python利用pycrypto进行加密解密操作
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#?-*-?coding:?utf-8?-*-
from?Crypto?import?Random
from?Crypto.PublicKey?import?RSA
from?Crypto.Hash?import?SHA
from?Crypto.Cipher?import?PKCS1_v1_5?as?cipher_PKCS1_v1_5
from?Crypto.Signature?import?PKCS1_v1_5?as?signature_PKCS1_v1_5
import?base64
def?get_key():
????rsa?=?RSA.generate(1024,?Random.new().read)
????private_pem?=?rsa.exportKey()
????public_pem?=?rsa.publickey().exportKey()
????return?{
????????"public_key":?public_pem.decode(),
????????"private_key":?private_pem.decode()
????}
#?公钥加密
def?rsa_encode(message,?public_key):
????rsakey?=?RSA.importKey(public_key)??
????cipher?=?cipher_PKCS1_v1_5.new(rsakey)
????cipher_text?=?base64.b64encode(
?????cipher.encrypt(message.encode(encoding="utf-8")))
????return?cipher_text.decode()
#?私钥解密
def?rsa_decode(cipher_text,?private_key):
????rsakey?=?RSA.importKey(private_key)?
????cipher?=?cipher_PKCS1_v1_5.new(rsakey)
????text?=?cipher.decrypt(base64.b64decode(cipher_text),?"ERROR")
????if?text?==?"ERROR":
????????return?text
????return?text.decode()
def?rsa_sinature_encode(message,?private_key):
????rsakey?=?RSA.importKey(private_key)
????signer?=?signature_PKCS1_v1_5.new(rsakey)
????digest?=?SHA.new()
????digest.update(message.encode("utf8"))
????sign?=?signer.sign(digest)
????signature?=?base64.b64encode(sign)
????return?signature
????pass
def?rsa_signature_decode(message,?public_key,?signature):
????rsakey?=?RSA.importKey(public_key)
????signer?=?signature_PKCS1_v1_5.new(rsakey)
????digest?=?SHA.new()
????digest.update(message.encode("utf8"))
????is_verify?=?signer.verify(digest,?base64.b64decode(signature))
????return?is_verify
????pass
private_key?=?"""-----BEGIN?RSA?PRIVATE?KEY-----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-----END?RSA?PRIVATE?KEY-----
"""
public_key?=?"""-----BEGIN?PUBLIC?KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDBZqKgS7Zl1qBA8vRGwZWiExJd
PgHVR+RYowmlM8sylY2aZtNcmfEqFtvOtzFTHMICSYm4dOiIm0CWPejWQJ+slMiI
CaR7jRQtxXvOu8UKV+hvIlX6ckVHD7bJSZHlzmK/oEbE+D2g8rDY2V4i4obysQ0C
A0auD5vP7lX1I0hBQQIDAQAB
-----END?PUBLIC?KEY-----
"""
if?__name__?==?'__main__':
????#?keys?=?get_key()
????#?print(keys["public_key"])
????#?print(keys["private_key"])
????#加密解密
????message?=?"hello?world!!!!!"
????encode_msg?=?rsa_encode(message,?public_key)
????print("encode_msg?====?",?encode_msg)
????
????message?=?rsa_decode(encode_msg,?private_key)
????print("message?====?",?message)
????
????#签名验证
????message?=?"it's?me"
????signature?=?rsa_sinature_encode(message,?private_key)
????print("signature?====?",?signature)
????
????verify?=?rsa_signature_decode(message,?public_key,?signature)
????print("verify?====?",?verify)
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