integrity-test: Added ntru_param_sets to read-only segment

This commit is contained in:
Andreas Steffen
2016-07-29 12:36:15 +02:00
parent 17e4ca6ac9
commit b8070e2c85
7 changed files with 96 additions and 36 deletions
+7 -6
View File
@@ -25,22 +25,22 @@
typedef struct private_ntru_ke_t private_ntru_ke_t;
/* Best bandwidth and speed, no X9.98 compatibility */
static ntru_param_set_id_t param_sets_optimum[] = {
static const ntru_param_set_id_t param_sets_optimum[] = {
NTRU_EES401EP2, NTRU_EES439EP1, NTRU_EES593EP1, NTRU_EES743EP1
};
/* X9.98/IEEE 1363.1 parameter sets for best speed */
static ntru_param_set_id_t param_sets_x9_98_speed[] = {
static const ntru_param_set_id_t param_sets_x9_98_speed[] = {
NTRU_EES659EP1, NTRU_EES761EP1, NTRU_EES1087EP1, NTRU_EES1499EP1
};
/* X9.98/IEEE 1363.1 parameter sets for best bandwidth (smallest size) */
static ntru_param_set_id_t param_sets_x9_98_bandwidth[] = {
static const ntru_param_set_id_t param_sets_x9_98_bandwidth[] = {
NTRU_EES401EP1, NTRU_EES449EP1, NTRU_EES677EP1, NTRU_EES1087EP2
};
/* X9.98/IEEE 1363.1 parameter sets balancing speed and bandwidth */
static ntru_param_set_id_t param_sets_x9_98_balance[] = {
static const ntru_param_set_id_t param_sets_x9_98_balance[] = {
NTRU_EES541EP1, NTRU_EES613EP1, NTRU_EES887EP1, NTRU_EES1171EP1
};
@@ -61,7 +61,7 @@ struct private_ntru_ke_t {
/**
* NTRU Parameter Set
*/
ntru_param_set_t *param_set;
const ntru_param_set_t *param_set;
/**
* Cryptographical strength in bits of the NTRU Parameter Set
@@ -243,7 +243,8 @@ METHOD(diffie_hellman_t, destroy, void,
ntru_ke_t *ntru_ke_create(diffie_hellman_group_t group, chunk_t g, chunk_t p)
{
private_ntru_ke_t *this;
ntru_param_set_id_t *param_sets, param_set_id;
const ntru_param_set_id_t *param_sets;
ntru_param_set_id_t param_set_id;
rng_t *entropy;
ntru_drbg_t *drbg;
char *parameter_set;
@@ -41,7 +41,7 @@ ENUM(ntru_param_set_id_names, NTRU_EES401EP1, NTRU_EES743EP1,
/**
* NTRU encryption parameter set definitions
*/
static ntru_param_set_t ntru_param_sets[] = {
static const ntru_param_set_t ntru_param_sets[] = {
/* X9.98/IEEE 1363.1 parameter sets for best bandwidth (smallest size) */
{
@@ -340,7 +340,7 @@ static ntru_param_set_t ntru_param_sets[] = {
/**
* See header.
*/
ntru_param_set_t* ntru_param_set_get_by_id(ntru_param_set_id_t id)
const ntru_param_set_t* ntru_param_set_get_by_id(ntru_param_set_id_t id)
{
int i;
@@ -358,7 +358,7 @@ ntru_param_set_t* ntru_param_set_get_by_id(ntru_param_set_id_t id)
/**
* See header.
*/
ntru_param_set_t* ntru_param_set_get_by_oid(uint8_t const *oid)
const ntru_param_set_t* ntru_param_set_get_by_oid(uint8_t const *oid)
{
int i;
+77 -19
View File
@@ -80,23 +80,81 @@ extern enum_name_t *ntru_param_set_id_names;
* NTRU encryption parameter set definitions
*/
struct ntru_param_set_t {
ntru_param_set_id_t id; /* NTRU parameter set ID */
uint8_t oid[NTRU_OID_LEN]; /* pointer to OID */
uint8_t der_id; /* parameter-set DER id */
uint8_t N_bits; /* no. of bits in N (i.e. in an index */
uint16_t N; /* ring dimension */
uint16_t sec_strength_len; /* no. of octets of security strength */
uint16_t q; /* big modulus */
uint8_t q_bits; /* no. of bits in q (i.e. in a coefficient */
bool is_product_form; /* if product form used */
uint32_t dF_r; /* no. of +1 or -1 coefficients in ring elements
F, r */
uint16_t dg; /* no. - 1 of +1 coefficients or
no. of -1 coefficients in ring element g */
uint16_t m_len_max; /* max no. of plaintext octets */
uint16_t min_msg_rep_wt; /* min. message representative weight */
uint8_t c_bits; /* no. bits in candidate for deriving an index */
uint8_t m_len_len; /* no. of octets to hold mLenOctets */
/**
* NTRU parameter set ID
*/
const ntru_param_set_id_t id;
/**
* pointer to OID
*/
const uint8_t oid[NTRU_OID_LEN];
/**
* parameter-set DER id
*/
const uint8_t der_id;
/**
* no. of bits in N (i.e. in an index
*/
const uint8_t N_bits;
/**
* ring dimension
*/
const uint16_t N;
/**
* no. of octets of security strength
*/
const uint16_t sec_strength_len;
/**
* big modulus
*/
const uint16_t q;
/**
* no. of bits in q (i.e. in a coefficient)
*/
const uint8_t q_bits;
/**
* if product form used
*/
const bool is_product_form;
/**
* no. of +1 or -1 coefficients in ring elements F, r
*/
const uint32_t dF_r;
/**
* no. - 1 of +1 coefficients or no. of -1 coefficients in ring element g
*/
const uint16_t dg;
/**
* max no. of plaintext octets
*/
const uint16_t m_len_max;
/**
* min. message representative weight
*/
const uint16_t min_msg_rep_wt;
/**
* no. bits in candidate for deriving an index
*/
const uint8_t c_bits;
/**
* no. of octets to hold mLenOctets
*/
const uint8_t m_len_len;
};
/**
@@ -105,7 +163,7 @@ struct ntru_param_set_t {
* @param id NTRU parameter set ID
* @return NTRU parameter set
*/
ntru_param_set_t* ntru_param_set_get_by_id(ntru_param_set_id_t id);
const ntru_param_set_t* ntru_param_set_get_by_id(ntru_param_set_id_t id);
/**
* Get NTRU encryption parameter set by NTRU parameter set OID
@@ -113,6 +171,6 @@ ntru_param_set_t* ntru_param_set_get_by_id(ntru_param_set_id_t id);
* @param oid NTRU parameter set OID
* @return NTRU parameter set
*/
ntru_param_set_t* ntru_param_set_get_by_oid(uint8_t const *oid);
const ntru_param_set_t* ntru_param_set_get_by_oid(uint8_t const *oid);
#endif /** NTRU_PARAM_SET_H_ @}*/
@@ -38,7 +38,7 @@ struct private_ntru_private_key_t {
/**
* NTRU Parameter Set
*/
ntru_param_set_t *params;
const ntru_param_set_t *params;
/**
* Polynomial F which is the private key
@@ -642,7 +642,7 @@ static bool ring_inv(uint16_t *a, uint16_t N, uint16_t q, uint16_t *t,
* Described in header.
*/
ntru_private_key_t *ntru_private_key_create(ntru_drbg_t *drbg,
ntru_param_set_t *params)
const ntru_param_set_t *params)
{
private_ntru_private_key_t *this;
size_t t_len;
@@ -775,7 +775,7 @@ ntru_private_key_t *ntru_private_key_create_from_data(ntru_drbg_t *drbg,
size_t privkey_packed_trits_len, privkey_packed_indices_len;
uint8_t *privkey_packed, tag;
uint16_t *indices, dF;
ntru_param_set_t *params;
const ntru_param_set_t *params;
header_len = 2 + NTRU_OID_LEN;
@@ -77,7 +77,8 @@ struct ntru_private_key_t {
* @param drbg Digital Random Bit Generator used for key generation
* @param params NTRU encryption parameter set to be used
*/
ntru_private_key_t *ntru_private_key_create(ntru_drbg_t *drbg, ntru_param_set_t *params);
ntru_private_key_t *ntru_private_key_create(ntru_drbg_t *drbg,
const ntru_param_set_t *params);
/**
* Creates an NTRU encryption private key from encoding
@@ -37,7 +37,7 @@ struct private_ntru_public_key_t {
/**
* NTRU Parameter Set
*/
ntru_param_set_t *params;
const ntru_param_set_t *params;
/**
* Polynomial h which is the public key
@@ -320,7 +320,7 @@ METHOD(ntru_public_key_t, destroy, void,
* Described in header.
*/
ntru_public_key_t *ntru_public_key_create(ntru_drbg_t *drbg,
ntru_param_set_t *params,
const ntru_param_set_t *params,
uint16_t *pubkey)
{
private_ntru_public_key_t *this;
@@ -357,7 +357,7 @@ ntru_public_key_t *ntru_public_key_create_from_data(ntru_drbg_t *drbg,
{
private_ntru_public_key_t *this;
size_t header_len, pubkey_packed_len;
ntru_param_set_t *params;
const ntru_param_set_t *params;
header_len = 2 + NTRU_OID_LEN;
@@ -71,7 +71,7 @@ struct ntru_public_key_t {
* @param pubkey Coefficients of public key polynomial h
*/
ntru_public_key_t *ntru_public_key_create(ntru_drbg_t *drbg,
ntru_param_set_t *params,
const ntru_param_set_t *params,
uint16_t *pubkey);
/**