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Is there a simple library out there for Java in a Maven repository that will give me simple, one-liner hash methods for the popular hash functions such as MD5, SHA1, SHA256, and SHA512? I'd really hate to have to reinvent the wheel to do this.
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The SHA-256 algorithm generates an almost unique, fixed-size 256-bit (32-byte) hash. This is a one-way function, so the result cannot be decrypted back to the original value. Currently, SHA-2 hashing is widely used, as it is considered the most secure hashing algorithm in the cryptographic arena.
An algorithm that does the mapping of data to a hash of fixed size is called the hashing algorithm. Hashing algorithm in Java is a cryptographic hash function. A hash algorithm or hash function is designed in such a way that it behaves like a one-way function.
SHA-256 stands for Secure Hash Algorithm 256-bit and it's used for cryptographic security. Cryptographic hash algorithms produce irreversible and unique hashes. The larger the number of possible hashes, the smaller the chance that two values will create the same hash.
The DigestUtils class of Apache Commons Codec is suitable for the purpose of simplifying the use of the MessageDigest class, which appears to be what you are attempting to use in the first place.
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