constants.h

Go to the documentation of this file.

 
#pragma once
#include <stddef.h>
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* === RFC 4880 Public-Key Algorithm Identifiers === */

#define OPENPGP_ALGO_ECDH 18

#define OPENPGP_ALGO_ECDSA 19

#define OPENPGP_ALGO_EDDSA 22
 
/* === RFC 6637 ECDH KDF parameters (P-256 encryption subkey) === */

#define OPENPGP_ECDH_KDF_HASH 0x08

#define OPENPGP_ECDH_KDF_SYM 0x07
 
/* === Fingerprint and digest sizes === */

#define OPENPGP_FINGERPRINT_SIZE 20

#define SHA256_DIGEST_SIZE 32
 
/* === P-256 (secp256r1) sizes === */

#define P256_PUBKEY_SIZE 65

#define P256_PRIVKEY_SIZE 32

#define P256_ECDH_SECRET_SIZE 32

#define P256_PUBKEY_BITS 515
 
/* === Ed25519 sizes === */

#define ED25519_PUBKEY_SIZE 32
 
/* === OpenPGP MPI sizes (RFC 4880 Section 3.2: 2-byte length prefix + payload) === */

#define MPI_HEADER_SIZE 2

#define MPI_FULL_SIZE_ED25519 (MPI_HEADER_SIZE + ED25519_PUBKEY_SIZE)

#define MPI_FULL_SIZE_P256 (MPI_HEADER_SIZE + P256_PUBKEY_SIZE)
 
/* === OpenPGP Smart Card password reference codes (Spec 3.4.1, Section 7.2.2) === */

#define PW1_CODE_1 0x81

#define PW1_CODE_2 0x82

#define PW3_CODE 0x83
 
#ifdef __cplusplus
}
#endif