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ecp_curves: Introduced mbedtls_ecp_mod_p224k1()

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This patch introduces a `MBEDTLS_STATIC_TESTABLE` helper
method which exposes `ecp_mod_p256k1()` to the test-framework

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
This commit is contained in:
Minos Galanakis 2023-04-13 12:22:41 +01:00
parent e5dab975c6
commit 9d80879f90
2 changed files with 10 additions and 3 deletions
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11
library/ecp_curves.c
View file

@ -4612,8 +4612,9 @@ 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 *);
int mbedtls_ecp_mod_p224k1(mbedtls_mpi *);
#endif
#if defined(MBEDTLS_ECP_DP_SECP256K1_ENABLED)
static int ecp_mod_p256k1(mbedtls_mpi *);
@ -5625,12 +5626,18 @@ int mbedtls_ecp_mod_p192k1(mbedtls_mpi *N)
#endif /* MBEDTLS_ECP_DP_SECP192K1_ENABLED */
#if defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED)
static int ecp_mod_p224k1(mbedtls_mpi *N)
{
return mbedtls_ecp_mod_p224k1(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
*/
MBEDTLS_STATIC_TESTABLE
int ecp_mod_p224k1(mbedtls_mpi *N)
int mbedtls_ecp_mod_p224k1(mbedtls_mpi *N)
{
static mbedtls_mpi_uint Rp[] = {
MBEDTLS_BYTES_TO_T_UINT_8(0x93, 0x1A, 0x00, 0x00, 0x01, 0x00, 0x00,

2
library/ecp_invasive.h
View file

@ -182,7 +182,7 @@ int mbedtls_ecp_mod_p192k1(mbedtls_mpi *N);
#if defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED)
MBEDTLS_STATIC_TESTABLE
int ecp_mod_p224k1(mbedtls_mpi *N);
int mbedtls_ecp_mod_p224k1(mbedtls_mpi *N);
#endif /* MBEDTLS_ECP_DP_SECP224K1_ENABLED */