Represent a Rabin-Williams public key.
Constructors
PublicKeypublic_size :: Intsize of key in bytes
public_n :: Integerpublic p*q
Modulecrypton-1.0.6Haskell2010
Crypto.PubKey.Rabin.RW
Rabin-Williams cryptosystem for public-key encryption and digital signature. See pages 323 - 324 in "Computational Number Theory and Modern Cryptography" by Song Y. Yan. Also inspired by https://github.com/vanilala/vncrypt/blob/master/vncrypt/vnrw_gmp.c.
Synopsis
- data PublicKey
- data PrivateKey
- value generate
- value encrypt
- value encryptWithSeed
- value decrypt
- value sign
- value verify
- Packagecrypton-1.0.6
- Exports8
- LanguageHaskell2010
- LicenceBSD-3-Clause
- SourceRW.hs
Represent a Rabin-Williams private key.
Constructors
Instances4Eq, Data, Read, Show
Eq PrivateKeyDefined in crypton-1.0.6 · Crypto.PubKey.Rabin.RWData PrivateKeyDefined in crypton-1.0.6 · Crypto.PubKey.Rabin.RWRead PrivateKeyDefined in crypton-1.0.6 · Crypto.PubKey.Rabin.RWShow PrivateKeyDefined in crypton-1.0.6 · Crypto.PubKey.Rabin.RW
Generate a pair of (private, public) key of size in bytes. Prime p is congruent 3 mod 8 and prime q is congruent 7 mod 8.
value
encrypt :: (HashAlgorithm hash, MonadRandom m)=> OAEPParams hash ByteString ByteStringOAEP padding parameters
-> PublicKeypublic key
-> ByteStringplaintext
-> m (Either Error ByteString)
Encrypt plaintext using public key.
value
encryptWithSeed :: HashAlgorithm hash=> ByteStringSeed
-> OAEPParams hash ByteString ByteStringOAEP padding
-> PublicKeypublic key
-> ByteStringplaintext
-> Either Error ByteString
Encrypt plaintext using public key an a predefined OAEP seed.
See algorithm 8.11 in "Handbook of Applied Cryptography" by Alfred J. Menezes et al.
value
decrypt :: HashAlgorithm hash=> OAEPParams hash ByteString ByteStringOAEP padding parameters
-> PrivateKeyprivate key
-> ByteStringciphertext
-> Maybe ByteString
Decrypt ciphertext using private key.
value
sign :: HashAlgorithm hash=> PrivateKeyprivate key
-> hashhash function
-> ByteStringmessage to sign
-> Either Error Integer
Sign message using hash algorithm and private key.
value
verify :: HashAlgorithm hash=> PublicKeypublic key
-> hashhash function
-> ByteStringmessage
-> Integersignature
-> Bool
Verify signature using hash algorithm and public key.