mbedtls_harden_struct.h

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#ifndef MBEDTLS_HARDEN_STRUCT_H
#define MBEDTLS_HARDEN_STRUCT_H
 
#define MBEDTLS_ALT_HASH_RESULT_SIZE_MAX_IN_WORD 16      // for SHA-512
#define MBEDTLS_ALT_HASH_BLOCK_SIZE_MAX 128              // for SHA-512
 
typedef enum {
    MBEDTLS_ALT_HASH_TYPE_SHA1 = 0xf690a0,
    MBEDTLS_ALT_HASH_TYPE_SHA224 = 0x10690e0,
    MBEDTLS_ALT_HASH_TYPE_SHA256 = 0x1169100,
    MBEDTLS_ALT_HASH_TYPE_SHA384 = 0x127a180,
    MBEDTLS_ALT_HASH_TYPE_SHA512 = 0x137a200,
    MBEDTLS_ALT_HASH_TYPE_SM3 = 0x2169100,
 
    MBEDTLS_ALT_HASH_TYPE_HMAC_SHA1 = 0x10f690a0,
    MBEDTLS_ALT_HASH_TYPE_HMAC_SHA224 = 0x110690e0,
    MBEDTLS_ALT_HASH_TYPE_HMAC_SHA256 = 0x11169100,
    MBEDTLS_ALT_HASH_TYPE_HMAC_SHA384 = 0x1127a180,
    MBEDTLS_ALT_HASH_TYPE_HMAC_SHA512 = 0x1137a200,
    MBEDTLS_ALT_HASH_TYPE_HMAC_SM3 = 0x12169100,
 
    MBEDTLS_ALT_HASH_TYPE_INVALID = 0xffffffff,
} mbedtls_alt_hash_type;
 
typedef struct {
    unsigned int length[2];
    unsigned int state[MBEDTLS_ALT_HASH_RESULT_SIZE_MAX_IN_WORD];
    unsigned int tail_len;
    mbedtls_alt_hash_type hash_type;
    unsigned char tail[MBEDTLS_ALT_HASH_BLOCK_SIZE_MAX];
} mbedtls_alt_hash_clone_ctx;
 
typedef enum {
    MBEDTLS_ALT_ECP_CURVE_TYPE_RFC5639_P256 = 0,      /* RFC 5639 - Brainpool P256/384/512 */
    MBEDTLS_ALT_ECP_CURVE_TYPE_RFC5639_P384,          /* RFC 5639 - Brainpool P256/384/512 */
    MBEDTLS_ALT_ECP_CURVE_TYPE_RFC5639_P512,          /* RFC 5639 - Brainpool P256/384/512 */
    MBEDTLS_ALT_ECP_CURVE_TYPE_FIPS_P256K,            /* NIST FIPS 186-4 P192/224/256/384/521, suggest not to use */
    MBEDTLS_ALT_ECP_CURVE_TYPE_FIPS_P192R,            /* NIST FIPS 186-4 P192/224/256/384/521, suggest not to use */
    MBEDTLS_ALT_ECP_CURVE_TYPE_FIPS_P224R,            /* NIST FIPS 186-4 P192/224/256/384/521, suggest not to use */
    MBEDTLS_ALT_ECP_CURVE_TYPE_FIPS_P256R,            /* NIST FIPS 186-4 P192/224/256/384/521, suggest not to use */
    MBEDTLS_ALT_ECP_CURVE_TYPE_FIPS_P384R,            /* NIST FIPS 186-4 P192/224/256/384/521, suggest not to use */
    MBEDTLS_ALT_ECP_CURVE_TYPE_FIPS_P521R,            /* NIST FIPS 186-4 P192/224/256/384/521, suggest not to use */
    MBEDTLS_ALT_ECP_CURVE_TYPE_RFC7748,               /* RFC 7748 - Curve25519 */
    MBEDTLS_ALT_ECP_CURVE_TYPE_RFC7748_448,           /* RFC 7748 - Curve448 */
    MBEDTLS_ALT_ECP_CURVE_TYPE_RFC8032,               /* RFC 8032 - ED25519 */
    MBEDTLS_ALT_ECP_CURVE_TYPE_SM2,                   /* GMT 0003.2-2012 */
    MBEDTLS_ALT_ECP_CURVE_TYPE_MAX,
    MBEDTLS_ALT_ECP_CURVE_TYPE_INVALID = 0xffffffff,
} mbedtls_alt_ecp_curve_type;
 
#define MBEDTLS_ALT_ECP_LEN_192     24
#define MBEDTLS_ALT_ECP_LEN_224     32
#define MBEDTLS_ALT_ECP_LEN_256     32
#define MBEDTLS_ALT_ECP_LEN_384     48
#define MBEDTLS_ALT_ECP_LEN_448     56
#define MBEDTLS_ALT_ECP_LEN_512     64
#define MBEDTLS_ALT_ECP_LEN_521     68
#define MBEDTLS_ALT_ECP_LEN_576     72
#define MBEDTLS_ALT_ECP_LEN_1024    128
#define MBEDTLS_ALT_ECP_LEN_2048    256
#define MBEDTLS_ALT_ECP_LEN_3072    384
#define MBEDTLS_ALT_ECP_LEN_4096    512
 
typedef struct {
    unsigned int length;
    unsigned char *data;
} mbedtls_alt_ecp_data;
 
typedef struct {
    unsigned char *x;
    unsigned char *y;
    unsigned int length;
} mbedtls_alt_ecp_point;
 
typedef struct {
    unsigned char *r;
    unsigned char *s;
    unsigned int length;
} mbedtls_alt_ecp_sig;
 
#endif