From: lizhi <lizhi206@huawei.com> Replace magic number 3 with HASH_FIRST_BYTES macro. Signed-off-by: lizhi <lizhi206@huawei.com> Signed-off-by: JiangShui Yang <yangjiangshui@h-partners.com> --- src/uadk_prov_ffc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/uadk_prov_ffc.c b/src/uadk_prov_ffc.c index 7719039..88059e4 100644 --- a/src/uadk_prov_ffc.c +++ b/src/uadk_prov_ffc.c @@ -21,6 +21,7 @@ #define BN_DEF(lo, hi) lo, hi #endif +#define HASH_FIRST_BYTES 3 /* DH parameters from RFC3526 */ # ifndef FIPS_MODULE @@ -1510,7 +1511,7 @@ static int generate_canonical_g(BN_CTX *ctx, BN_MONT_CTX *mont, !EVP_DigestUpdate(mctx, seed, seedlen) || !EVP_DigestUpdate(mctx, ggen, sizeof(ggen)) || /* Hash the first three bytes of md, corresponds to 'index || counter' */ - !EVP_DigestUpdate(mctx, md, 3) || + !EVP_DigestUpdate(mctx, md, HASH_FIRST_BYTES) || !EVP_DigestFinal_ex(mctx, md, NULL) || (BN_bin2bn(md, mdsize, w) == NULL) || !BN_mod_exp_mont(g, w, e, p, ctx, mont)) -- 2.43.0