MD5 returns the MD5 hash of the string.

RSADecrypt decrypts data.tmpl using RSA private key.

RSAEncrypt encrypts data.tmpl with rsa public key.

RSAGenerateKey generates a new RSA key pair.

RSAGeneratePublicKey generates a public key from a private key.

RSASign signs the given data.tmpl using the given private key.

RSAVerify verifies the given data.tmpl using the given public key.

SHA1 returns the SHA1 hash of the string.

KeySize64 is supported by Des, but not by AES.