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Java KeyGenerator

The Java KeyGenerator can generate symmetric encryption keys. This Java KeyGenerator tutorial explains how to use the KeyGenerator class.

Java Signature

The Java Signature class can create digital signatures from binary data. This Java Signature tutorial explains how to create and verify digital signatures.

Java Keytool

The Java Keytool is a command line tool that can work with Java KeyStore files - e.g. generate key pairs into a KeyStore, import / export certificates etc.

Java MessageDigest

The Java MessageDigest class can calculate a message digest (cryptographic hash value) from a block of data.

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