| packages/nixpkgs/perl5Packages.CryptDH | Diffie-Hellman key exchange system |
| packages/nixpkgs/perl5Packages.CryptDSA | DSA Signatures and Key Generation |
| packages/nixpkgs/perl5Packages.CryptArgon2 | Perl interface to the Argon2 key derivation functions |
| packages/nixpkgs/perl5Packages.AltCryptRSABigInt | RSA public-key cryptosystem, using Math::BigInt |
| packages/nixpkgs/perl5Packages.HashMultiValue | Store multiple values per key |
| packages/nixpkgs/perl5Packages.CryptScryptKDF | Scrypt password based key derivation function |
| packages/nixpkgs/perl5Packages.MockMonkeyPatch | Monkey patching with test mocking in mind |
| packages/nixpkgs/perl5Packages.SortKey | Fastest way to sort anything in Perl |