| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061 |
- #!/usr/bin/env python
- #
- # Read CMC certificate request with wrappers on stdin, parse each into
- # plain text, then build substrate from it
- #
- import sys
- from pyasn1.codec.der import decoder
- from pyasn1.codec.der import encoder
- from pyasn1_modules import pem
- from pyasn1_modules import rfc5652
- from pyasn1_modules import rfc6402
- if len(sys.argv) != 1:
- print("""Usage:
- $ cat cmc_request.pem | %s""" % (sys.argv[0],))
- sys.exit(-1)
- reqCnt = 0
- substrate = pem.readBase64FromFile(sys.stdin)
- _, rest = decoder.decode(substrate, asn1Spec=rfc5652.ContentInfo())
- assert not rest
- next_layer = rfc5652.id_ct_contentInfo
- data = substrate
- while next_layer:
- if next_layer == rfc5652.id_ct_contentInfo:
- layer, rest = decoder.decode(data, asn1Spec=rfc5652.ContentInfo())
- assert encoder.encode(layer) == data, 'wrapper recode fails'
- assert not rest
- print(" * New layer (wrapper):")
- print(layer.prettyPrint())
- next_layer = layer['contentType']
- data = layer['content']
- elif next_layer == rfc5652.id_signedData:
- layer, rest = decoder.decode(data, asn1Spec=rfc5652.SignedData())
- assert encoder.encode(layer) == data, 'wrapper recode fails'
- assert not rest
- print(" * New layer (wrapper):")
- print(layer.prettyPrint())
- next_layer = layer['encapContentInfo']['eContentType']
- data = layer['encapContentInfo']['eContent']
- elif next_layer == rfc6402.id_cct_PKIData:
- layer, rest = decoder.decode(data, asn1Spec=rfc6402.PKIData())
- assert encoder.encode(layer) == data, 'pkidata recode fails'
- assert not rest
- print(" * New layer (pkidata):")
- print(layer.prettyPrint())
- next_layer = None
- data = None
|