69a932c2a0
OBS-URL: https://build.opensuse.org/request/show/1120051 OBS-URL: https://build.opensuse.org/package/show/security:tls/openssl-3?expand=0&rev=76
66 lines
2.3 KiB
Diff
66 lines
2.3 KiB
Diff
From 3e47a286dc3274bda72a196c3a4030a1fc8302f1 Mon Sep 17 00:00:00 2001
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From: Rohan McLure <rohanmclure@linux.ibm.com>
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Date: Fri, 23 Jun 2023 16:41:48 +1000
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Subject: [PATCH] ec: Use static linkage on nistp521 felem_{square,mul}
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wrappers
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Runtime selection of implementations for felem_{square,mul} depends on
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felem_{square,mul}_wrapper functions, which overwrite function points in
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a similar design to that of .plt.got sections used by program loaders
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during dynamic linking.
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There's no reason why these functions need to have external linkage.
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Mark static.
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Signed-off-by: Rohan McLure <rohanmclure@linux.ibm.com>
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Reviewed-by: Paul Dale <pauli@openssl.org>
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Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
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Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
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Reviewed-by: Todd Short <todd.short@me.com>
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(Merged from https://github.com/openssl/openssl/pull/21471)
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---
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crypto/ec/ecp_nistp521.c | 10 +++++-----
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1 file changed, 5 insertions(+), 5 deletions(-)
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diff --git a/crypto/ec/ecp_nistp521.c b/crypto/ec/ecp_nistp521.c
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index 97815cac1f13..32a9268ecf17 100644
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--- a/crypto/ec/ecp_nistp521.c
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+++ b/crypto/ec/ecp_nistp521.c
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@@ -676,8 +676,8 @@ static void felem_reduce(felem out, const largefelem in)
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}
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#if defined(ECP_NISTP521_ASM)
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-void felem_square_wrapper(largefelem out, const felem in);
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-void felem_mul_wrapper(largefelem out, const felem in1, const felem in2);
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+static void felem_square_wrapper(largefelem out, const felem in);
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+static void felem_mul_wrapper(largefelem out, const felem in1, const felem in2);
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static void (*felem_square_p)(largefelem out, const felem in) =
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felem_square_wrapper;
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@@ -691,7 +691,7 @@ void p521_felem_mul(largefelem out, const felem in1, const felem in2);
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# include "crypto/ppc_arch.h"
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# endif
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-void felem_select(void)
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+static void felem_select(void)
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{
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# if defined(_ARCH_PPC64)
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if ((OPENSSL_ppccap_P & PPC_MADD300) && (OPENSSL_ppccap_P & PPC_ALTIVEC)) {
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@@ -707,13 +707,13 @@ void felem_select(void)
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felem_mul_p = felem_mul_ref;
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}
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-void felem_square_wrapper(largefelem out, const felem in)
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+static void felem_square_wrapper(largefelem out, const felem in)
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{
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felem_select();
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felem_square_p(out, in);
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}
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-void felem_mul_wrapper(largefelem out, const felem in1, const felem in2)
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+static void felem_mul_wrapper(largefelem out, const felem in1, const felem in2)
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{
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felem_select();
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felem_mul_p(out, in1, in2);
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