Top "Asn.1" questions

Correctly create RSACryptoServiceProvider from public key

I'm currently trying to create an RSACryptoServiceProvider object solely from a decoded PEM file. After several days of searching, I …

c# rsa pem asn.1 rsacryptoserviceprovider

ASN1_TIME to time_t conversion

How can I convert ASN1_TIME to time_t format? I wanted to convert the return value of X509_get_…

openssl ssl-certificate asn.1

Decoding an ASN.1 DER OCTET STRING with OpenSSL

Using the OpenSSL API, I have extracted a custom extension from a X.509v3 certificate with: X509_EXTENSION* ex = X509_…

openssl x509 asn.1 der

SNMP: ASN.1 MIB Definitions. Referencing a table within a table

Its's been a while since I've written ASN.1 so.. Our data model is comprised of several table definitions within a …

snmp asn.1

What is an ASN file and how do I use it?

I am trying to work with a communication protocol (S1AP to be specific) and I am trying to define …

networking packet packet-capture asn.1 lte

Reading a ASN.1 DER-encoded RSA Public key

I'm writing an app to get a better understanding of DKIM. The spec says I retrieve a "ASN.1 DER-encoded" public …

c# cryptography rsa asn.1

Decode SNMP PDUs - Where to Start?

Hello my first ever question on here, in need of bit of guidance. I'm working on a packet sniffer mainly …

decode snmp asn.1 ber

Is there a good C++ library to read, create and modify BER encoded files?

There are several tools that can automatically generate C++ (or other) code for reading and writing BER encoded files. In …

c++ asn.1 der

ASN.1 DER formatted private key

Why is the modulus padded with leading zeros? I was reading PKCS#1 and PKCS#8 but didn't find anything about it. …

asn.1 pkcs#8 pkcs#1

Retrieve Subject alternative names of X.509 certificate in java

I have tried using the solution provided in this link. I am getting following error when i tried reading subject …

java x509certificate asn.1