48 lines
1.1 KiB
Python
48 lines
1.1 KiB
Python
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#!/usr/bin/env python
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#
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# This file is part of pyasn1-modules software.
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#
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# Copyright (c) 2005-2019, Ilya Etingof <etingof@gmail.com>
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# License: http://snmplabs.com/pyasn1/license.html
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#
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# Read ASN.1/PEM X.509 certificate requests (PKCS#10 format) on stdin,
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# parse each into plain text, then build substrate from it
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#
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import sys
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from pyasn1.codec.der import decoder
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from pyasn1.codec.der import encoder
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from pyasn1_modules import pem
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from pyasn1_modules import rfc2314
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if len(sys.argv) != 1:
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print("""Usage:
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$ cat certificateRequest.pem | %s""" % sys.argv[0])
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sys.exit(-1)
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certType = rfc2314.CertificationRequest()
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certCnt = 0
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while True:
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idx, substrate = pem.readPemBlocksFromFile(
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sys.stdin, ('-----BEGIN CERTIFICATE REQUEST-----',
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'-----END CERTIFICATE REQUEST-----')
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)
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if not substrate:
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break
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cert, rest = decoder.decode(substrate, asn1Spec=certType)
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if rest:
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substrate = substrate[:-len(rest)]
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print(cert.prettyPrint())
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assert encoder.encode(cert) == substrate, 'cert recode fails'
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certCnt += 1
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print('*** %s PEM certificate request(s) de/serialized' % certCnt)
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