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from Crypto import Random
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from Crypto.Hash import SHA
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from Crypto.Cipher import PKCS1_v1_5 as Cipher_pkcs1_v1_5
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from Crypto.Signature import PKCS1_v1_5 as Signature_pkcs1_v1_5
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from Crypto.PublicKey import RSA
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import base64
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random_generator= Random.new().read
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print("rand:",random_generator)
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def RsaEncrypt(message,key):#RSA加密
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rsakey = RSA.importKey(key) #生成RSA密钥对象
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cipher = Cipher_pkcs1_v1_5.new(rsakey) #生成一个pkcs1 对象
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if isinstance(message,str):
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message=message.encode('utf-8')
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cipher_text = base64.b64encode(cipher.encrypt(message)) #生成一个bytes对象
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print(cipher_text.decode('utf-8'))
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return cipher_text #返回一个bytes对象，如果要显示需要utf8编码
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def RsaDecrypt(encrypt_text,key):#RSA解密
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global random_generator
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rsakey = RSA.importKey(key)
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cipher = Cipher_pkcs1_v1_5.new(rsakey)
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if isinstance(encrypt_text,str):
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encrypt_text=base64.b64decode(encrypt_text)
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text = cipher.decrypt(encrypt_text,random_generator)
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print("测试点test",type(text))
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return text #返回bytes对象，显示需要utf8编码
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def RsaSignal(message,key):#消息摘要
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if isinstance(message,str):
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message=message.encode()
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rsakey = RSA.importKey(key)
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signer = Signature_pkcs1_v1_5.new(rsakey)
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digest = SHA.new()
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digest.update(message)
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sign = signer.sign(digest)
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signature = base64.b64encode(sign)
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print(signature)
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return signature
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def VerRsaSignal(message,signature,key):#验证消息摘要
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if isinstance(message,str):
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message=message.encode()
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print("signtype",type(signature))
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rsakey = RSA.importKey(key)
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verifier = Signature_pkcs1_v1_5.new(rsakey)
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digest = SHA.new()
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# Assumes the data is base64 encoded to begin with
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digest.update(message)
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is_verify = verifier.verify(digest, base64.b64decode(signature))
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print(is_verify)
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return is_verify
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if __name__ == '__main__':
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mes='你好yo'
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pubkey='''-----BEGIN PUBLIC KEY-----
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MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvSChFb9Y6xwb+XTMIcHR
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Q5lujD1J7v93TwJvUE7e6SEVpQEjfFKpjVEFpJUONdagBRYYkO4TA6k9gpAPmPCF
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nucttQBMAkTMDtxLndOKI0MOc5THw0h1fschm6CyJzkGoVYlPr0vU2Oq10yK0s7y
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uYqTzJB5sOLjRCGxdIw9V3UmpggK+IfQ6yXrM/dXy4h13zR6IzHnJ8tBH0VvvPes
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z/fMrN/HWw6av13CZuS12qEU/Jij+8ZvpKxn6kd1BO4+g9UW4ExsEq95+qFTOJIj
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hlm7yJCCsHfNq/r1nIa/NbpigQG0TS26r8sWTLgPmYysBTONFwX+NtCbbESRwRMo
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gQIDAQAB
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-----END PUBLIC KEY-----'''
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prikey='''-----BEGIN RSA PRIVATE KEY-----
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MIIEowIBAAKCAQEAvSChFb9Y6xwb+XTMIcHRQ5lujD1J7v93TwJvUE7e6SEVpQEj
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fFKpjVEFpJUONdagBRYYkO4TA6k9gpAPmPCFnucttQBMAkTMDtxLndOKI0MOc5TH
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w0h1fschm6CyJzkGoVYlPr0vU2Oq10yK0s7yuYqTzJB5sOLjRCGxdIw9V3UmpggK
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+IfQ6yXrM/dXy4h13zR6IzHnJ8tBH0VvvPesz/fMrN/HWw6av13CZuS12qEU/Jij
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+8ZvpKxn6kd1BO4+g9UW4ExsEq95+qFTOJIjhlm7yJCCsHfNq/r1nIa/NbpigQG0
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TS26r8sWTLgPmYysBTONFwX+NtCbbESRwRMogQIDAQABAoIBABCU9cqkVjV253T9
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qpAjICffIfQlw3+y4lEJE51k7OJfxjgLW4Mg9ECxo98EOpS51pnbkBfU59HgWsZB
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vzxXij+eYUGHXyKryYBcDD0wOOJSlMfJeaJDjhmpd+bfNf9+Xnhyxx0zFR0olef+
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jAVjo6Bk6AR9fk3l9qsYkSh4y0AJnJuPnMjISqjn6LfGXf1VAVCkHljLRTHzIzw3
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ZbV1rNWNQq8znaNGQP1sGAXpu1x+XfQFJZVUDtVeC9E2bB3TQe5D+LIFCtZrUkpK
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PNOCqce9oOUgErUub73+fTMMvBX5rU2m6zuhmZjl9s8PHVsDv1/GMyU/6Krrhh8E
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n11ipEkCgYEAw+oFfJhs4DtC+IqC0WaI4v6BB4EoYDoaAhHjNQZ0gx5k1AtIeNpN
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YKCFF0IPyIQbDWve+hspxJ47zcOZuS85UfRFjkfohwYE4UdhViUAwsIiFePZMEz8
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3R2XGL0lHbXnZ2KRD0u9w+u9YfPLngsnHBUZxRp7iG48apP2nYfRCrcCgYEA9yHC
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NOVb7ER9NMrSRkCCh6qM0jPUsCFFBPv63s6ZKKioyqHYUPVPP9ZxxsQpya+NUPiS
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vf56ccGFqtjKMDIMQh+POTPkFEyjFHwoxXxg76xz2uCpyQVsSQTNCwy9LkEavjNe
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sebB+a8iH2gTL5zIXObaTBC4iANhQ+OtR6BDjocCgYAVT6qjIA2P4sJpON/8GVRA
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pQCyKUmUFh3oJbv6c6ZO8Qp0ynlqtAyAu1Ve70+6NyyeLCLIQBYuDixhOKrLKyjo
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ElNSo93WekAjpVkgPswzY1zD1tI0X9uNzf82sLSN49C1PVKcQFf3LPif5B49Jedu
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NZllCHlxoNQvn8LO5gxGRwKBgQCD+CYSQyy8VbKa33g8hbRuqBe9JGp+h7WovLqy
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ApdtS+ufEaBHU0g3qddmMliyWCnZxHPwO5W9a39qxYvrAr7jDKFaBajVYjtv9AF9
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vDazpl7T0kc4jsnNkF/Cd9IKgj+6tAnsbHLHV8ucA+LC+TFR0wFdv0wbbdqh+1IM
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Prv0vwKBgFUAow5ttHgBtG5Ap4evsRgWzGaF2wOGzEOK3rwS5fIGY67A1YN35Q+C
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SmkGVcozf8rFeyMCwk68XoLff1i14iQDAarAjvdWo0ww/gjA50kdrgFb7FpjbZNE
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0kOV6q4vFJIjT8g2CeJ1MmBEuHhflC+gNBWmlEs+xaghA7/cbop2
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-----END RSA PRIVATE KEY-----'''
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a=RsaEncrypt(mes,pubkey)
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b=RsaDecrypt(a,prikey)
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c=RsaSignal(mes,prikey)
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digitttt='IUvR9162yrRtQAfhhVZrefB9yCwSL+kf81iudLqcDyKesokwvhjZeOpUlXR7zYOokThhelPrqtE4DIsXIxNb7FY9QgwLFkCGSQG17h09FJaZQmDLaUmtDutXDFgGZ9j5Mzln1nCtOWDreey9YbeJaRsDRj4jjp1ZOCdsC8pN65M='
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digitttt=digitttt.encode('utf-8')
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pppuuu='''-----BEGIN PUBLIC KEY-----
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MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCsCp6xhC5Tr7ucaRNU3aKMsvv8
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PtxlQdl4LTys5F6wKM11MeJSXwruiUBbDHhySLfy5ZPpYxsfa5ez6hbaZoMyk+xd
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p1jWehUWqouFA/OmHxQ4jjmhxJ40cNcm/TAkyl8zci0uGaird26x2NUa4o8BpnE5
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TokPhvYzdhsx05FQuwIDAQAB
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-----END PUBLIC KEY-----'''
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pppuuu=pppuuu.encode('utf-8')
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mess='你好，世界'
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d = VerRsaSignal(mess, digitttt, pppuuu)
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print("d",d)
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