(CkPython) Example: Crypt2.GetSignedAttributes method

Demonstrates how to call the GetSignedAttributes method.

Chilkat Python Downloads install with pip pip3 install chilkat or download... Python Module for Windows, MacOS, Linux, Alpine Linux

import sys
import chilkat

crypt = chilkat.CkCrypt2()

bdPkcs7 = chilkat.CkBinData()
success = bdPkcs7.LoadFile("qa_data/cades/CAdES-T/Signature-C-T-1.p7m")
if (success == False):
    print(bdPkcs7.lastErrorText())
    sys.exit()

json = chilkat.CkJsonObject()
json.put_EmitCompact(False)

sbJson = chilkat.CkStringBuilder()
i = 0
tryNext = True
while tryNext :
    if (crypt.GetSignedAttributes(i,bdPkcs7,sbJson) == True):
        json.LoadSb(sbJson)
        print(str(i) + ": ")
        print(json.emit())
    else:
        tryNext = False

    i = i + 1

# Sample output:

# 0: 
# {
#   "signedAttributes": [
#     {
#       "oid": "1.2.840.113549.1.9.3",
#       "name": "Content Type"
#     },
#     {
#       "oid": "1.2.840.113549.1.9.5",
#       "name": "Signing Time"
#     },
#     {
#       "oid": "1.2.840.113549.1.9.4",
#       "name": "Message Digest"
#     },
#     {
#       "oid": "1.2.840.113549.1.9.16.2.47",
#       "name": "Signing Certificate V2"
#     }
#   ]
# }