1use thiserror::Error;
2
3#[derive(Error, Debug)]
4pub enum FF1Error {
5 #[error("Cryptography error")]
6 Crypto(),
7 #[error("Invalid input length n={n}: must be minlen <= n <= maxlen")]
8 InvalidLength { n: usize },
9 #[error("Invalid radix={radix}: must be 2 <= radix <= 2^16")]
10 InvalidRadix { radix: u32 },
11 #[error("Invalid tweak length t={t}: must be 0 <= t <= maxTlen")]
12 InvalidTweakLength { t: usize },
13 #[error("Constraint violation: radix^minlen ({radix}^{minlen}) must be >= 100")]
14 ConstraintViolation { radix: u32, minlen: usize },
15 #[error("Internal error: BigUint conversion failed")]
16 BigUintConversion,
17 #[error("Internal error: Failed to convert number to bytes")]
18 NumToBytesConversion,
19 #[error("Internal error: Failed to convert bytes to number")]
20 BytesToNumConversion,
21 #[error("Internal error: String conversion length mismatch")]
22 StrLenMismatch,
23 #[error("Internal error: Cipher output length mismatch (expected 16 bytes)")]
24 CipherLengthError,
25 #[error("Invalid digit in input: {0} >= radix {1}")]
26 InvalidDigit(u32, u32),
27 #[error("Invalid character in input: '{0}' is not a valid digit in radix {1}")]
28 InvalidCharDigit(char, u32),
29}