diff --git a/include/mbedtls/ecp.h b/include/mbedtls/ecp.h index 1590ef21e5..b6144d9aeb 100644 --- a/include/mbedtls/ecp.h +++ b/include/mbedtls/ecp.h @@ -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. * diff --git a/library/ecp_curves.c b/library/ecp_curves.c index 1a027d6aa3..b352e7633d 100644 --- a/library/ecp_curves.c +++ b/library/ecp_curves.c @@ -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 */ diff --git a/library/ecp_invasive.h b/library/ecp_invasive.h index 3d1321c525..aba7cca1ce 100644 --- a/library/ecp_invasive.h +++ b/library/ecp_invasive.h @@ -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 */ diff --git a/tests/suites/test_suite_ecp.data b/tests/suites/test_suite_ecp.data index 9a13793892..3fbad92a59 100644 --- a/tests/suites/test_suite_ecp.data +++ b/tests/suites/test_suite_ecp.data @@ -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 diff --git a/tests/suites/test_suite_ecp.function b/tests/suites/test_suite_ecp.function index 4e74d9b8eb..96537c2b3b 100644 --- a/tests/suites/test_suite_ecp.function +++ b/tests/suites/test_suite_ecp.function @@ -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 */