Sebb created CODEC-173:
--------------------------
Summary: DigestUtils: extend updateDigest() methods to create the
final digest in various forms
Key: CODEC-173
URL: https://issues.apache.org/jira/browse/CODEC-173
Project: Commons Codec
Issue Type: New Feature
Reporter: Sebb
For applications that need to generate different digests, it would be useful to
be able to provide the digest as a parameter to the process.
For example:
{code}
public static byte[] digest(MessageDigest messageDigest, byte[] bytes) {
return updateDigest(messageDigest, bytes).digest();
}
public static byte[] digest(final String algorithm, byte[] bytes) {
return digest(getDigest(algorithm), bytes);
}
public static String digestHex(MessageDigest messageDigest, byte[] bytes) {
return Hex.encodeHexString(updateDigest(messageDigest, bytes).digest());
}
public static String digestHex(final String algorithm, byte[] bytes) {
return digestHex(getDigest(algorithm), bytes);
}
{code}
The same 4 methods would also be useful for InputStream (and possibly String).
There is already a private method of this form:
byte [] digest(MessageDigest digest, InputStream data) throws IOException
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