Pallas Crypto

Crate with all the cryptographic material to support Cardano protocol:

• [x] Blake2b 256
• [x] Blake2b 224
• [x] Ed25519 asymmetric key pair and EdDSA
• [x] Ed25519 Extended asymmetric key pair
• [ ] Bip32-Ed25519 key derivation
• [ ] BIP39 mnemonics
• [ ] VRF
• [ ] KES
• [ ] SECP256k1