10.08.2020

Sap Pi Pgp Key Generation

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The SSCR (SAP Software Change Registration) is a procedure which registers all manual changes to SAP sources and SAP Dictionary objects. If an ABAP developer wants to change them in an SAP system, the system will prompt for two access keys.

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  1. Jan 13, 2012  Generating SSH Keys for SFTP Adapters - Type 2. Skip to end of metadata. Created by Anonymous. Use OpenSSL to generate PEM Key. Generate PEM Key using OpenSSL. This will be inbound interface - Bank SFTP server - PI - SAP - ECC. Can PI Team create the keys and share the public key with Bank SFTP server or is that something.
  2. Jan 06, 2013  This blog describes the steps required in order to use that functionality from the Key Storage of SAP NetWeaver. The keys and certificates will be used by a custom adapter module running on SAP PO 7.3 EHP1, but the same procedure can be applied when using standard PI adapters.
  3. Oct 29, 2017 SAP PI sftp connection to bank sftp connection problem public key and private key certificate usage, nwa certificate keystore In this video you will see cloud soap client. Easy than soap ui some.
  4. “PGP Keys” Other PI related prerequisites will apply PGP Keys The ASCII Armored PGP keys can be created by using the steps mentioned the wiki As of now, SAP Netweaver‟s key storage does not support PGP keys. So it needs to be stored in file system where PI is installed.
  5. May 28, 2015 How to generate PGP keys using GPG 1.4.5 on Linux. Terence Munday. If you do, follow the instructions and the key generation process will start automatically.
  6. The Public key that can be shared with partners or even posted publicly somewhere for anyone to access. The Private key that should be kept secure on the system where it was created. The two keys are used for two different purposes. The Public key is used to Encrypt data you are sending. The Private key is used to Decrypt data you receive.
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Applies to:

SAP Netweaver PI based SFTP Adapters

Summary

The following sections briefly describe the steps to create SSH key pairs which can be used as an alternative for password based authentication. It also includes steps to verify key based authentication and import the keys in NWA key storage. It mainly foucses on creating PKCS12 Keys from OpenSSH Keys.

Author(s):

Sivasubramaniam Arunachalam

Company: SAP Labs
Created on: 30-Dec-2011
Author(s) Bio
Sivasubramaniam Arunachalam is a senior developer at SAP Labs (Technology Innovation Platform). He is currently occupied with PI 7.31 development/maintenace activities. Since Sivasubramaniam joined SAP Labs in July 2010, he has developed new features in several adapters/areas including File, JDBC, IDoc, SOAP/XI, HTTP, JPR, B2B(RNIF 1.1/2.0, CIDX & PIDX) Adapters, XML Validation and Mapping Runtime. Currently, he is the component responsible for File, JDBC, B2B Adapters and XML Validation and takes care of all new development, enhancement and maintenance activities.
Table of Contents

Tools Required

  • PuTTY Key Generator
  • PuTTY
  • Open SSL Utility
  • SSH Key Generator
  • Cygwin(for Windows Users) with the following packages
    • OpenSSL
    • SSH

Keys to be Generated

  • Public Key (OpenSSH Format)
  • Private Key (Putty Format)
  • Private Key (PEM)
  • Public Key (X.509 Certificate)
  • Private Key (PKCS 12)

Use PuTTY Key Generator to Create SSH Public/Private Keys

  • Download PuTTYgen.exe from http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html
  • Select SSH2-RSA as a key type
  • Click on 'Generate' and move your mouse cursor in 'Key' section to generate the keys based on random mouse move co-ordinates.
  • After the required mouse movements, it will generate the random key
  • Click 'Save public key' and save it as 'public_key' name
  • It will look like below
  • Click 'Save private key' and save it as 'private_key.ppk' name
  • It will look like below
  • Leave Passphrase fields as blank and Select Conversions -> Export OpenSSH key
  • Ignore the warning by choosing 'Yes'
  • Save it under 'private_key.pem' name
  • It will look like below
  • The following keys are created

Use Open SSL to Create X.509 and P12 Certificates

  • If you are in windows, use Cygwin
  • Navigate to the location where the keys generated above are stored
  • Create the X509 certificate from the private key
  • It will look like below
  • Create the PKCS type 12 Keystore
  • Provide the password (which will be used in channel configuration)
  • The created key would be in encrypted (binary) form

Import the Private Key into NWA Key Store

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  • Open the nwa key store and create a new view called SFTP_TEST
  • Click on 'Import Entry' and select the generated p12 file
  • After import, verify the entries.

Configure the Public Key in SSH Server

  • Copy the public key in to SSH Server via SFTP
  • Login to SSH server verify the copied public key
  • Since the public key does not have any permissions, change it to 400 (for read)
  • Use ssh-keygen tool to create openSSH format public key

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  • Add the created openSSH public key to authorized_keys filles
  • Check the permissions of .ssh folder and authorized_keys file for access permissions
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Verify the Key Pairs with PuTTY

  • Now, the key based authentication can be verified with PuTTY.
  • Enter the host name and port
  • Select the private key (.ppk)
  • Confirm the Security alert

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  • If the configuration is correct, the connection will be established successfully