SecretKey renamed to CryptoBox::SecretKey
PublicKey renamed to CryptoBox::PublicKey
KeyPair removed. Use CryptoBox::SecretKey instead.
Cox.encrypt was removed. Use `secret_key.pair(...).encrypt`
Cox.decrypt was removed. Use `secret_key.pair(...).decrypt`
SignSecretKey rename to Sign::SecretKey
SignPublicKey rename to Sign::PublicKey
SignKeyPair removed. Use Sign::SecretKey instead.
Cox.sign_detached moved to Sign::SecretKey#sign_detached
Cox.verify_detached moved to Sign::PublicKey#verify_detached
verify_detached raises on failure instead of using a return value.
More validation of data sizes.