2016-11-30 10:57:03 +01:00
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#!/usr/bin/env python2
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2016-11-23 06:35:12 +01:00
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import sys
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import pywii as wii
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if len(sys.argv) not in (2,3):
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print "Usage: %s keyfile.priv [keyfile.pub]"%sys.argv[0]
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sys.exit(1)
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if sys.argv[1] == "-":
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k = sys.stdin.read()
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else:
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k = open(sys.argv[1],"rb").read()
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if len(k) != 30:
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print "Failed to read private key"
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sys.exit(2)
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print "Public key:"
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q = wii.ec.priv_to_pub(k)
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pq = q.encode('hex')
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print "X =",pq[:30]
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print " ",pq[30:60]
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print "Y =",pq[60:90]
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print " ",pq[90:]
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if len(sys.argv) == 3:
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fd = open(sys.argv[2],"wb")
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fd.write(q)
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fd.close()
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print "Saved public key to %s"%sys.argv[2]
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