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33 lines
850 B
Python
Executable File
33 lines
850 B
Python
Executable File
#! /usr/bin/python
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import sys, binascii
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from subprocess import check_output
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def get_gpg_public_key(keygrip):
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result = check_output(["gpg-connect-agent", "READKEY %s" % keygrip, "/bye"])
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key = ""
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while True:
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i = result.find('%')
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if i < 0:
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key += result
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break
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hex_str = result[i+1:i+3]
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key += result[0:i]
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key += chr(int(hex_str,16))
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result = result[i+3:]
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pos = key.index("D (10:public-key(3:rsa(1:n257:") + 31 # skip NUL too
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pos_last = key.index(")(1:e3:")
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key = key[pos:pos_last]
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if len(key) != 256:
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raise ValueError, binascii.hexlify(key)
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return key
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if __name__ == '__main__':
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keygrip = sys.argv[1]
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k = get_gpg_public_key(keygrip)
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shorthand = keygrip[0:8] + ".bin"
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f = open(shorthand,"w")
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f.write(k)
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f.close()
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