Dear all:
I need to interpret a .pem file (such as the attached
ICE-root.pem sample file) and convert it into a
readable format like the following (for the purpose of
a certificate verification):
Certificate:
Data:
Version: 3 (0x2)
Serial Number: 0 (0x0)
Signature Algorithm: md5WithRSAEncrytion
Issuer: O=European ICE-TEL project ...
...
I've been poking around the openssl v0.9.4 srouce file
for two weeks, and could not get a program working
correctly. Can any of you help me:
- point me to a right source files, such as
crypto/evp/encode.c ?
crypto/asn1/*
...
a simple sample code is ver much appreciated.
(i've decoded the .pem from the base64 into
hex binary.)
- What does the file demos/maurice/example4.c
really do ? It seems a good *small*
sample file, but it does not seem to convert
a .pem or a hex file into a readable format.
- where can i find a description of the format
of a certificate in a .pem file ?
Does it start with an envelope or does
it start with an X.509 cert info ?
- Where can I get the spec of X.509 of a certificate ?
Thank you in advance for help.
/yy
Attachment: ICE-root.pem
##############################
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
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