python rsa解密_python中对RSA的加密和解密

首先，生成一对密钥，并保存

def create_keys(): # 生成公钥和私钥

(pubkey, privkey) = rsa.newkeys(1024)

pub = pubkey.save_pkcs1()

with open(public.pem,wb+)as f:

f.write(pub)

pri = privkey.save_pkcs1()

with open(private.pem,wb+)as f:

f.write(pri)

对信息进行加密和解密的过程：

def encrypt(): # 用公钥加密

with open(public.pem, rb) as publickfile:

p = publickfile.read()

pubkey = rsa.PublicKey.load_pkcs1(p)

original_text = have a good time.encode(utf8)

crypt_text = rsa.encrypt(original_text, pubkey)

print(crypt_text)

return crypt_text # 加密后的密文

def decrypt(crypt_text): # 用私钥解密

with open(private.pem, rb) as privatefile:

p = privatefile.read()

privkey = rsa.PrivateKey.load_pkcs1(p)

lase_text = rsa.decrypt(crypt_text, privkey).decode() # 注意，这里如果结果是bytes类型，就需要进行decode()转化为str

print(lase_text)

if __name__ == __main__:

crypt_text = encrypt()

lase_text = decrypt(crypt_text)

首先，生成一对密钥，并保存 def create_keys(): # 生成公钥和私钥 (pubkey, privkey) = rsa.newkeys(1024) pub = pubkey.save_pkcs1() with open(public.pem,wb+)as f: f.write(pub) pri = privkey.save_pkcs1() with open(private.pem,wb+)as f: f.write(pri) 对信息进行加密和解密的过程： def encrypt(): # 用公钥加密 with open(public.pem, rb) as publickfile: p = publickfile.read() pubkey = rsa.PublicKey.load_pkcs1(p) original_text = have a good time.encode(utf8) crypt_text = rsa.encrypt(original_text, pubkey) print(crypt_text) return crypt_text # 加密后的密文 def decrypt(crypt_text): # 用私钥解密 with open(private.pem, rb) as privatefile: p = privatefile.read() privkey = rsa.PrivateKey.load_pkcs1(p) lase_text = rsa.decrypt(crypt_text, privkey).decode() # 注意，这里如果结果是bytes类型，就需要进行decode()转化为str print(lase_text) if __name__ == __main__: crypt_text = encrypt() lase_text = decrypt(crypt_text)

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