50 lines
1.3 KiB
Python
50 lines
1.3 KiB
Python
import os
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import base64
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from Crypto.PublicKey import RSA
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from Crypto.Cipher import PKCS1_v1_5 as PKCS1_cipher
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# 获取密钥
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def get_key(**kwargs):
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# 密钥文件
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key_file = kwargs['key_file']
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# 密钥文件绝对路径
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rsa_key_path = os.path.dirname(__file__) + '/static/rsa/' + key_file
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with open(rsa_key_path) as f:
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data = f.read()
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key = RSA.importKey(data)
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return key
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# 用公钥加密
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def encrypt_data(**kwargs):
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# 待加密信息
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msg = kwargs['msg']
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# 获取密钥
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public_key = get_key(key_file='rsa_public_key.pem')
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cipher = PKCS1_cipher.new(public_key)
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encrypt_text = base64.b64encode(cipher.encrypt(bytes(msg.encode("utf8"))))
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return encrypt_text.decode('utf-8')
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# 用私钥解密
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def decrypt_data(**kwargs):
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# 待加密信息
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encrypt_msg = kwargs['encrypt_msg']
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# 获取密钥
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private_key = get_key(key_file='rsa_private_key.pem')
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cipher = PKCS1_cipher.new(private_key)
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back_text = cipher.decrypt(base64.b64decode(encrypt_msg), 0)
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return back_text.decode('utf-8')
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# 检验
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def check_encrypt_decrypt(**kwargs):
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msg = kwargs['msg']
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decrypt_msg = decrypt_data(encrypt_msg=kwargs['encrypt_msg'])
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if msg == decrypt_msg:
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return True
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else:
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return False
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