1 files changed, 22 insertions, 0 deletions
diff --git a/sample/openssl/smime_write.rb b/sample/openssl/smime_write.rb
new file mode 100644
index 0000000000..e1254d8748
--- /dev/null
+++ b/sample/openssl/smime_write.rb
@@ -0,0 +1,22 @@
+require 'openssl'
+require 'optparse'
+
+options = ARGV.getopts("c:k:r:")
+
+cert_file = options["c"]
+key_file  = options["k"]
+rcpt_file = options["r"]
+
+cert = OpenSSL::X509::Certificate.new(File::read(cert_file))
+key = OpenSSL::PKey::read(File::read(key_file))
+
+data  = "Content-Type: text/plain\r\n"
+data << "\r\n"
+data << "This is a clear-signed message.\r\n"
+
+p7sig  = OpenSSL::PKCS7::sign(cert, key, data, [], OpenSSL::PKCS7::DETACHED)
+smime0 = OpenSSL::PKCS7::write_smime(p7sig)
+
+rcpt  = OpenSSL::X509::Certificate.new(File::read(rcpt_file))
+p7enc = OpenSSL::PKCS7::encrypt([rcpt], smime0)
+print OpenSSL::PKCS7::write_smime(p7enc)