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Implemented symmetric encryption; new commands are SYM KEYGEN; SYM ENCRYPT; SYM DECRYPT

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This commit is contained in:
Maxime Van Hees
2025-09-18 11:59:44 +02:00
parent c6b277cc9c
commit 8808c0e9d9
3 changed files with 150 additions and 0 deletions
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26
src/cmd.rs
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@@ -84,6 +84,12 @@ pub enum Cmd {
AgeSignName(String, String), // name, message
AgeVerifyName(String, String, String), // name, message, signature_b64
AgeList,
// SYM (symmetric) commands — stateless (Phase 1)
// Raw 32-byte key provided as base64; ciphertext returned as base64
SymKeygen,
SymEncrypt(String, String), // key_b64, message
SymDecrypt(String, String), // key_b64, ciphertext_b64
}
impl Cmd {
@@ -623,6 +629,20 @@ impl Cmd {
_ => return Err(DBError(format!("unsupported AGE subcommand {:?}", cmd))),
}
}
"sym" => {
if cmd.len() < 2 {
return Err(DBError("wrong number of arguments for SYM".to_string()));
}
match cmd[1].to_lowercase().as_str() {
"keygen" => { if cmd.len() != 2 { return Err(DBError("SYM KEYGEN takes no args".to_string())); }
Cmd::SymKeygen }
"encrypt" => { if cmd.len() != 4 { return Err(DBError("SYM ENCRYPT <key_b64> <message>".to_string())); }
Cmd::SymEncrypt(cmd[2].clone(), cmd[3].clone()) }
"decrypt" => { if cmd.len() != 4 { return Err(DBError("SYM DECRYPT <key_b64> <ciphertext_b64>".to_string())); }
Cmd::SymDecrypt(cmd[2].clone(), cmd[3].clone()) }
_ => return Err(DBError(format!("unsupported SYM subcommand {:?}", cmd))),
}
}
_ => Cmd::Unknow(cmd[0].clone()),
},
protocol,
@@ -737,6 +757,12 @@ impl Cmd {
Cmd::AgeSignName(name, message) => Ok(crate::age::cmd_age_sign_name(server, &name, &message).await),
Cmd::AgeVerifyName(name, message, sig_b64) => Ok(crate::age::cmd_age_verify_name(server, &name, &message, &sig_b64).await),
Cmd::AgeList => Ok(crate::age::cmd_age_list(server).await),
// SYM (symmetric): stateless (Phase 1)
Cmd::SymKeygen => Ok(crate::sym::cmd_sym_keygen().await),
Cmd::SymEncrypt(key_b64, message) => Ok(crate::sym::cmd_sym_encrypt(&key_b64, &message).await),
Cmd::SymDecrypt(key_b64, ct_b64) => Ok(crate::sym::cmd_sym_decrypt(&key_b64, &ct_b64).await),
Cmd::Unknow(s) => Ok(Protocol::err(&format!("ERR unknown command `{}`", s))),
}
}