Created
April 12, 2013 22:53
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two factor auth. stick your various provider's one-time keys in the dictionary there (the thing you get from the QR code)
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| #!/usr/local/bin/python | |
| keys = { | |
| 'some_provider':'SOMEKEYTHATISABIGSTRINGRIGHTHERE' | |
| } | |
| import hmac, base64, struct, hashlib, time | |
| def get_hotp_token(secret, intervals_no): | |
| key = base64.b32decode(secret, True) | |
| msg = struct.pack(">Q", intervals_no) | |
| h = hmac.new(key, msg, hashlib.sha1).digest() | |
| o = ord(h[19]) & 15 | |
| h = (struct.unpack(">I", h[o:o+4])[0] & 0x7fffffff) % 1000000 | |
| return h | |
| def get_totp_token(secret): | |
| return get_hotp_token(secret, intervals_no=int(time.time())//30) | |
| if __name__ == '__main__': | |
| for key, value in keys.items(): | |
| print key, "%.6d" % get_totp_token(value) |
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