1)   PDF Encrypt COM/SDK Unlimited License 2.3
PDF Encrypt allows you to encrypt (using standard 40-bit or 128-bit supported by Acrobat Reader 5.0 and up) existing PDFs, set permissions, add user and owner password.
PDF Encrypt, Encrypt PDF, PDF Encryption, PDF Secure, PDF Security, PDF Protect, PDF Protector, PDF Protection, Adobe pdf file, Acrobat,

 2)   ap PDF Encrypt 2.3
PDF Encrypt allows you to encrypt (using standard 40-bit or 128-bit supported by Acrobat Reader 5.0 and up) existing PDFs, set permissions, add user and owner password.
PDF Encrypt, Encrypt PDF, PDF Encryption, PDF Secure, PDF Security, PDF Protect, PDF Protector, PDF Protection, Adobe pdf file, Acrobat,

 3)   PDF Encrypt COM/SDK 2.3
PDF Encrypt allows you to encrypt (using standard 40-bit or 128-bit supported by Acrobat Reader 5.0 and up) existing PDFs, set permissions, add user and owner password.
PDF Encrypt, Encrypt PDF, PDF Encryption, PDF Secure, PDF Security, PDF Protect, PDF Protector, PDF Protection, Adobe pdf file, Acrobat,