password vs passphrase

[yoshie902a]

In the example below, I have tried password and passphrase. Neither seem to allow me to run my code without a openpgp box prompting for the passphrase, the following message:

Pinentry Mac
"Please enter the passphrase to unlock the secret key for the OpenPGP certificate"
What do I need to change to allow my code to run without the prompt? I know my password is correct in the code.

I have tried :
ctx = GPGME::Ctx.new :password=> 'password'
and this:
ctx = GPGME::Ctx.new :passphrase_callback => method(:passfunc)

But both do not seem to work. Any advice is appreciated.

  def self.passfunc(obj, uid_hint, passphrase_info, prev_was_bad, fd)
    io = IO.for_fd(fd, 'w')
    io.puts 'password'
    io.flush
  end

  def self.decrypt_file(local_file, decrypted_file = nil)
    # Set decrypted file path if one is not provided
    decrypted_file = local_file.chomp(File.extname(local_file)) + ".csv" if decrypted_file == nil
    encrypted_data = GPGME::Data.new(File.open(local_file))

    # Set the password and GPG Key to decryption
    ctx = GPGME::Ctx.new :password=> 'password'

    # I have tried the passphrase call back
    #ctx = GPGME::Ctx.new :passphrase_callback => method(:passfunc)

    #KEY= GPGME::Data.new(File.open("key.gpg"))
    ctx.import_keys Rebal::Config::KEY

    # Decrypt the data
    decrypted = ctx.decrypt encrypted_data
    decrypted.seek(0)

    #Write the data to a file
    File.write(decrypted_file, decrypted.read)

    #return path
    decrypted_file
  end

[dansketcher]

In my experience you need to use GPG 1.x to not have to pin entry program activate. It's a feature of GPG 2 to force the pinentry program
This probably needs to be in the docs, seems like a common problem.

Dan

On 4 Feb 2014, at 23:20, yoshie902a [email protected] wrote:

In the example below, I have tried password and passphrase. Neither seem to allow me to run my code without a openpgp box prompting for the passphrase, the following message:

Pinentry Mac
"Please enter the passphrase to unlock the secret key for the OpenPGP certificate"
What do I need to change to allow my code to run without the prompt? I know my password is correct in the code.

I have tried :
ctx = GPGME::Ctx.new :password=> 'password'
and this:
ctx = GPGME::Ctx.new :passphrase_callback => method(:passfunc)

But both do not seem to work. Any advice is appreciated.

def self.passfunc(obj, uid_hint, passphrase_info, prev_was_bad, fd)
io = IO.for_fd(fd, 'w')
io.puts 'password'
io.flush
end

def self.decrypt_file(local_file, decrypted_file = nil)
# Set decrypted file path if one is not provided
decrypted_file = local_file.chomp(File.extname(local_file)) + ".csv" if decrypted_file == nil
encrypted_data = GPGME::Data.new(File.open(local_file))

# Set the password and GPG Key to decryption
ctx = GPGME::Ctx.new :password=> 'password'

# I have tried the passphrase call back
#ctx = GPGME::Ctx.new :passphrase_callback => method(:passfunc)

#KEY= GPGME::Data.new(File.open("key.gpg"))
ctx.import_keys Rebal::Config::KEY

# Decrypt the data
decrypted = ctx.decrypt encrypted_data
decrypted.seek(0)

#Write the data to a file
File.write(decrypted_file, decrypted.read)

#return path
decrypted_file

end
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[yoshie902a]

1. What is the difference between password and passphrase in my example above?

2. Is there a way to use GPG2 and use code to prevent the pin entry box? I found this link...
   http://dilawarnotes.wordpress.com/2013/02/13/disable-gpg-gui-asking-for-paraphrase/
   and it disables the pin entry, but I get an "GPGME::Error::BadPassphrase: Bad passphrase" error. What could be causing this?

Currently, I downgraded from GPG2 to GPG 1.4 and it seems to be working, but would love to understand how to get GPG2 to work.

Thanks

[ueno]

Unfortunately, you cannot pass passphrase programmatically with GPG 2.0. See #11.
(GPG 2.1 has pinentry-mode option which simulates GPG 1.4 behavior, but it is still in development)