miden_lib/auth.rs
1use alloc::vec::Vec;
2
3use miden_objects::crypto::dsa::rpo_falcon512;
4
5/// Defines authentication schemes available to standard and faucet accounts.
6pub enum AuthScheme {
7    /// A single-key authentication scheme which relies RPO Falcon512 signatures. RPO Falcon512 is
8    /// a variant of the [Falcon](https://falcon-sign.info/) signature scheme. This variant differs from
9    /// the standard in that instead of using SHAKE256 hash function in the hash-to-point algorithm
10    /// we use RPO256. This makes the signature more efficient to verify in Miden VM.
11    RpoFalcon512 { pub_key: rpo_falcon512::PublicKey },
12    /// A multi-signature authentication scheme using RPO Falcon512 signatures.
13    /// Requires a threshold number of signatures from the provided public keys.
14    RpoFalcon512Multisig {
15        threshold: u32,
16        pub_keys: Vec<rpo_falcon512::PublicKey>,
17    },
18    /// A minimal authentication scheme that provides no cryptographic authentication.
19    /// It only increments the nonce if the account state has actually changed during
20    /// transaction execution, avoiding unnecessary nonce increments for transactions
21    /// that don't modify the account state.
22    NoAuth,
23    /// A non-standard authentication scheme.
24    Unknown,
25}