A repository of cryptographic primitives

Symmetric: AES, DES, 3DES, Blowfish, Camellia, RC4, Salsa, ChaCha.
Hash: SHA1, SHA2, SHA3, MD2, MD4, MD5, Keccak, Skein, Ripemd, Tiger,
  Whirlpool, Blake2
MAC: HMAC, Poly1305
Asymmetric: DSA, RSA, DH, ECDH, ECDSA, ECC, Curve25519, Ed25519
Key Derivation Function: PBKDF2, Scrypt, HKDF
Random generation: System Entropy, Deterministic Random Generator
Data related: Anti-Forensic Information Splitter (AFIS) 

After uninstalling, run this command to unregister the package from
the ghc package database:   ghc-pkg recache