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| author | saturneric <[email protected]> | 2025-04-08 23:55:21 +0000 |
|---|---|---|
| committer | saturneric <[email protected]> | 2025-04-08 23:55:45 +0000 |
| commit | eb6e4d1bc4a4f4e883cd921621a0cebc82d16caa (patch) | |
| tree | a47f1ea58a8027481455896093815bdcb080ae96 /src/content/docs/guides/text-opetations.md | |
| parent | fix: solve format issues (diff) | |
| download | Manual-eb6e4d1bc4a4f4e883cd921621a0cebc82d16caa.tar.gz Manual-eb6e4d1bc4a4f4e883cd921621a0cebc82d16caa.zip | |
feat: adapt manual to v2.1.7
Diffstat (limited to 'src/content/docs/guides/text-opetations.md')
| -rw-r--r-- | src/content/docs/guides/text-opetations.md | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/src/content/docs/guides/text-opetations.md b/src/content/docs/guides/text-opetations.md new file mode 100644 index 0000000..e753fa6 --- /dev/null +++ b/src/content/docs/guides/text-opetations.md @@ -0,0 +1,116 @@ +--- +title: Text Operations +sidebar: + order: 5 +--- + +GpgFrontend is a user-friendly graphical interface for GnuPG that simplifies the +core cryptographic operations: **encryption**, **decryption**, **signing**, and +**verification**. It supports secure communication through public key +cryptography and provides intuitive workflows for both beginners and advanced +users. + +## Understanding the Basics + +Public key cryptography relies on key pairs: +- **Public Key**: Used to encrypt or verify. +- **Private Key**: Used to decrypt or sign. + +Before performing encryption or signing operations, users must generate their +own key pair and exchange public keys with their communication partners. + +## Encrypting Text + +### Only Encrypt +Use the recipient's **public key** to encrypt plaintext. This method: +- Produces a shorter ciphertext. +- Does **not** reveal the sender's identity. +- Is ideal when anonymity is preferred. + +> 🔐 Tip: Don’t use your own public key to encrypt unless you're sending a +> message to yourself. + + + +### Encrypt & Sign +This method encrypts the message with the recipient's public key and signs it +with **your own private key**, ensuring: +- Confidentiality +- Message authenticity +- Proof of origin + +To use this method: +- Choose the recipient’s public key. +- Select **your private key** with signing capability (`Usage = S`). + +> 📄 The resulting ciphertext is longer due to the signature. The Info Board +> will display signature details after encryption. + + + +## Signing Text + +### Signature Only +Use your **private key** to sign text without encrypting it: +- This confirms authorship. +- Anyone with your public key can verify it. + +Check the key’s `Usage` column for `S` to confirm it's suitable for signing. + + + +### Sign with Encryption +Sign and encrypt together by selecting the recipient's public key and your own +private signing key: +- Ensures both confidentiality and authenticity. +- Common in secure messaging or business communication. + + + +--- + +## Decrypting Text + +### Decrypt Only +Paste or load the ciphertext into GpgFrontend. The tool will: +- Automatically use the correct **private key**. +- Notify you if no valid key is available. + +> ✅ No need to check `Usage` manually; the tool handles key matching. + + + +### Decrypt & Verify +If the message was signed, GpgFrontend will: +- Verify the signature using the **sender’s public key**. +- Display whether the signature is valid. + +Use this for added assurance of sender authenticity and message integrity. + + + +--- + +## Verifying Signatures + +To verify a detached or embedded signature: +- Use the sender’s **public key**. +- Paste or load the signed message. + +GpgFrontend will: +- Check the integrity. +- Report any mismatch or missing public keys. + +> 📥 If the required public key is missing, GpgFrontend prompts you to import +> it. + + + +## Best Practices + +- Always verify a message **before** decrypting when possible. +- Share only your **public key**, and **never** your private key. +- Use **Encrypt & Sign** for secure and authenticated communication. +- Use **Sign Only** for publishing documents or messages that require integrity + but not secrecy.
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