File Encryption using GPG Key Pair in Linux

Using gpg you can generate private and public keys that can be used to encrypt and decrypt files as explained in this example.

1. Step 1: Create a new GPG key-pair. ...
2. Step 2: Export your public key. ...
3. Step 3: Import others public key. ...
4. Step 4: Send encrypted message. ...
5. Step 5: Read the encrypted message.

1. How encrypt GPG file in Linux?
2. How do I encrypt a file using GPG?
3. How do I encrypt a folder using GPG?
4. How do I sign and encrypt with GPG?
5. Where is GPG private key stored?
6. How do I encrypt a string in Linux?
7. How do I encrypt and decrypt a file?
8. How do you decrypt a file?
9. What three types of encryption can you use with GPG?
10. How do I encrypt a folder?
11. How do I encrypt a file with a public key?
12. How do I encrypt a file using PGP public key in Unix?

How encrypt GPG file in Linux?

Using gpg, you would do the following.

1. Open a terminal window.
2. Change to the ~/Documents directory with the command cd ~/Documents.
3. Encrypt the file with the command gpg -c important. docx.
4. Enter a unique password for the file and hit Enter.
5. Verify the newly typed password by typing it again and hitting Enter.

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.
5. The recipient of the message will decrypt the encrypted file using his/her private key.

How do I encrypt a folder using GPG?

How do I encrypt a file or folder in my home directory?

1. Turn a directory into a file. If you want to encrypt a directory, you will need to convert it to a file first. ...
2. Prepare GPG. You will need to create a private key with which you will encrypt your files. ...
3. Encrypt. To encrypt a file, type gpg -e -r USERNAME ~USERNAME/filename. ...
4. Decrypt. To decrypt the file, type.

How do I sign and encrypt with GPG?

You can encrypt messages using the “–encrypt” flag for GPG. The basic syntax would be: gpg --encrypt --sign --armor -r [email protected] name_of_file.

Where is GPG private key stored?

All secret keys are stored in the 'private-keys-v1. d' directory below the GnuPG home directory. So, those *. key files are the actual, current-version secret keys, also known as private keys.

How do I encrypt a string in Linux?

1. Generate a private/public key pair $ openssl genrsa -out rsa_key.pri 2048; openssl rsa -in rsa_key.pri -out rsa_key.pub -outform PEM -pubout.
2. Encrypt the string using public key, and store in a file $ echo "stockexchange.com" | openssl rsautl -encrypt -inkey rsa_key.pub -pubin -out secret.dat.

How do I encrypt and decrypt a file?

To decrypt a file or folder:

1. From the Start menu, select Programs or All Programs, then Accessories, and then Windows Explorer.
2. Right-click the file or folder you want to decrypt, and then click Properties.
3. On the General tab, click Advanced.
4. Clear the Encrypt contents to secure data checkbox, and then click OK.

How do you decrypt a file?

To decrypt a file perform the following:

1. Start Explorer.
2. Right click on the file/folder.
3. Select Properties. ...
4. Under the General tab click Advanced.
5. Check the 'Encrypt contents to secure data'. ...
6. Click Apply on the properties.

What three types of encryption can you use with GPG?

GPG Encryption Guide - Part 4 (Symmetric Encryption)

• No Hassle Encryption. Another type of cryptographic solution provided by Gnu Privacy Guard (GPG) is symmetric-key encryption, also known as block cipher based encryption. ...
• AES256 Cipher. ...
• Twofish Cipher. ...
• CAMELLIA256 Cipher. ...
• CAST5 - The Default GPG Cipher. ...
• User Friendly Data Format.

How do I encrypt a folder?

Built-in folder encryption

1. Navigate to the folder/file you want to encrypt.
2. Right click on the item. ...
3. Check Encrypt contents to secure data.
4. Click OK, then Apply.
5. Windows then asks whether you wish to encrypt the file only, or its parent folder and all the files within it as well.

How do I encrypt a file with a public key?

How to encrypt a big file using OpenSSL and someone's public key

1. Step 0) Get their public key. The other person needs to send you their public key in .pem format. ...
2. Step 1) Generate a 256 bit (32 byte) random key. openssl rand -base64 32 > key.bin.
3. Step 2) Encrypt the key. ...
4. Step 3) Actually Encrypt our large file. ...
5. Step 4) Send/Decrypt the files.

How do I encrypt a file using PGP public key in Unix?

Encrypt the File

1. Open a command prompt.
2. From the command prompt, enter: pgp --encrypt (input) --recipient (user)
3. Press Enter.