This Haskell package provides a generic interface for cryptographic operations (hashes, ciphers, randomness).

Maintainers of hash and cipher implementations are encouraged to add instances for the classes defined in Crypto.Classes. Crypto users are similarly encouraged to use the interfaces defined in the Classes module.

Any concepts or functions of general use to more than one cryptographic algorithm (ex: padding) is within scope of this package.

This Haskell package provides implementation of MD5.

This package provides a library implementing SOCKS Protocol Version 5.

This package provides a Haskell-only implementation of the MD5 digest (hash) algorithm. This now supports the crypto-api class interface.

Simple crypto pseudo-random-number-generator with really good randomness property.

Using ent, a randomness property maker on one 1Mb sample:

• Entropy = 7.999837 bits per byte.

• Optimum compression would reduce the size of this 1048576 byte file by 0 percent.

• Chi square distribution for 1048576 samples is 237.02.

• Arithmbetic mean value of data bytes is 127.3422 (127.5 = random).

• Monte Carlo value for Pi is 3.143589568 (error 0.06 percent).

Compared to urandom with the same sampling:

• Entropy = 7.999831 bits per byte.

• Optimum compression would reduce the size of this 1048576 byte file by 0 percent.

• Chi square distribution for 1048576 samples is 246.63.

• Arithmetic mean value of data bytes is 127.6347 (127.5 = random).

• Monte Carlo value for Pi is 3.132465868 (error 0.29 percent).

This library contains io-streams routines for secure networking using OpenSSL (by way of HsOpenSSL).

This library provides functions to read and write X509 certificates.

This Haskell package provides a platform independent method to obtain cryptographically strong entropy.

This Haskell package provides a test framework for hash and cipher operations using the crypto-api interface. Known answer tests (KATs) for common cryptographic algorithms are included.

This package provides methods for accessing and storing X.509 collections of certificates, certificate revocation lists, and exception lists.

The package provides the standard types for dealing with the ASN.1 format.

This Haskell package provides an incremental and one-pass, pure API to the SHA-256 cryptographic hash algorithm, with performance close to the fastest implementations available in other languages.

The implementation is made in C with a haskell FFI wrapper that hides the C implementation.

This package provides functions for X.509 certificate and revocation list validation.

This package provides a repository of cryptographic primitives.

• Symmetric ciphers: AES, DES, 3DES, CAST5, Blowfish, Twofish, Camellia, RC4, Salsa, XSalsa, ChaCha.

• Hash: SHA1, SHA2, SHA3, SHAKE, MD2, MD4, MD5, Keccak, Skein, Ripemd, Tiger, Whirlpool, Blake2.

• MAC: HMAC, KMAC, Poly1305

• Asymmetric crypto: DSA, RSA, DH, ECDH, ECDSA, ECC, Curve25519, Curve448, Ed25519, Ed448

• Key Derivation Function: PBKDF2, Scrypt, HKDF, Argon2, BCrypt, BCryptPBKDF

• Cryptographic Random generation: System Entropy, Deterministic Random Generator

• Data related: Anti-Forensic Information Splitter (AFIS)

This package provides Haskell tools for X.509 certificate and Certificates revocation list (CRL) validation.

This package provides efficient cryptographic hash implementations for strict and lazy bytestrings. For now, CRC32 and Adler32 are supported; they are implemented as FFI bindings to efficient code from zlib.

This package provides a cross-platform library that tries to find a (reasonable) CA certificate bundle that can be used with HsOpenSSL to verify the certificates of remote peers. It is for HsOpenSSL what x509-system is for the tls package, and borrows some ideas from x509-system.

This library implements the RSA encryption and signature algorithms for arbitrarily-sized ByteStrings. While the implementations work, they are not necessarily the fastest ones on the planet. Particularly key generation. The algorithms included are based of RFC 3447, or the Public-Key Cryptography Standard for RSA, version 2.1 (a.k.a, PKCS#1 v2.1).

Simple cryptographic random related types: a safe abstraction for CPRNGs.

This library provides readers and writers for the Privacy Enhanced Mail (PEM) format.

Encrypted tokens/tickets to keep state in the client side.

A collection of crypto hashes, with a practical incremental and one-pass, pure APIs, with performance close to the fastest implementations available in other languages. The implementations are made in C with a haskell FFI wrapper that hides the C implementation.

This Haskell package provides AES cipher implementation.

The modes of operations available are ECB (Electronic code book), CBC (Cipher block chaining), CTR (Counter), XTS (XEX with ciphertext stealing), GCM (Galois Counter Mode).

The AES implementation uses AES-NI when available (on x86 and x86-64 architecture), but fallback gracefully to a software C implementation.

The software implementation uses S-Boxes, which might suffer for cache timing issues. However do notes that most other known software implementations, including very popular one (openssl, gnutls) also uses similar implementation. If it matters for your case, you should make sure you have AES-NI available, or you'll need to use a different implementation.

This package provides tools for operating system dependent X.509 stores, storage methods, and accessors.