Python p_sha1 Exemples

Exemple #1

Fichier : security_policies.py Projet : vmatutea/python-opcua

    def make_symmetric_key(self, nonce1, nonce2):
        key_sizes = (self.signature_key_size, self.symmetric_key_size, 16)

        (sigkey, key, init_vec) = uacrypto.p_sha1(nonce2, nonce1, key_sizes)
        self.symmetric_cryptography.Signer = SignerAesCbc(sigkey)
        self.symmetric_cryptography.Encryptor = EncryptorAesCbc(key, init_vec)

        (sigkey, key, init_vec) = uacrypto.p_sha1(nonce1, nonce2, key_sizes)
        self.symmetric_cryptography.Verifier = VerifierAesCbc(sigkey)
        self.symmetric_cryptography.Decryptor = DecryptorAesCbc(key, init_vec)

Exemple #2

Fichier : security_policies.py Projet : billtsay/win-demo-opcua

    def make_symmetric_key(self, nonce1, nonce2):
        key_sizes = (self.signature_key_size, self.symmetric_key_size, 16)

        (sigkey, key, init_vec) = uacrypto.p_sha1(nonce2, nonce1, key_sizes)
        self.symmetric_cryptography.Signer = SignerAesCbc(sigkey)
        self.symmetric_cryptography.Encryptor = EncryptorAesCbc(key, init_vec)

        (sigkey, key, init_vec) = uacrypto.p_sha1(nonce1, nonce2, key_sizes)
        self.symmetric_cryptography.Verifier = VerifierAesCbc(sigkey)
        self.symmetric_cryptography.Decryptor = DecryptorAesCbc(key, init_vec)

Exemple #3

    def make_remote_symmetric_key(self, secret, seed):

        # specs part 6, 6.7.5
        key_sizes = (self.signature_key_size, self.symmetric_key_size, 16)

        (sigkey, key, init_vec) = uacrypto.p_sha1(secret, seed, key_sizes)
        self.symmetric_cryptography.Verifier = VerifierAesCbc(sigkey)
        self.symmetric_cryptography.Decryptor = DecryptorAesCbc(key, init_vec)

Exemple #4

    def make_local_symmetric_key(self, secret, seed):

        # specs part 6, 6.7.5
        key_sizes = (self.signature_key_size, self.symmetric_key_size, 16)

        (sigkey, key, init_vec) = uacrypto.p_sha1(secret, seed, key_sizes)
        self.symmetric_cryptography.Signer = SignerAesCbc(sigkey)
        self.symmetric_cryptography.Encryptor = EncryptorAesCbc(key, init_vec)

Exemple #5

Fichier : test.py Projet : ASNeG/ASNeG-Demo

#nonce1 = binascii.unhexlify("01010101010101010101010101010101")
#nonce2 = binascii.unhexlify("02020202020202020202020202020202")
#
#keySize = (16, 16, 16)
#
#(sigkey, key, init_vec) = uacrypto.p_sha1(nonce1, nonce2, keySize)
#
#print(":".join("{:02x}".format(c) for c in nonce1))
#print(":".join("{:02x}".format(c) for c in nonce2))
#
#
#print(":".join("{:02x}".format(c) for c in sigkey))
#print(":".join("{:02x}".format(c) for c in key))
#print(":".join("{:02x}".format(c) for c in init_vec))


nonce1 = binascii.unhexlify("0101010101010101010101010101010101010101010101010101010101010101")
nonce2 = binascii.unhexlify("0202020202020202020202020202020202020202020202020202020202020202")

keySize = (24, 32, 16)

(sigkey, key, init_vec) = uacrypto.p_sha1(nonce1, nonce2, keySize)

#print(":".join("{:02x}".format(c) for c in nonce1))
#print(":".join("{:02x}".format(c) for c in nonce2))


print(":".join("{:02x}".format(c) for c in sigkey))
print(":".join("{:02x}".format(c) for c in key))
print(":".join("{:02x}".format(c) for c in init_vec))