pkenc_rabin

Rabin Public Key Encryption Scheme (Rabin)

Authors: M. O. Rabin

Title: “Digitalized Signatures and Public-Key Functions as Intractable as Factorization”

Published in: MIT Laboratory for Computer Science, 1979

Available from:

Notes:

Scheme Properties

• Type: encryption (public key)

• Setting: Integer

• Assumption: Integer Factorization

Implementation

Authors:

Christina Garman

Date:

09/2011

class pkenc_rabin.Rabin(modulus=<charm.toolbox.specialprimes.BlumWilliamsInteger object>)

Bases: object

convert(N, p, q, yp, yq)

keygen(s0, secparam=1024, params=None)

paramgen(secparam)

class pkenc_rabin.Rabin_Enc(padding=<charm.toolbox.paddingschemes.SAEPEncryptionPadding object>, redundancy=<charm.toolbox.redundancyschemes.InMessageRedundancy object>, params=None)

Bases: Rabin, PKEnc

>>> rabin = Rabin_Enc()
>>> (public_key, secret_key) = rabin.keygen(128, 1024)
>>> msg = b'This is a test'
>>> cipher_text = rabin.encrypt(public_key, msg)
>>> decrypted_msg = rabin.decrypt(public_key, secret_key, cipher_text)
>>> decrypted_msg == msg
True

decrypt(pk, sk, c)

encrypt(pk, m, salt=None)

class pkenc_rabin.Rabin_Sig(padding=<charm.toolbox.paddingschemes.OAEPEncryptionPadding object>)

Bases: Rabin, PKSig

RSASSA-PSS

>>> msg = b'This is a test message.'
>>> rabin = Rabin_Sig()
>>> (public_key, secret_key) = rabin.keygen(1024)
>>> signature = rabin.sign(secret_key, msg)
>>> rabin.verify(public_key, msg, signature)
True

sign(sk, M, salt=None)

verify(pk, M, S, salt=None)

pkenc_rabin.main()