Created
March 13, 2018 13:43
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| import json | |
| from asn1crypto import pem, keys | |
| with open('components/key.pub', 'rb') as f: | |
| der_bytes = f.read() | |
| if pem.detect(der_bytes): | |
| type_name,headers,decoded_bytes = pem.unarmor(der_bytes) | |
| key = keys.PublicKeyInfo.load(decoded_bytes) | |
| n = key.native["public_key"]["modulus"] | |
| e = key.native["public_key"]["public_exponent"] | |
| print("{:#x}".format(n)) | |
| print("{:#x}".format(e)) | |
| # | |
| # print(type_name) | |
| # print(headers) | |
| # print(decoded_bytes) | |
| # der_hex = bytes(decoded_bytes).hex() | |
| # print(der_hex) | |
| # print(key) | |
| headers_s = json.dumps(headers) | |
| decoded_bytes_s = str(decoded_bytes) | |
| with open('test_file.txt', 'w') as f: | |
| # pem_bytes = pem.armor('CERTIFICATE', der_bytes) | |
| f.write(type_name) | |
| f.write(headers_s) | |
| f.write(decoded_bytes_s) |
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