From 1d71b9824ec28c0f521f4092d7875464328b0722 Mon Sep 17 00:00:00 2001 From: Stefan Berger Date: Thu, 4 Apr 2024 10:18:44 -0400 Subject: crypto: ecc - Use ECC_CURVE_NIST_P192/256/384_DIGITS where possible Replace hard-coded numbers with ECC_CURVE_NIST_P192/256/384_DIGITS where possible. Tested-by: Lukas Wunner Reviewed-by: Jarkko Sakkinen Signed-off-by: Stefan Berger Signed-off-by: Herbert Xu --- crypto/ecc.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/crypto/ecc.c b/crypto/ecc.c index 7c960e0d..e94183f6 100644 --- a/crypto/ecc.c +++ b/crypto/ecc.c @@ -689,7 +689,7 @@ static void vli_mmod_barrett(u64 *result, u64 *product, const u64 *mod, static void vli_mmod_fast_192(u64 *result, const u64 *product, const u64 *curve_prime, u64 *tmp) { - const unsigned int ndigits = 3; + const unsigned int ndigits = ECC_CURVE_NIST_P192_DIGITS; int carry; vli_set(result, product, ndigits); @@ -717,7 +717,7 @@ static void vli_mmod_fast_256(u64 *result, const u64 *product, const u64 *curve_prime, u64 *tmp) { int carry; - const unsigned int ndigits = 4; + const unsigned int ndigits = ECC_CURVE_NIST_P256_DIGITS; /* t */ vli_set(result, product, ndigits); @@ -800,7 +800,7 @@ static void vli_mmod_fast_384(u64 *result, const u64 *product, const u64 *curve_prime, u64 *tmp) { int carry; - const unsigned int ndigits = 6; + const unsigned int ndigits = ECC_CURVE_NIST_P384_DIGITS; /* t */ vli_set(result, product, ndigits); @@ -932,13 +932,13 @@ static bool vli_mmod_fast(u64 *result, u64 *product, } switch (ndigits) { - case 3: + case ECC_CURVE_NIST_P192_DIGITS: vli_mmod_fast_192(result, product, curve_prime, tmp); break; - case 4: + case ECC_CURVE_NIST_P256_DIGITS: vli_mmod_fast_256(result, product, curve_prime, tmp); break; - case 6: + case ECC_CURVE_NIST_P384_DIGITS: vli_mmod_fast_384(result, product, curve_prime, tmp); break; default: -- cgit v1.2.3