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Questions tagged [der]

Distinguished Encoding Rules (DER) certificate encoding is a method of turning ASN.1 attributes and values into a machine-friendly format.

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Generate RSA private key from n, e, d, p, q values in bash with OpenSSL

I have calculated n, e, d, p, q values of an RSA key. Now, how can I generate a private key file (pem or der) with openssl command line tools? I was thinking about openssl asn1parse -genconf asn1.cnf -noout -out asn1.der but I cannot understand…
Lorenzo Barbagli
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How to decode a .csr file in java to extract its content

I have three kinds of files to decode namely .csr and .der and .key files.I am able to decode .der file using the java as below. public class Base64Decoder { public static void main(String[] args) throws FileNotFoundException, IOException { …
LathaPatil
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PHP DSA Signature Conversion from DER ASN.1 to XMLDSIG P1363

I am writing a PHP app (acting as a SAML IdP) which is trying to do a login via a SAML Response to a server (acting as the SAML SP. I am currently stuck with the server rejecting the request (I just get a 500 Bad Request). I have written a test app…
Torid
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ASN1C DER decoder

I'm trying to create simple DER decoder - console application that just outputs content of given data structure (encoded in DER format, like this one). I have problems with running this example: A ''Rectangle'' Decoder . I'm trying to compile it…
LihO
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ASN.1 / DER Encoding of Integers

I'm currently starting to work with DER (Distinguished Encoding Rules) encoding and have problems understanding the encoding of integers. In the reference document https://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf this encoding is…
Bilbo
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Convert der certificate to p12

I am trying to upload my adobe air app to Google Play. I have opted in for Google Play App Signing and cannot opt out now. They provide me with .der certificate which I wish to convert to p12 in order to use it in my adobe AIR app. I know this can…
Shahbaz Pothiawala
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Converting PEM to DER in C++

I have a certificate in PEM format that I want to convert it to DER format using OpenSLL functions in C++. How can I do it? Thanks.
itayb
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OpenSSL PHP Function doesn't work

I'm looking for days how to translate this command to OpenSLL php function: $ openssl pkcs8 -inform DER -in aaa010101aaa_CSD_01.key -out AAA010101AAA.key.pem Enter Password: a0123456789 This work perfect, but I can't (I don't know) use the correct…
Palmor
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Where is my interpretation of ASN1 der wrong?

Here is what my structure looks like: SET OF SEQUENCE: INTEGER: XX INTEGER: YY My encoding looks like this: 11 08 10 06 02 01 XX 02 01 YY 11 08 -- SET OF 10 06 -- SEQUENCE However, when I decode with openssl, I don't see…
ExceptionHandler
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Load a .key file from DER format to PEM with PHP

I have a code that makes the transformation but need to do it with native PHP functions because it is not activated support for running exec: exec("openssl pkcs8 -inform DER -in 'archivo.key' -out 'archivo.key.pem' -passin…
Nestor
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Unwrapping DER signed content in PHP

I have a DER signed file and I want to extract his content stripping the signature... Php openssl_pkcs7_verify function only works with PEM signed files, that's the first thing I've discovered. So I've base64 encoded the content, saved it to a file…
Damiano Daccò
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Import DER encoded public key using crypto API

Is it possible to import DER encoded public key using MS crypto API? So i can verfiy signatures ? I need a piece of code or help for MS Crypto API for importing DER encoded public-key/certificate.
Ali
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Install .der file and return back to the app on completion

I have an app that needs a certificate installing, which it does so using [[UIApplication sharedApplication] openURL:[NSURL URLWithString:CERTIFICATE_URL]]; This hits a web server, gets the certificate and starts the Settings app allowing the user…
bandejapaisa
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Translate PEM to DER on Windows CE 3

I have a RSA public key crypto wrapper which works quite well in desktop Windows and Windows Embedded/POSReady. I need to port this system to both Windows CE 5 and Windows CE 3. In part of this system, I allow developers to import various crypto…
Patrick W
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Convert DER-encoded data to text in c#

I have opened another question on how to save certificate data as human readable ASN.1-text. But maybe this question is to specific and i would have better asked more generalized: Is there a converter for converting DER-encoded data into plain text…
HCL
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