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Procedures for calling the OpenSSL-Toolkit

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The OpenSSL-Toolkit is available for performing certain tasks when X.509 certificates are created, for example for

  • generating X.509 Certificate Signing Requests (CSR) and test certificates

  • displaying certificates in readable form

  • selecting a suitable cipher suite list specification

The OpenSSL-Toolkit was used for implementing the TLS functions.

As the OpenSSL-Toolkit offers far greater functionality than is required for FTP and TELNET, operation is simplified by using some SDF-P procedures which are contained in the LMS library SYSSPR.TCP-IP-AP.nnn.

These procedures are available in the following form:

  • As compiled procedures. This enables the procedures also to be used by users who only have SDF-P-BASYS, but not the chargeable subsystem SDF-P (SYSJ elements).

  • As J elements. The source text of the procedures is thus also available.

A description of the following procedures is provided below:

  • MAKE.CERT - Generating test certificates and CSRs (RSA or DSA, 2048/1024 bits)

  • MAKE.SELF-SIGNED-CERT - Generating private key and related self-signed certificate
  • EXPORT.FROM-PKCS12 - Export content of a PKCS#12/PFX file
  • SHOW.CERT - Showing X.509 certificates in plain text

  • SHOW.CIPHERLIST - Selecting a suitable cipher suite list specification

  • GEN.DHPARAM - Generating DH parameter set