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ecp_curves: Added unit-tests for secp224k1

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This patch introduces basic unit-testing for the `ecp_mod_p224k1()`.

The method is exposed through the ecp_invasive interface, and
the standard testing data is being provided by the python framework.

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
This commit is contained in:
Minos Galanakis
2023-04-11 16:42:06 +01:00
parent 3c3b94a31b
commit e5dab975c6
4 changed files with 119 additions and 2 deletions
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6
library/ecp_curves.c
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@ -4612,7 +4612,8 @@ MBEDTLS_STATIC_TESTABLE
int mbedtls_ecp_mod_p192k1(mbedtls_mpi *);
#endif
#if defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED)
static int ecp_mod_p224k1(mbedtls_mpi *);
MBEDTLS_STATIC_TESTABLE
int ecp_mod_p224k1(mbedtls_mpi *);
#endif
#if defined(MBEDTLS_ECP_DP_SECP256K1_ENABLED)
static int ecp_mod_p256k1(mbedtls_mpi *);
@ -5628,7 +5629,8 @@ int mbedtls_ecp_mod_p192k1(mbedtls_mpi *N)
* Fast quasi-reduction modulo p224k1 = 2^224 - R,
* with R = 2^32 + 2^12 + 2^11 + 2^9 + 2^7 + 2^4 + 2 + 1 = 0x0100001A93
*/
static int ecp_mod_p224k1(mbedtls_mpi *N)
MBEDTLS_STATIC_TESTABLE
int ecp_mod_p224k1(mbedtls_mpi *N)
{
static mbedtls_mpi_uint Rp[] = {
MBEDTLS_BYTES_TO_T_UINT_8(0x93, 0x1A, 0x00, 0x00, 0x01, 0x00, 0x00,

6
library/ecp_invasive.h
View File

@ -179,6 +179,12 @@ MBEDTLS_STATIC_TESTABLE
int mbedtls_ecp_mod_p192k1(mbedtls_mpi *N);
#endif /* MBEDTLS_ECP_DP_SECP192K1_ENABLED */
#if defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED)
MBEDTLS_STATIC_TESTABLE
int ecp_mod_p224k1(mbedtls_mpi *N);
#endif /* MBEDTLS_ECP_DP_SECP224K1_ENABLED */
/** Initialise a modulus with hard-coded const curve data.
*