General & Crypto

crypto/src/error.rs

@@ -0,0 +1,38 @@
+use std::fmt;
+
+#[derive(Debug, Clone)]
+pub enum CryptoError {
+    EncryptionFailed,
+    DecryptionFailed,
+    InvalidKeyLength,
+    InvalidNonceLength,
+    InvalidSignature,
+    SigningFailed,
+    VerificationFailed,
+    KeyGenerationFailed,
+    KdfError,
+    KemEncapsulationFailed,
+    KemDecapsulationFailed,
+    UnknownAlgorithm,
+}
+
+impl fmt::Display for CryptoError {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            CryptoError::EncryptionFailed => write!(f, "encryption failed"),
+            CryptoError::DecryptionFailed => write!(f, "decryption failed"),
+            CryptoError::InvalidKeyLength => write!(f, "invalid key length"),
+            CryptoError::InvalidNonceLength => write!(f, "invalid nonce length"),
+            CryptoError::InvalidSignature => write!(f, "invalid signature"),
+            CryptoError::SigningFailed => write!(f, "signing failed"),
+            CryptoError::VerificationFailed => write!(f, "verification failed"),
+            CryptoError::KeyGenerationFailed => write!(f, "key generation failed"),
+            CryptoError::KdfError => write!(f, "KDF error"),
+            CryptoError::KemEncapsulationFailed => write!(f, "KEM encapsulation failed"),
+            CryptoError::KemDecapsulationFailed => write!(f, "KEM decapsulation failed"),
+            CryptoError::UnknownAlgorithm => write!(f, "unknown algorithm"),
+        }
+    }
+}
+
+impl std::error::Error for CryptoError {}