Code to sign, encrypt, verify and decrypt PGP messages.
The code accepts messages in either the new PGP/MIME format, or in the older Application/Pgp format. It also contains some code to cache the user's passphrase for repeat use when decrypting or signing a message.
| Function | Description | Links |
| key_parent() | Find a key's parent (if it's a subkey) | |
| pgp_check_decryption_okay() | Check GPG output for status codes | |
| pgp_check_pgp_decryption_okay_regex() | Check PGP output to look for successful outcome | |
| pgp_check_traditional_one_body() | Check the body of an inline PGP message | |
| pgp_class_application_handler() | Manage the MIME type "application/pgp" or "application/smime" | CryptModuleSpecs::application_handler(), crypto_application_handler |
| pgp_class_check_traditional() | Look for inline (non-MIME) PGP content | CryptModuleSpecs::pgp_check_traditional(), crypto_pgp_check_traditional |
| pgp_class_decrypt_mime() | Decrypt an encrypted MIME part | CryptModuleSpecs::decrypt_mime(), crypto_decrypt_mime |
| pgp_class_encrypt_message() | PGP encrypt an email | CryptModuleSpecs::pgp_encrypt_message(), crypto_pgp_encrypt_message |
| pgp_class_encrypted_handler() | Manage a PGP or S/MIME encrypted MIME part | CryptModuleSpecs::encrypted_handler(), crypto_encrypted_handler |
| pgp_class_extract_key_from_attachment() | Extract PGP key from an attachment | CryptModuleSpecs::pgp_extract_key_from_attachment(), crypto_pgp_extract_key_from_attachment |
| pgp_class_find_keys() | Find the keyids of the recipients of a message | CryptModuleSpecs::find_keys(), crypto_find_keys |
| pgp_class_send_menu() | Ask the user whether to sign and/or encrypt the email | CryptModuleSpecs::send_menu(), crypto_send_menu |
| pgp_class_sign_message() | Cryptographically sign the Body of a message | CryptModuleSpecs::sign_message(), crypto_sign_message |
| pgp_class_traditional_encryptsign() | Create an inline PGP encrypted, signed email | CryptModuleSpecs::pgp_traditional_encryptsign(), crypto_pgp_traditional_encryptsign |
| pgp_class_valid_passphrase() | Ensure we have a valid passphrase | CryptModuleSpecs::valid_passphrase(), crypto_valid_passphrase |
| pgp_class_verify_one() | Check a signed MIME part against a signature | CryptModuleSpecs::verify_one(), crypto_verify_one |
| pgp_class_void_passphrase() | Forget the cached passphrase | CryptModuleSpecs::void_passphrase(), crypto_void_passphrase |
| pgp_copy_checksig() | Copy PGP output and look for signs of a good signature | |
| pgp_copy_clearsigned() | Copy a clearsigned message, stripping the signature | |
| pgp_decrypt_part() | Decrypt part of a PGP message | |
| pgp_extract_keys_from_attachment() | Extract pgp keys from messages/attachments | |
| pgp_fingerprint() | Get the key's fingerprint | |
| pgp_fpr_or_lkeyid() | Get the fingerprint or long keyid | |
| pgp_keyid() | Get the ID of the main (parent) key | |
| pgp_long_keyid() | Get a key's long id | |
| pgp_short_keyid() | Get a key's short id | |
| pgp_this_keyid() | Get the ID of this key | |
| pgp_use_gpg_agent() | Does the user want to use the gpg agent? | |
