rsa-converter

This is a script that will convert RSA keys between various formats.

usage: ./rsa-converter [-hrdpqs] < file
 -h : print this message
 -r : output public key in Base64 RFC 3110 format
 -d : output public key in hexadecimal DER format
 -p : output public key in PEM format
 -q : output private key in PEM format (must supply a private key)
 -s : output private key in Racoon/strongSwan < 5.0 format (must supply a private key)

System requirements

• OpenSSL
• Perl
• CPAN modules:
  • Crypt::OpenSSL::RSA
  • Crypt::OpenSSL::Bignum
  • Parse::RecDescent

Debian-based systems

apt-get install libcrypt-openssl-bignum-perl libcrypt-openssl-rsa-perl libparse-recdescent-perl

CPAN

cpan install Crypt::OpenSSL::RSA Crypt::OpenSSL::Bignum Parse::RecDescent