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ecp: don't re-invent BITS_TO_LIMBS()

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Signed-off-by: Manuel Pégourié-Gonnard <[email protected]>
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Manuel Pégourié-Gonnard
2026-05-20 13:18:08 +02:00
parent a540f097d8
commit fa157d7d50
1 changed files with 3 additions and 3 deletions
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library/ecp_curves.c
+3 -3
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@@ -5371,7 +5371,7 @@ int mbedtls_ecp_mod_p384_raw(mbedtls_mpi_uint *X, size_t X_limbs)
#if defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED)
/* Size of p521 in terms of mbedtls_mpi_uint */
#define P521_WIDTH (521 / 8 / sizeof(mbedtls_mpi_uint) + 1)
#define P521_WIDTH BITS_TO_LIMBS(521)
/* Bits to keep in the most significant mbedtls_mpi_uint */
#define P521_MASK 0x01FF
@@ -5467,7 +5467,7 @@ int mbedtls_ecp_mod_p521_raw(mbedtls_mpi_uint *X, size_t X_limbs)
#if defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED)
/* Size of p255 in terms of mbedtls_mpi_uint */
#define P255_WIDTH (255 / 8 / sizeof(mbedtls_mpi_uint) + 1)
#define P255_WIDTH BITS_TO_LIMBS(255)
/*
* Fast quasi-reduction modulo p255 = 2^255 - 19
@@ -5535,7 +5535,7 @@ int mbedtls_ecp_mod_p255_raw(mbedtls_mpi_uint *X, size_t X_Limbs)
#if defined(MBEDTLS_ECP_DP_CURVE448_ENABLED)
/* Size of p448 in terms of mbedtls_mpi_uint */
#define P448_WIDTH (448 / 8 / sizeof(mbedtls_mpi_uint))
#define P448_WIDTH BITS_TO_LIMBS(448)
/* Number of bytes for a 224-bit value */
#define P224_SIZE (224 / 8)