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From 95f25c355fc13727410ccacaa618caf6af5d5eba Mon Sep 17 00:00:00 2001
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From: Sergio Correia <scorreia@redhat.com>
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Date: Mon, 3 May 2021 22:36:36 -0300
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Subject: [PATCH] sss: use BN_set_word(x, 0) instead of BN_zero()
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Different OpenSSL versions define BN_zero() differently -- sometimes
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returning an integer, sometimes as void --, so let's use instead
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BN_set_word() instead, not to have issues when building with these
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different versions.
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---
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src/pins/sss/sss.c | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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diff --git a/src/pins/sss/sss.c b/src/pins/sss/sss.c
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index a37215d..7486d6c 100644
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--- a/src/pins/sss/sss.c
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+++ b/src/pins/sss/sss.c
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@@ -214,7 +214,7 @@ sss_point(const json_t *sss, size_t *len)
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if (BN_rand_range(xx, pp) <= 0)
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return NULL;
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- if (BN_zero(yy) <= 0)
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+ if (BN_set_word(yy, 0) <= 0)
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return NULL;
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for (size_t i = 0; i < json_array_size(e); i++) {
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@@ -272,7 +272,7 @@ sss_recover(const json_t *p, size_t npnts, const uint8_t *pnts[])
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if (!ctx || !pp || !acc || !tmp || !k)
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return NULL;
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- if (BN_zero(k) <= 0)
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+ if (BN_set_word(k, 0) <= 0)
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return NULL;
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len = jose_b64_dec(p, NULL, 0);
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@@ -303,7 +303,7 @@ sss_recover(const json_t *p, size_t npnts, const uint8_t *pnts[])
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/* acc *= (0 - xi) / (xo - xi) */
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- if (BN_zero(tmp) <= 0)
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+ if (BN_set_word(tmp, 0) <= 0)
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return NULL;
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if (BN_mod_sub(tmp, tmp, xi, pp, ctx) <= 0)
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--
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2.31.1
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