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#ifndef SEQUOIA_ERRORS_H
#define SEQUOIA_ERRORS_H
#include <stddef.h>
#include <stdint.h>
#include <limits.h>
/* XXX: Reorder and name-space before release. */
typedef enum sq_status {
/*/
/// The operation was successful.
/*/
SQ_STATUS_SUCCESS = 0,
/*/
/// An unknown error occurred.
/*/
SQ_STATUS_UNKNOWN_ERROR = -1,
/*/
/// The network policy was violated by the given action.
/*/
SQ_STATUS_NETWORK_POLICY_VIOLATION = -2,
/*/
/// An IO error occurred.
/*/
SQ_STATUS_IO_ERROR = -3,
/*/
/// A given argument is invalid.
/*/
SQ_STATUS_INVALID_ARGUMENT = -15,
/*/
/// The requested operation is invalid.
/*/
SQ_STATUS_INVALID_OPERATION = -4,
/*/
/// The packet is malformed.
/*/
SQ_STATUS_MALFORMED_PACKET = -5,
/*/
/// Unsupported hash algorithm.
/*/
SQ_STATUS_UNSUPPORTED_HASH_ALGORITHM = -9,
/*/
/// Unsupported public key algorithm.
/*/
SQ_STATUS_UNSUPPORTED_PUBLICKEY_ALGORITHM = -18,
/*/
/// Unsupported elliptic curve.
/*/
SQ_STATUS_UNSUPPORTED_ELLIPTIC_CURVE = -21,
/*/
/// Unsupported symmetric algorithm.
/*/
SQ_STATUS_UNSUPPORTED_SYMMETRIC_ALGORITHM = -10,
/*/
/// Unsupported AEAD algorithm.
/*/
SQ_STATUS_UNSUPPORTED_AEAD_ALGORITHM = -26,
/*/
/// Unsupport signature type.
/*/
SQ_STATUS_UNSUPPORTED_SIGNATURE_TYPE = -20,
/*/
/// Invalid password.
/*/
SQ_STATUS_INVALID_PASSWORD = -11,
/*/
/// Invalid session key.
/*/
SQ_STATUS_INVALID_SESSION_KEY = -12,
/*/
/// Missing session key.
/*/
SQ_STATUS_MISSING_SESSION_KEY = -27,
/*/
/// Malformed TPK.
/*/
SQ_STATUS_MALFORMED_TPK = -13,
/*/
/// Bad signature.
/*/
SQ_STATUS_BAD_SIGNATURE = -19,
/*/
/// Message has been manipulated.
/*/
SQ_STATUS_MANIPULATED_MESSAGE = -25,
/*/
/// Malformed message.
/*/
SQ_STATUS_MALFORMED_MESSAGE = -22,
/*/
/// Index out of range.
/*/
SQ_STATUS_INDEX_OUT_OF_RANGE = -23,
/*/
/// TPK not supported.
/*/
SQ_STATUS_UNSUPPORTED_TPK = -24,
/* Dummy value to make sure the enumeration has a defined size. Do
not use this value. */
SQ_STATUS_FORCE_WIDTH = INT_MAX,
} sq_status_t;
/*/
/// Complex errors returned from Sequoia.
/*/
typedef struct sq_error *sq_error_t;
/*/
/// Frees an error.
/*/
void sq_error_free (sq_error_t error);
/*/
/// Returns the error message.
///
/// The returned value must be freed with `sq_string_free`.
/*/
char *sq_error_string (const sq_error_t err);
/*/
/// Returns the error status code.
/*/
sq_status_t sq_error_status (const sq_error_t err);
#endif
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