(Ruby) PKCS7 Decrypt MIME

Loads a PKCS7 encrypted MIME file and decrypts. The cert and private key used for decryption is loaded from a PFX file.

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

mime = Chilkat::CkMime.new()

# Load the MIME
success = mime.LoadMimeFile("encryptedMime.txt")
if (success == false)
    print mime.lastErrorText() + "\n";
    exit
end

# The AddPfxSourceFile and/or AddPfxSourceData
# methods may be called one or more times (one per PFX)
# to add sources from which the MIME component will
# search for certificates and private keys when decrypting.
pfxPassword = "myPassword"
success = mime.AddPfxSourceFile("myCertAndPrivateKey.pfx",pfxPassword)
if (success == false)
    print mime.lastErrorText() + "\n";
    exit
end

# Decrypt...
success = mime.Decrypt()
if (success == false)
    print mime.lastErrorText() + "\n";
    exit
end

# Display the decrypted MIME:
print mime.getMime() + "\n";