gmalg 0.8.10

GM algorithms implemented in pure python.

gmalg

GM algorithms implemented in pure python.

Install

pip install gmalg

Implemented Core Algorithms

• ZUC Stream Cipher Algorithm
• SM2 Public Key Cryptograhpic Algorithm Based on Elliptic Curves
• SM3 Cryptogrpahic Hash Algorithm
• SM4 Block Cipher Algorithm
• SM9 Identification Cryptographic Algorithm

Usage

ZUC Generate pseudo-random key stream

import gmalg

zuc = gmalg.ZUC(bytes.fromhex("3d4c4be96a82fdaeb58f641db17b455b"),
                bytes.fromhex("84319aa8de6915ca1f6bda6bfbd8c766"))

print(zuc.generate().hex())
print(zuc.generate().hex())

SM3 Compute hash value

import gmalg

sm3 = gmalg.SM3()
print(sm3.value().hex())

sm3.update(b"I'm SM3 algorithm.")
print(sm3.value().hex())

SM4 Encrypt/Decrypt

import gmalg

sm4 = gmalg.SM4(bytes.fromhex("0123456789ABCDEFFEDCBA9876543210"))
cipher = sm4.encrypt(b"0102030405060708")
print(cipher.hex())
print(sm4.decrypt(cipher))

SM2 Sign/Verify

import gmalg

sm2 = gmalg.SM2(
    bytes.fromhex("3945208F 7B2144B1 3F36E38A C6D39F95 88939369 2860B51A 42FB81EF 4DF7C5B8"),
    b"1234567812345678",
    bytes.fromhex("04 09F9DF31 1E5421A1 50DD7D16 1E4BC5C6 72179FAD 1833FC07 6BB08FF3 56F35020"
                  "CCEA490C E26775A5 2DC6EA71 8CC1AA60 0AED05FB F35E084A 6632F607 2DA9AD13"),
)
msg = b"I'm SM2 sign/verify algorithm."
r, s = sm2.sign(msg)
print(r.hex())
print(s.hex())
print(sm2.verify(msg, r, s))

SM2 Encrypt/Decrypt

import gmalg

sm2 = gmalg.SM2(
    bytes.fromhex("3945208F 7B2144B1 3F36E38A C6D39F95 88939369 2860B51A 42FB81EF 4DF7C5B8"),
    P=bytes.fromhex("04 09F9DF31 1E5421A1 50DD7D16 1E4BC5C6 72179FAD 1833FC07 6BB08FF3 56F35020"
                    "CCEA490C E26775A5 2DC6EA71 8CC1AA60 0AED05FB F35E084A 6632F607 2DA9AD13"),
)

cipher = sm2.encrypt(b"I'm SM2 encrypt/decrypt algorithm.")
print(cipher.hex())
print(sm2.decrypt(cipher))

Go to [docs:TODO] see more detailed usages.

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