Miscellaneous

Why does gpg not ask for passphrase?

Why does gpg not ask for passphrase?

gpg caches the passphrase used for symmetric encryption so that a decrypt operation may not require that the user needs to enter the passphrase. The option –no-symkey-cache can be used to disable this feature.

How do I get my gpg passphrase?

forgot pass phrase

  1. open Keychain (not GPG Keychain Access)
  2. enter “GnuPG” in the search field.
  3. if you don’t see any entry your passphrase was not stored in the OS X keychain.
  4. otherwise double click that entry.
  5. click “Show Password” and verify with your admin password.

Do you need a gpg passphrase?

To help safeguard your key, GnuPG does not store your raw private key on disk. Instead it encrypts it using a symmetric encryption algorithm. That is why you need a passphrase to access the key.

What is gpg passphrase?

A passphrase is a longer version of a password, and in theory, a more secure one. OpenPGP uses a passphrase to encrypt your private key on your machine. Your private key is encrypted on your disk using a hash of your passphrase as the secret key. You use the passphrase to decrypt and use your private key.

How do I encrypt a file using gpg?

How to use GPG to encrypt stuff

  1. Make sure everything is in one file.
  2. (OPTIONAL) Sign the file using your private key.
  3. Encrypt the file using the recipient’s public key.
  4. Send the encrypted file and (optionally) the signature to the other person.

How do I find my passphrase?

In the Network Connections window, press and hold or right-click the network name, and then click Status. Click Wireless Properties. Click the Security tab, and select Show characters. The password for the wireless network is displayed in the Network security key field.

Can you change gpg passphrase?

Change the passphrase of the secret key You need type the passwd command followed by the save command at gpg> prompt to change the passphrase for your key-ID.

Can you decrypt PGP without passphrase?

Using the decrypt option would be used to verify the signed file. the –decrypt option can be used without putting in a passphrase. This signing option can be used with all file types.

What is Pinentry mode loopback?

loopback. Use a loopback pinentry. This fakes a pinentry by using inquiries back to the caller to ask for a passphrase. This option may only be set if the agent has been configured for that.

What is an example of a passphrase?

A passphrase is like a password, but longer and more secure. In essence, it’s an encryption key that you memorize. For example, when you encrypt your hard drive, a USB stick, or a document on your computer, the disk encryption is often only as strong as your passphrase.

Why does GnuPG not ask for a passphrase?

However, it doesn’t ask me to enter my password but just does the signing process. Why is that? GnuPG uses gpg-agent to cache your passphrase. It does require the passphrase for signing (this is a private key operation) and thus prints the message, but does not need to ask you as the passphrase was still cached.

How can I get GPG to ask for password?

Happy hacking. One simple method I found working on a linux machine is : 1) import key to gpg :=> shell> gpg —import private_key.key 2.1) Giving above command will prompt you to enter paraphrase. Enter the paraphrase and it will decrypt the gpg file. Where $1 is the text to be encrypted, $2 is the user ID and $3 the password.

Which is gpg agent does GnuPG use for signing?

GnuPG uses gpg-agent to cache your passphrase. It does require the passphrase for signing (this is a private key operation) and thus prints the message, but does not need to ask you as the passphrase was still cached.

Why does shell script GPG ask for password even with?

Here is an apparent work around I discovered: Explanation: Passing 0 causes –passphrase-fd to read from STDIN rather than from a file. So, piping the passphrase will get –passphrase-fd to accept your specified password string. Upgraded 2017-12-04. (Adding –batch in order to prevent passphrase prompt)

https://www.youtube.com/watch?v=l_L39lt2VE8