diff options
author | Theo Buehler <tb@cvs.openbsd.org> | 2022-07-15 06:14:18 +0000 |
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committer | Theo Buehler <tb@cvs.openbsd.org> | 2022-07-15 06:14:18 +0000 |
commit | 1bcb655acd64114ebd8997e0b88fbe210878e724 (patch) | |
tree | 143e9039918e180945b7e9954afd6bccc29753c3 /lib/libcrypto | |
parent | cf1886f44bcb8b4fabb2eee8236797e8be74af83 (diff) |
Comment for factorization of n - 1 = k * 2^s in bn_miller_rabin_base_2()
Diffstat (limited to 'lib/libcrypto')
-rw-r--r-- | lib/libcrypto/bn/bn_bpsw.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/libcrypto/bn/bn_bpsw.c b/lib/libcrypto/bn/bn_bpsw.c index 0741c6fffea..f189571ebe0 100644 --- a/lib/libcrypto/bn/bn_bpsw.c +++ b/lib/libcrypto/bn/bn_bpsw.c @@ -1,4 +1,4 @@ -/* $OpenBSD: bn_bpsw.c,v 1.1 2022/07/13 06:32:15 tb Exp $ */ +/* $OpenBSD: bn_bpsw.c,v 1.2 2022/07/15 06:14:17 tb Exp $ */ /* * Copyright (c) 2022 Martin Grenouilloux <martin.grenouilloux@lse.epita.fr> * Copyright (c) 2022 Theo Buehler <tb@openbsd.org> @@ -319,6 +319,7 @@ bn_miller_rabin_base_2(int *is_prime, const BIGNUM *n, BN_CTX *ctx) if (!BN_sub(n_minus_one, n, BN_value_one())) goto err; + /* Factorize n - 1 = k * 2^s. */ s = 0; while (!BN_is_bit_set(n_minus_one, s)) s++; |