39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
import base64
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import hashlib
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def sign(data, privatekey):
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from lib import rsa
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from lib.rsa import pkcs1
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if "BEGIN RSA PRIVATE KEY" not in privatekey:
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privatekey = "-----BEGIN RSA PRIVATE KEY-----\n%s\n-----END RSA PRIVATE KEY-----" % privatekey
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priv = rsa.PrivateKey.load_pkcs1(privatekey)
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sign = rsa.pkcs1.sign(data, priv, 'SHA-256')
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return sign
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def verify(data, publickey, sign):
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from lib import rsa
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from lib.rsa import pkcs1
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pub = rsa.PublicKey.load_pkcs1(publickey, format="DER")
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try:
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valid = rsa.pkcs1.verify(data, sign, pub)
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except pkcs1.VerificationError:
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valid = False
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return valid
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def privatekeyToPublickey(privatekey):
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from lib import rsa
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from lib.rsa import pkcs1
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if "BEGIN RSA PRIVATE KEY" not in privatekey:
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privatekey = "-----BEGIN RSA PRIVATE KEY-----\n%s\n-----END RSA PRIVATE KEY-----" % privatekey
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priv = rsa.PrivateKey.load_pkcs1(privatekey)
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pub = rsa.PublicKey(priv.n, priv.e)
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return pub.save_pkcs1("DER")
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def publickeyToOnion(publickey):
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return base64.b32encode(hashlib.sha1(publickey).digest()[:10]).lower().decode("ascii")
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