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Merge pull request #7044 from minosgalanakis/bignum/6342_add_named_moduli_setup

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Bignum: Add named moduli setup
This commit is contained in:
Janos Follath 2023-02-22 12:14:33 +00:00 committed by GitHub
commit 406b9172ad
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 368 additions and 1 deletions
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9
include/mbedtls/ecp.h
View file

@ -141,6 +141,15 @@ typedef enum {
MBEDTLS_ECP_TYPE_MONTGOMERY, /* y^2 = x^3 + a x^2 + x */
} mbedtls_ecp_curve_type;
/*
* Curve modulus types
*/
typedef enum {
MBEDTLS_ECP_MOD_NONE = 0,
MBEDTLS_ECP_MOD_COORDINATE,
MBEDTLS_ECP_MOD_SCALAR
} mbedtls_ecp_modulus_type;
/**
* Curve information, for use by other modules.
*

184
library/ecp_curves.c
View file

@ -5534,6 +5534,188 @@ static int ecp_mod_p256k1(mbedtls_mpi *N)
}
#endif /* MBEDTLS_ECP_DP_SECP256K1_ENABLED */
#endif /* !MBEDTLS_ECP_ALT */
#if defined(MBEDTLS_TEST_HOOKS)
MBEDTLS_STATIC_TESTABLE
int mbedtls_ecp_modulus_setup(mbedtls_mpi_mod_modulus *N,
const mbedtls_ecp_group_id id,
const mbedtls_ecp_curve_type ctype)
{
mbedtls_mpi_uint *p = NULL;
size_t p_limbs;
if (!(ctype == (mbedtls_ecp_curve_type) MBEDTLS_ECP_MOD_COORDINATE || \
ctype == (mbedtls_ecp_curve_type) MBEDTLS_ECP_MOD_SCALAR)) {
return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
}
switch (id) {
#if defined(MBEDTLS_ECP_DP_SECP192R1_ENABLED)
case MBEDTLS_ECP_DP_SECP192R1:
if (ctype == (mbedtls_ecp_curve_type) MBEDTLS_ECP_MOD_COORDINATE) {
p = (mbedtls_mpi_uint *) secp192r1_p;
p_limbs = CHARS_TO_LIMBS(sizeof(secp192r1_p));
} else {
p = (mbedtls_mpi_uint *) secp192r1_n;
p_limbs = CHARS_TO_LIMBS(sizeof(secp192r1_n));
}
break;
#endif
#if defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED)
case MBEDTLS_ECP_DP_SECP224R1:
if (ctype == (mbedtls_ecp_curve_type) MBEDTLS_ECP_MOD_COORDINATE) {
p = (mbedtls_mpi_uint *) secp224r1_p;
p_limbs = CHARS_TO_LIMBS(sizeof(secp224r1_p));
} else {
p = (mbedtls_mpi_uint *) secp224r1_n;
p_limbs = CHARS_TO_LIMBS(sizeof(secp224r1_n));
}
break;
#endif
#if defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED)
case MBEDTLS_ECP_DP_SECP256R1:
if (ctype == (mbedtls_ecp_curve_type) MBEDTLS_ECP_MOD_COORDINATE) {
p = (mbedtls_mpi_uint *) secp256r1_p;
p_limbs = CHARS_TO_LIMBS(sizeof(secp256r1_p));
} else {
p = (mbedtls_mpi_uint *) secp256r1_n;
p_limbs = CHARS_TO_LIMBS(sizeof(secp256r1_n));
}
break;
#endif
#if defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED)
case MBEDTLS_ECP_DP_SECP384R1:
if (ctype == (mbedtls_ecp_curve_type) MBEDTLS_ECP_MOD_COORDINATE) {
p = (mbedtls_mpi_uint *) secp384r1_p;
p_limbs = CHARS_TO_LIMBS(sizeof(secp384r1_p));
} else {
p = (mbedtls_mpi_uint *) secp384r1_n;
p_limbs = CHARS_TO_LIMBS(sizeof(secp384r1_n));
}
break;
#endif
#if defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED)
case MBEDTLS_ECP_DP_SECP521R1:
if (ctype == (mbedtls_ecp_curve_type) MBEDTLS_ECP_MOD_COORDINATE) {
p = (mbedtls_mpi_uint *) secp521r1_p;
p_limbs = CHARS_TO_LIMBS(sizeof(secp521r1_p));
} else {
p = (mbedtls_mpi_uint *) secp521r1_n;
p_limbs = CHARS_TO_LIMBS(sizeof(secp521r1_n));
}
break;
#endif
#if defined(MBEDTLS_ECP_DP_BP256R1_ENABLED)
case MBEDTLS_ECP_DP_BP256R1:
if (ctype == (mbedtls_ecp_curve_type) MBEDTLS_ECP_MOD_COORDINATE) {
p = (mbedtls_mpi_uint *) brainpoolP256r1_p;
p_limbs = CHARS_TO_LIMBS(sizeof(brainpoolP256r1_p));
} else {
p = (mbedtls_mpi_uint *) brainpoolP256r1_n;
p_limbs = CHARS_TO_LIMBS(sizeof(brainpoolP256r1_n));
}
break;
#endif
#if defined(MBEDTLS_ECP_DP_BP384R1_ENABLED)
case MBEDTLS_ECP_DP_BP384R1:
if (ctype == (mbedtls_ecp_curve_type) MBEDTLS_ECP_MOD_COORDINATE) {
p = (mbedtls_mpi_uint *) brainpoolP384r1_p;
p_limbs = CHARS_TO_LIMBS(sizeof(brainpoolP384r1_p));
} else {
p = (mbedtls_mpi_uint *) brainpoolP384r1_n;
p_limbs = CHARS_TO_LIMBS(sizeof(brainpoolP384r1_n));
}
break;
#endif
#if defined(MBEDTLS_ECP_DP_BP512R1_ENABLED)
case MBEDTLS_ECP_DP_BP512R1:
if (ctype == (mbedtls_ecp_curve_type) MBEDTLS_ECP_MOD_COORDINATE) {
p = (mbedtls_mpi_uint *) brainpoolP512r1_p;
p_limbs = CHARS_TO_LIMBS(sizeof(brainpoolP512r1_p));
} else {
p = (mbedtls_mpi_uint *) brainpoolP512r1_n;
p_limbs = CHARS_TO_LIMBS(sizeof(brainpoolP512r1_n));
}
break;
#endif
#if defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED)
case MBEDTLS_ECP_DP_CURVE25519:
if (ctype == (mbedtls_ecp_curve_type) MBEDTLS_ECP_MOD_COORDINATE) {
p = (mbedtls_mpi_uint *) curve25519_p;
p_limbs = CHARS_TO_LIMBS(sizeof(curve25519_p));
} else {
p = (mbedtls_mpi_uint *) curve25519_n;
p_limbs = CHARS_TO_LIMBS(sizeof(curve25519_n));
}
break;
#endif
#if defined(MBEDTLS_ECP_DP_SECP192K1_ENABLED)
case MBEDTLS_ECP_DP_SECP192K1:
if (ctype == (mbedtls_ecp_curve_type) MBEDTLS_ECP_MOD_COORDINATE) {
p = (mbedtls_mpi_uint *) secp192k1_p;
p_limbs = CHARS_TO_LIMBS(sizeof(secp192k1_p));
} else {
p = (mbedtls_mpi_uint *) secp192k1_n;
p_limbs = CHARS_TO_LIMBS(sizeof(secp192k1_n));
}
break;
#endif
#if defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED)
case MBEDTLS_ECP_DP_SECP224K1:
if (ctype == (mbedtls_ecp_curve_type) MBEDTLS_ECP_MOD_COORDINATE) {
p = (mbedtls_mpi_uint *) secp224k1_p;
p_limbs = CHARS_TO_LIMBS(sizeof(secp224k1_p));
} else {
p = (mbedtls_mpi_uint *) secp224k1_n;
p_limbs = CHARS_TO_LIMBS(sizeof(secp224k1_n));
}
break;
#endif
#if defined(MBEDTLS_ECP_DP_SECP256K1_ENABLED)
case MBEDTLS_ECP_DP_SECP256K1:
if (ctype == (mbedtls_ecp_curve_type) MBEDTLS_ECP_MOD_COORDINATE) {
p = (mbedtls_mpi_uint *) secp256k1_p;
p_limbs = CHARS_TO_LIMBS(sizeof(secp256k1_p));
} else {
p = (mbedtls_mpi_uint *) secp256k1_n;
p_limbs = CHARS_TO_LIMBS(sizeof(secp256k1_n));
}
break;
#endif
#if defined(MBEDTLS_ECP_DP_CURVE448_ENABLED)
case MBEDTLS_ECP_DP_CURVE448:
if (ctype == (mbedtls_ecp_curve_type) MBEDTLS_ECP_MOD_COORDINATE) {
p = (mbedtls_mpi_uint *) curve448_p;
p_limbs = CHARS_TO_LIMBS(sizeof(curve448_p));
} else {
p = (mbedtls_mpi_uint *) curve448_n;
p_limbs = CHARS_TO_LIMBS(sizeof(curve448_n));
}
break;
#endif
default:
case MBEDTLS_ECP_DP_NONE:
return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
}
if (mbedtls_mpi_mod_modulus_setup(N, p, p_limbs,
MBEDTLS_MPI_MOD_REP_MONTGOMERY)) {
return MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
}
return 0;
}
#endif /* MBEDTLS_TEST_HOOKS */
#endif /* !MBEDTLS_ECP_ALT */
#endif /* MBEDTLS_ECP_C */

23
library/ecp_invasive.h
View file

@ -28,6 +28,7 @@
#include "common.h"
#include "mbedtls/bignum.h"
#include "bignum_mod.h"
#include "mbedtls/ecp.h"
#if defined(MBEDTLS_TEST_HOOKS) && defined(MBEDTLS_ECP_C)
@ -117,6 +118,28 @@ int mbedtls_ecp_mod_p521_raw(mbedtls_mpi_uint *X, size_t X_limbs);
#endif /* MBEDTLS_ECP_DP_SECP521R1_ENABLED */
/** Initialise a modulus with hard-coded const curve data.
*
* \note The caller is responsible for the \p N modulus' memory.
* mbedtls_mpi_mod_modulus_free(&N) should be invoked at the
* end of its lifecycle.
*
* \param[in,out] N The address of the modulus structure to populate.
* Must be initialized.
* \param[in] id The mbedtls_ecp_group_id for which to initialise the modulus.
* \param[in] ctype The mbedtls_ecp_curve_type identifier for a coordinate modulus (P)
* or a scalar modulus (N).
*
* \return \c 0 if successful.
* \return #MBEDTLS_ERR_ECP_BAD_INPUT_DATA if the given MPIs do not
* have the correct number of limbs.
*
*/
MBEDTLS_STATIC_TESTABLE
int mbedtls_ecp_modulus_setup(mbedtls_mpi_mod_modulus *N,
const mbedtls_ecp_group_id id,
const mbedtls_ecp_curve_type ctype);
#endif /* MBEDTLS_TEST_HOOKS && MBEDTLS_ECP_C */
#endif /* MBEDTLS_ECP_INVASIVE_H */

112
tests/suites/test_suite_ecp.data
View file

@ -1038,3 +1038,115 @@ ecp_check_order:MBEDTLS_ECP_DP_SECP256K1:"fffffffffffffffffffffffffffffffebaaedc
ECP check order for CURVE448
depends_on:MBEDTLS_ECP_DP_CURVE448_ENABLED
ecp_check_order:MBEDTLS_ECP_DP_CURVE448:"3fffffffffffffffffffffffffffffffffffffffffffffffffffffff7cca23e9c44edb49aed63690216cc2728dc58f552378c292ab5844f3"
ecp_setup #1 MBEDTLS_ECP_MOD_COORDINATE(MBEDTLS_ECP_DP_SECP192R1)
depends_on:MBEDTLS_ECP_DP_SECP192R1_ENABLED
ecp_mod_setup:"fffffffffffffffffffffffffffffffeffffffffffffffff":MBEDTLS_ECP_DP_SECP192R1:MBEDTLS_ECP_MOD_COORDINATE:0
ecp_setup #2 MBEDTLS_ECP_MOD_COORDINATE(MBEDTLS_ECP_DP_SECP224R1)
depends_on:MBEDTLS_ECP_DP_SECP224R1_ENABLED
ecp_mod_setup:"00000000ffffffffffffffffffffffffffffffff000000000000000000000001":MBEDTLS_ECP_DP_SECP224R1:MBEDTLS_ECP_MOD_COORDINATE:0
ecp_setup #3 MBEDTLS_ECP_MOD_COORDINATE(MBEDTLS_ECP_DP_SECP256R1)
depends_on:MBEDTLS_ECP_DP_SECP256R1_ENABLED
ecp_mod_setup:"ffffffff00000001000000000000000000000000ffffffffffffffffffffffff":MBEDTLS_ECP_DP_SECP256R1:MBEDTLS_ECP_MOD_COORDINATE:0
ecp_setup #4 MBEDTLS_ECP_MOD_COORDINATE(MBEDTLS_ECP_DP_SECP384R1)
depends_on:MBEDTLS_ECP_DP_SECP384R1_ENABLED
ecp_mod_setup:"fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000ffffffff":MBEDTLS_ECP_DP_SECP384R1:MBEDTLS_ECP_MOD_COORDINATE:0
ecp_setup #5 MBEDTLS_ECP_MOD_COORDINATE(MBEDTLS_ECP_DP_SECP521R1)
depends_on:MBEDTLS_ECP_DP_SECP521R1_ENABLED
ecp_mod_setup:"1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff":MBEDTLS_ECP_DP_SECP521R1:MBEDTLS_ECP_MOD_COORDINATE:0
ecp_setup #6 MBEDTLS_ECP_MOD_COORDINATE(MBEDTLS_ECP_DP_BP256R1)
depends_on:MBEDTLS_ECP_DP_BP256R1_ENABLED
ecp_mod_setup:"a9fb57dba1eea9bc3e660a909d838d726e3bf623d52620282013481d1f6e5377":MBEDTLS_ECP_DP_BP256R1:MBEDTLS_ECP_MOD_COORDINATE:0
ecp_setup #7 MBEDTLS_ECP_MOD_COORDINATE(MBEDTLS_ECP_DP_BP384R1)
depends_on:MBEDTLS_ECP_DP_BP384R1_ENABLED
ecp_mod_setup:"8cb91e82a3386d280f5d6f7e50e641df152f7109ed5456b412b1da197fb71123acd3a729901d1a71874700133107ec53":MBEDTLS_ECP_DP_BP384R1:MBEDTLS_ECP_MOD_COORDINATE:0
ecp_setup #8 MBEDTLS_ECP_MOD_COORDINATE(MBEDTLS_ECP_DP_BP512R1)
depends_on:MBEDTLS_ECP_DP_BP512R1_ENABLED
ecp_mod_setup:"aadd9db8dbe9c48b3fd4e6ae33c9fc07cb308db3b3c9d20ed6639cca703308717d4d9b009bc66842aecda12ae6a380e62881ff2f2d82c68528aa6056583a48f3":MBEDTLS_ECP_DP_BP512R1:MBEDTLS_ECP_MOD_COORDINATE:0
ecp_setup #9 MBEDTLS_ECP_MOD_COORDINATE(MBEDTLS_ECP_DP_CURVE25519)
depends_on:MBEDTLS_ECP_DP_CURVE25519_ENABLED
ecp_mod_setup:"7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffed":MBEDTLS_ECP_DP_CURVE25519:MBEDTLS_ECP_MOD_COORDINATE:0
ecp_setup #10 MBEDTLS_ECP_MOD_COORDINATE(MBEDTLS_ECP_DP_SECP192K1)
depends_on:MBEDTLS_ECP_DP_SECP192K1_ENABLED
ecp_mod_setup:"fffffffffffffffffffffffffffffffffffffffeffffee37":MBEDTLS_ECP_DP_SECP192K1:MBEDTLS_ECP_MOD_COORDINATE:0
ecp_setup #11 MBEDTLS_ECP_MOD_COORDINATE(MBEDTLS_ECP_DP_SECP224K1)
depends_on:MBEDTLS_ECP_DP_SECP224K1_ENABLED
ecp_mod_setup:"fffffffffffffffffffffffffffffffffffffffffffffffeffffe56d":MBEDTLS_ECP_DP_SECP224K1:MBEDTLS_ECP_MOD_COORDINATE:0
ecp_setup #12 MBEDTLS_ECP_MOD_COORDINATE(MBEDTLS_ECP_DP_SECP256K1)
depends_on:MBEDTLS_ECP_DP_SECP256K1_ENABLED
ecp_mod_setup:"fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f":MBEDTLS_ECP_DP_SECP256K1:MBEDTLS_ECP_MOD_COORDINATE:0
ecp_setup #13 MBEDTLS_ECP_MOD_COORDINATE(MBEDTLS_ECP_DP_CURVE448)
depends_on:MBEDTLS_ECP_DP_CURVE448_ENABLED
ecp_mod_setup:"000000000000000fffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffffffffffffffffffffffffffffffffffffffffffffffffffff":MBEDTLS_ECP_DP_CURVE448:MBEDTLS_ECP_MOD_COORDINATE:0
ecp_setup #14 MBEDTLS_ECP_MOD_SCALAR(MBEDTLS_ECP_DP_SECP192R1)
depends_on:MBEDTLS_ECP_DP_SECP192R1_ENABLED
ecp_mod_setup:"ffffffffffffffffffffffff99def836146bc9b1b4d22831":MBEDTLS_ECP_DP_SECP192R1:MBEDTLS_ECP_MOD_SCALAR:0
ecp_setup #15 MBEDTLS_ECP_MOD_SCALAR(MBEDTLS_ECP_DP_SECP224R1)
depends_on:MBEDTLS_ECP_DP_SECP224R1_ENABLED
ecp_mod_setup:"ffffffffffffffffffffffffffff16a2e0b8f03e13dd29455c5c2a3d":MBEDTLS_ECP_DP_SECP224R1:MBEDTLS_ECP_MOD_SCALAR:0
ecp_setup #16 MBEDTLS_ECP_MOD_SCALAR(MBEDTLS_ECP_DP_SECP256R1)
depends_on:MBEDTLS_ECP_DP_SECP256R1_ENABLED
ecp_mod_setup:"ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551":MBEDTLS_ECP_DP_SECP256R1:MBEDTLS_ECP_MOD_SCALAR:0
ecp_setup #17 MBEDTLS_ECP_MOD_SCALAR(MBEDTLS_ECP_DP_SECP384R1)
depends_on:MBEDTLS_ECP_DP_SECP384R1_ENABLED
ecp_mod_setup:"ffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52973":MBEDTLS_ECP_DP_SECP384R1:MBEDTLS_ECP_MOD_SCALAR:0
ecp_setup #18 MBEDTLS_ECP_MOD_SCALAR(MBEDTLS_ECP_DP_SECP521R1)
depends_on:MBEDTLS_ECP_DP_SECP521R1_ENABLED
ecp_mod_setup:"1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409":MBEDTLS_ECP_DP_SECP521R1:MBEDTLS_ECP_MOD_SCALAR:0
ecp_setup #19 MBEDTLS_ECP_MOD_SCALAR(MBEDTLS_ECP_DP_BP256R1)
depends_on:MBEDTLS_ECP_DP_BP256R1_ENABLED
ecp_mod_setup:"a9fb57dba1eea9bc3e660a909d838d718c397aa3b561a6f7901e0e82974856a7":MBEDTLS_ECP_DP_BP256R1:MBEDTLS_ECP_MOD_SCALAR:0
ecp_setup #20 MBEDTLS_ECP_MOD_COORDINATE(MBEDTLS_ECP_DP_BP384R1)
depends_on:MBEDTLS_ECP_DP_BP384R1_ENABLED
ecp_mod_setup:"8cb91e82a3386d280f5d6f7e50e641df152f7109ed5456b412b1da197fb71123acd3a729901d1a71874700133107ec53":MBEDTLS_ECP_DP_BP384R1:MBEDTLS_ECP_MOD_COORDINATE:0
ecp_setup #21 MBEDTLS_ECP_MOD_SCALAR(MBEDTLS_ECP_DP_BP512R1)
depends_on:MBEDTLS_ECP_DP_BP512R1_ENABLED
ecp_mod_setup:"aadd9db8dbe9c48b3fd4e6ae33c9fc07cb308db3b3c9d20ed6639cca70330870553e5c414ca92619418661197fac10471db1d381085ddaddb58796829ca90069":MBEDTLS_ECP_DP_BP512R1:MBEDTLS_ECP_MOD_SCALAR:0
ecp_setup #22 MBEDTLS_ECP_MOD_SCALAR(MBEDTLS_ECP_DP_CURVE25519)
depends_on:MBEDTLS_ECP_DP_CURVE25519_ENABLED
ecp_mod_setup:"1000000000000000000000000000000014def9dea2f79cd65812631a5cf5d3ed":MBEDTLS_ECP_DP_CURVE25519:MBEDTLS_ECP_MOD_SCALAR:0
ecp_setup #23 MBEDTLS_ECP_MOD_SCALAR(MBEDTLS_ECP_DP_SECP192K1)
depends_on:MBEDTLS_ECP_DP_SECP192K1_ENABLED
ecp_mod_setup:"fffffffffffffffffffffffe26f2fc170f69466a74defd8d":MBEDTLS_ECP_DP_SECP192K1:MBEDTLS_ECP_MOD_SCALAR:0
ecp_setup #24 MBEDTLS_ECP_MOD_SCALAR(MBEDTLS_ECP_DP_SECP224K1)
depends_on:MBEDTLS_ECP_DP_SECP224K1_ENABLED
ecp_mod_setup:"000000010000000000000000000000000001dce8d2ec6184caf0a971769fb1f7":MBEDTLS_ECP_DP_SECP224K1:MBEDTLS_ECP_MOD_SCALAR:0
ecp_setup #25 MBEDTLS_ECP_MOD_SCALAR(MBEDTLS_ECP_DP_SECP256K1)
depends_on:MBEDTLS_ECP_DP_SECP256K1_ENABLED
ecp_mod_setup:"fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141":MBEDTLS_ECP_DP_SECP256K1:MBEDTLS_ECP_MOD_SCALAR:0
ecp_setup #26 MBEDTLS_ECP_MOD_SCALAR(MBEDTLS_ECP_DP_CURVE448)
depends_on:MBEDTLS_ECP_DP_CURVE448_ENABLED
ecp_mod_setup:"0000000000000003fffffffffffffffffffffffffffffffffffffffffffffffffffffff7cca23e9c44edb49aed63690216cc2728dc58f552378c292ab5844f3":MBEDTLS_ECP_DP_CURVE448:MBEDTLS_ECP_MOD_SCALAR:0
ecp_setup_negative_test #27 Invalid Moduli Type
depends_on:MBEDTLS_ECP_DP_CURVE448_ENABLED
ecp_mod_setup:"fffffffffffffffffffffffe26f2fc17f69466a74defd8d":MBEDTLS_ECP_DP_CURVE448:MBEDTLS_ECP_MOD_NONE:MBEDTLS_ERR_ECP_BAD_INPUT_DATA
ecp_setup_negative_test #28 Invalid Curve Type
depends_on:MBEDTLS_ECP_DP_CURVE448_ENABLED
ecp_mod_setup:"fffffffffffffffffffffffe26f2fc17f69466a74defd8d":MBEDTLS_ECP_DP_NONE:MBEDTLS_ECP_MOD_SCALAR:MBEDTLS_ERR_ECP_BAD_INPUT_DATA

41
tests/suites/test_suite_ecp.function
View file

@ -1,5 +1,6 @@
/* BEGIN_HEADER */
#include "mbedtls/ecp.h"
#include "ecp_invasive.h"
#include "mbedtls/ecdsa.h"
#include "mbedtls/ecdh.h"
@ -1387,3 +1388,43 @@ exit:
mbedtls_free(N);
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_TEST_HOOKS */
void ecp_mod_setup(char *input_A, int id, int ctype, int iret)
{
int ret;
mbedtls_mpi_mod_modulus m;
mbedtls_mpi_mod_modulus_init(&m);
mbedtls_mpi_uint *p = NULL;
size_t p_limbs;
size_t bytes;
TEST_EQUAL(mbedtls_test_read_mpi_core(&p, &p_limbs, input_A), 0);
ret = mbedtls_ecp_modulus_setup(&m, id, ctype);
TEST_EQUAL(ret, iret);
if (ret == 0) {
/* Test for limb sizes */
TEST_EQUAL(m.limbs, p_limbs);
bytes = p_limbs * sizeof(mbedtls_mpi_uint);
/* Test for validity of moduli by the presence of Montgomery consts */
TEST_ASSERT(m.rep.mont.mm != 0);
TEST_ASSERT(m.rep.mont.rr != NULL);
/* Compare output byte-by-byte */
ASSERT_COMPARE(p, bytes, m.p, bytes);
/* Test for user free-ing allocated memory */
mbedtls_mpi_mod_modulus_free(&m);
}
exit:
mbedtls_mpi_mod_modulus_free(&m);
mbedtls_free(p);
}
/* END_CASE */