) throws IOException

digestAsHexChars	back to summary
private static char[] digestAsHexChars(String algorithm, byte[] bytes)

digestAsHexChars	back to summary
private static char[] digestAsHexChars(String algorithm, InputStream inputStream) throws IOException

digestAsHexString	back to summary
private static String digestAsHexString(String algorithm, byte[] bytes)

digestAsHexString	back to summary
private static String digestAsHexString(String algorithm, InputStream inputStream) throws IOException

encodeHex	back to summary
private static char[] encodeHex(byte[] bytes)

getDigest back to summary

getDigest	back to summary
private static MessageDigest getDigest(String algorithm) Create a new `MessageDigest` with the given algorithm. Necessary because `MessageDigest` is not thread-safe.

private static MessageDigest getDigest(String algorithm)

Create a new MessageDigest with the given algorithm.

Necessary because MessageDigest is not thread-safe.

md5Digest	back to summary
public static byte[] md5Digest(byte[] bytes) Calculate the MD5 digest of the given bytes. Parameters bytes:byte[] the bytes to calculate the digest over Returns:byte[] the digest

md5Digest

back to summary

public static byte[] md5Digest(byte[] bytes)

Calculate the MD5 digest of the given bytes.

Parameters

bytes:byte[]: the bytes to calculate the digest over

Returns:byte[]

the digest

md5Digest	back to summary
public static byte[] md5Digest(InputStream inputStream) throws IOException Calculate the MD5 digest of the given stream. This method does not close the input stream. Parameters inputStream:InputStream the InputStream to calculate the digest over Returns:byte[] the digest Since 4.2

md5Digest

back to summary

public static byte[] md5Digest(InputStream inputStream) throws IOException

Calculate the MD5 digest of the given stream.

This method does not close the input stream.

Parameters

inputStream:InputStream: the InputStream to calculate the digest over

Returns:byte[]

the digest

Since

4.2

md5DigestAsHex	back to summary
public static String md5DigestAsHex(byte[] bytes) Return a hexadecimal string representation of the MD5 digest of the given bytes. Parameters bytes:byte[] the bytes to calculate the digest over Returns:String a hexadecimal digest string

md5DigestAsHex

back to summary

public static String md5DigestAsHex(byte[] bytes)

Return a hexadecimal string representation of the MD5 digest of the given bytes.

Parameters

bytes:byte[]: the bytes to calculate the digest over

Returns:String

a hexadecimal digest string

md5DigestAsHex	back to summary
public static String md5DigestAsHex(InputStream inputStream) throws IOException Return a hexadecimal string representation of the MD5 digest of the given stream. This method does not close the input stream. Parameters inputStream:InputStream the InputStream to calculate the digest over Returns:String a hexadecimal digest string Since 4.2

md5DigestAsHex

back to summary

public static String md5DigestAsHex(InputStream inputStream) throws IOException

Return a hexadecimal string representation of the MD5 digest of the given stream.

This method does not close the input stream.

Parameters

inputStream:InputStream: the InputStream to calculate the digest over

Returns:String

a hexadecimal digest string

Since

4.2

public abstract Class DigestUtils

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail