Package Crypto

Python Cryptography Toolkit

A collection of cryptographic modules implementing various algorithms and protocols.

Subpackages:

Crypto.Cipher: Secret-key (AES, DES, ARC4) and public-key encryption (RSA PKCS#1) algorithms
Crypto.Hash: Hashing algorithms (MD5, SHA, HMAC)
Crypto.Protocol: Cryptographic protocols (Chaffing, all-or-nothing transform, key derivation functions). This package does not contain any network protocols.
Crypto.PublicKey: Public-key encryption and signature algorithms (RSA, DSA)
Crypto.Signature: Public-key signature algorithms (RSA PKCS#1)
Crypto.Util: Various useful modules and functions (long-to-string conversion, random number generation, number theoretic functions)

Version: 2.7a1

Submodules

Crypto.Cipher: Symmetric- and asymmetric-key encryption algorithms.
- Crypto.Cipher.AES: AES symmetric cipher
- Crypto.Cipher.ARC2: RC2 symmetric cipher
- Crypto.Cipher.ARC4: ARC4 symmetric cipher
- Crypto.Cipher.Blowfish: Blowfish symmetric cipher
- Crypto.Cipher.CAST: CAST-128 symmetric cipher
- Crypto.Cipher.DES: DES symmetric cipher
- Crypto.Cipher.DES3: Triple DES symmetric cipher
- Crypto.Cipher.PKCS1_OAEP: RSA encryption protocol according to PKCS#1 OAEP
- Crypto.Cipher.PKCS1_v1_5: RSA encryption protocol according to PKCS#1 v1.5
- Crypto.Cipher.XOR: XOR toy cipher
- Crypto.Cipher._AESNI
- Crypto.Cipher.blockalgo: Module with definitions common to all block ciphers.
Crypto.Hash: Hashing algorithms
- Crypto.Hash.CMAC: CMAC (Cipher-based Message Authentication Code) algorithm
- Crypto.Hash.HMAC: HMAC (Hash-based Message Authentication Code) algorithm
- Crypto.Hash.MD2: MD2 cryptographic hash algorithm.
- Crypto.Hash.MD4: MD4 cryptographic hash algorithm.
- Crypto.Hash.MD5: MD5 cryptographic hash algorithm.
- Crypto.Hash.RIPEMD: Deprecated alias for Crypto.Hash.RIPEMD160
- Crypto.Hash.RIPEMD160: RIPEMD-160 cryptographic hash algorithm.
- Crypto.Hash.SHA: SHA-1 cryptographic hash algorithm.
- Crypto.Hash.SHA1: SHA-1 cryptographic hash algorithm.
- Crypto.Hash.SHA224: SHA-224 cryptographic hash algorithm.
- Crypto.Hash.SHA256: SHA-256 cryptographic hash algorithm.
- Crypto.Hash.SHA384: SHA-384 cryptographic hash algorithm.
- Crypto.Hash.SHA512: SHA-512 cryptographic hash algorithm.
Crypto.IO: Modules for reading and writing cryptographic data.
- Crypto.IO.PEM: Set of functions for encapsulating data according to the PEM format.
- Crypto.IO.PKCS8: Module for handling private keys wrapped according to PKCS#8.
- Crypto.IO._PBES
Crypto.Protocol: Cryptographic protocols
- Crypto.Protocol.AllOrNothing: This file implements all-or-nothing package transformations.
- Crypto.Protocol.Chaffing: This file implements the chaffing algorithm.
- Crypto.Protocol.KDF: This file contains a collection of standard key derivation functions.
Crypto.PublicKey: Public-key encryption and signature algorithms.
- Crypto.PublicKey.DSA: DSA public-key signature algorithm.
- Crypto.PublicKey.ElGamal: ElGamal public-key algorithm (randomized encryption and signature).
- Crypto.PublicKey.RSA: RSA public-key cryptography algorithm (signature and encryption).
Crypto.Random
- Crypto.Random.Fortuna
  - Crypto.Random.Fortuna.FortunaAccumulator
  - Crypto.Random.Fortuna.FortunaGenerator
  - Crypto.Random.Fortuna.SHAd256: SHA_d-256 hash function implementation.
- Crypto.Random.OSRNG: Provides a platform-independent interface to the random number generators supplied by various operating systems.
  - Crypto.Random.OSRNG.fallback
  - Crypto.Random.OSRNG.nt
  - Crypto.Random.OSRNG.posix
  - Crypto.Random.OSRNG.rng_base
- Crypto.Random._UserFriendlyRNG
- Crypto.Random.random: A cryptographically strong version of Python's standard "random" module.
Crypto.Signature: Digital signature protocols
- Crypto.Signature.PKCS1_PSS: RSA digital signature protocol with appendix according to PKCS#1 PSS.
- Crypto.Signature.PKCS1_v1_5: RSA digital signature protocol according to PKCS#1 v1.5
Crypto.Util: Miscellaneous modules
- Crypto.Util.Counter: Fast counter functions for CTR cipher modes.
- Crypto.Util.Padding: Functions to manage padding
- Crypto.Util.RFC1751
- Crypto.Util._counter
- Crypto.Util._galois
- Crypto.Util._number_new
- Crypto.Util._time
- Crypto.Util.asn1: ASN.1 DER encoding and decoding
- Crypto.Util.cpuid
- Crypto.Util.number
- Crypto.Util.py21compat: Compatibility code for Python 2.1
- Crypto.Util.py3compat: Compatibility code for handling string/bytes changes from Python 2.x to Py3k
- Crypto.Util.randpool
- Crypto.Util.strxor
- Crypto.Util.winrandom
Crypto.pct_warnings