1 files changed, 97 insertions, 0 deletions
diff --git a/examples/ossl_pkey.rb b/examples/ossl_pkey.rb
new file mode 100755
index 0000000..1876ba4
--- /dev/null
+++ b/examples/ossl_pkey.rb
@@ -0,0 +1,97 @@
+#!/usr/bin/env ruby
+
+require 'openssl'
+include OpenSSL
+include PKey
+include Cipher
+include Digest
+
+puts "==RSA=="
+p rsa = PKey::RSA.new(512) {|p, n| #the same as in OpenSSL
+  if (p==0) then putc "." #BN_generate_prime
+  elsif (p==1) then putc "+" #BN_generate_prime
+  elsif (p==2) then putc "*" #searching good prime, n = #of try, but also data from BN_generate_prime
+  elsif (p==3) then putc "\n" #found good prime, n==0 - p, n==1 - q, but also data from BN_generate_prime
+  else putc "*" #BN_generate_prime
+  end
+}
+
+puts ".......=sign'n'verify"
+txt = <<END
+Ruby is copyrighted free software by Yukihiro Matsumoto <matz@netlab.jp>.
+You can redistribute it and/or modify it under either the terms of the GPL
+(see the file GPL), or the conditions below:
+
+  1. You may make and give away verbatim copies of the source form of the
+     software without restriction, provided that you duplicate all of the
+     original copyright notices and associated disclaimers.
+
+  2. You may modify your copy of the software in any way, provided that
+     you do at least ONE of the following:
+
+       a) place your modifications in the Public Domain or otherwise
+          make them Freely Available, such as by posting said
+	  modifications to Usenet or an equivalent medium, or by allowing
+	  the author to include your modifications in the software.
+
+       b) use the modified software only within your corporation or
+          organization.
+
+       c) rename any non-standard executables so the names do not conflict
+	  with standard executables, which must also be provided.
+
+       d) make other distribution arrangements with the author.
+
+  3. You may distribute the software in object code or executable
+     form, provided that you do at least ONE of the following:
+
+       a) distribute the executables and library files of the software,
+	  together with instructions (in the manual page or equivalent)
+	  on where to get the original distribution.
+
+       b) accompany the distribution with the machine-readable source of
+	  the software.
+
+       c) give non-standard executables non-standard names, with
+          instructions on where to get the original software distribution.
+
+       d) make other distribution arrangements with the author.
+
+  4. You may modify and include the part of the software into any other
+     software (possibly commercial).  But some files in the distribution
+     are not written by the author, so that they are not under these terms.
+
+     For the list of those files and their copying conditions, see the
+     file LEGAL.
+
+  5. The scripts and library files supplied as input to or produced as 
+     output from the software do not automatically fall under the
+     copyright of the software, but belong to whomever generated them, 
+     and may be sold commercially, and may be aggregated with this
+     software.
+
+  6. THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR
+     IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+     WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+     PURPOSE.
+END
+p sig = rsa.sign(SHA1.new, txt)
+p rsa.verify(SHA1.new, sig, txt)
+puts ".......=encrypt'n'decrypt"
+txt2 = "Hello out there!"
+p enc = rsa.public_encrypt(txt2)
+p rsa.private_decrypt(enc)
+
+puts "==DSA=="
+p dsa = PKey::DSA.new(512) {|p, n| #the same as in OpenSSL
+  if (p==0) then putc "."
+  elsif (p==1) then putc "+"
+  elsif (p==2) then putc "*" #(2,1)=>found q
+  elsif (p==3) then putc "\n" #(3,1)=>generated g
+  else putc "*"
+  end
+}
+puts ".......=sign'n'verify"
+p sig = dsa.sign(DSS.new, txt)
+p dsa.verify(DSS.new, sig, txt)
+