Supported algorithms:
AES
DES
DESede (DES3)
HmacSHA1
RC2
RC4
Notes:
SecretKey is implemented by the class org.mozilla.jss.crypto.SecretKeyFacade, which acts as a wrapper around the JSS class SymmetricKey. Any SecretKeys handled by JSS will actually be SecretKeyFacades. This should usually be transparent.