python rsa_python rsa加解密

一. Rsa加密

import base64

from Crypto.PublicKey import RSA

from Crypto.Cipher import PKCS1_v1_5 as Cipher_pkcs1_v1_5

public_key = """-----BEGIN PUBLIC KEY-----

MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDXddSrqcIqW7DT8FioLigAhkzb

acDSSrrDfcd1TFnDEuQgyxDKoqmcE5pcoNkPZXJHAaf826igF9KHhRhnCeRvs7b8

By3njyseQ3cThjyq+csLHhrlL5Hhf/mVj8TBvyJSRInYHFPIojGFsVjOiIaOUxnp

Ut9uzfCY6K7qf3EOxwIDAQAB

-----END PUBLIC KEY-----

"""

text = 'abcdefg'

a = bytes(msg, encoding="utf8")

rsakey = RSA.importKey(public_key)

cipher = Cipher_pkcs1_v1_5.new(rsakey)

cipher_text = base64.b64encode(cipher.encrypt(a))

print(cipher_text) # b'RkuzBbP1CyAQ1YuboLBwrxqUJdCM/HfIdfJiNJTDMmmwEDxn0VxQAd+l3lu17gaRtzYxrJtQ71ftExlDasOJUAFyMTqmshnl4TNjaKDLDkQ881lEEKLZPUjIVhuqUsMreCybQkeJyJsJZxZaL8AtUBEVZMG0Qz9jRCF25IUlFzg='

二. Rsa解密

import base64

from Crypto.PublicKey import RSA

from Crypto.Cipher import PKCS1_v1_5 as Cipher_pkcs1_v1_5

decodeStr = base64.b64decode(cipher_text) # cipher_text是上面rsa加密的内容

prikey = Cipher_pkcs1_v1_5.new(RSA.importKey(private_key))

encry_text = prikey.decrypt(decodeStr, b'rsa')

encry_value = encry_text.decode('utf8')

print(encry_value) # abcdefgh

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