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use failure_derive::*; #[derive(Debug, Fail)] pub enum SodiumErrors { #[fail(display = "invalid key size, needed: {} got: {}", size_needed, size_provided)] InvalidKeySize { size_provided: usize, size_needed: usize }, #[fail(display = "invalid nonce size, needed: {} got: {}", size_needed, size_provided)] InvalidNonceSize { size_provided: usize, size_needed: usize }, #[fail(display = "Invalid key for libsodium!")] InvalidKey {}, #[fail(display = "Function call to C Sodium Failed.")] FunctionError {}, #[fail(display = "Invalid Output Size specified")] InvalidOutputSize {}, } #[derive(Debug, Fail)] pub enum RsaKeyErrors { #[fail(display = "Invalid RSA Key Provided")] InvalidKey {}, #[fail(display = "Failed to generate signed RSA content")] SignError {}, } #[derive(Debug, Fail)] pub enum GenericError { #[fail(display = "No key of the correct type was provided")] NoKeyProvided {}, #[fail(display = "This token is invalid.")] InvalidToken {}, #[fail(display = "The claim: {}, has an invalid date", claim_name)] UnparseableTokenDate { claim_name: &'static str }, #[fail(display = "This token has not yet been issued, the issued at claim (IAT) is in the future.")] InvalidIssuedAtToken {}, #[fail(display = "This token is not valid yet (NBF claim).")] InvalidNotBeforeToken {}, #[fail(display = "This token is expired (EXP claim).")] ExpiredToken {}, #[fail(display = "This token has an invalid footer.")] InvalidFooter {}, #[fail(display = "Failed to generate enough random bytes.")] RandomError {}, #[fail(display = "Failed to perform HKDF")] BadHkdf {}, }