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From: Stefan Berger <stefanb@linux.ibm.com>
To: keyrings@vger.kernel.org, linux-crypto@vger.kernel.org,
        herbert@gondor.apana.org.au, davem@davemloft.net
Cc: linux-kernel@vger.kernel.org, saulo.alessandre@tse.jus.br, lukas@wunner.de,
        bbhushan2@marvell.com, jarkko@kernel.org,
        Stefan Berger <stefanb@linux.ibm.com>
Subject: [PATCH v8 01/13] crypto: ecc - Use ECC_CURVE_NIST_P192/256/384_DIGITS where possible
Date: Thu,  4 Apr 2024 10:18:44 -0400
Message-ID: <20240404141856.2399142-2-stefanb@linux.ibm.com>
In-Reply-To: <20240404141856.2399142-1-stefanb@linux.ibm.com>
References: <20240404141856.2399142-1-stefanb@linux.ibm.com>
Precedence: bulk
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Replace hard-coded numbers with ECC_CURVE_NIST_P192/256/384_DIGITS where
possible.

Tested-by: Lukas Wunner <lukas@wunner.de>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
---
 crypto/ecc.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/crypto/ecc.c b/crypto/ecc.c
index 3581027e9f92..01aa70e97e55 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:
-- 
2.43.0