From 7284061361e32d6f4d6308bf41d751601d101ba2 Mon Sep 17 00:00:00 2001
From: Viktor Szakats <commit@vsz.me>
Date: Tue, 17 Mar 2020 23:06:05 +0000
Subject: windows: suppress UI in all CryptAcquireContext() calls
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Ref: https://docs.microsoft.com/windows/win32/api/wincrypt/nf-wincrypt-cryptacquirecontexta#parameters
Reviewed-by: Marc Hörsken
Closes https://github.com/curl/curl/pull/5088
---
 lib/sha256.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'lib/sha256.c')

diff --git a/lib/sha256.c b/lib/sha256.c
index 352d577e8..00d98ce46 100644
--- a/lib/sha256.c
+++ b/lib/sha256.c
@@ -207,8 +207,8 @@ typedef struct {
 
 static void SHA256_Init(SHA256_CTX *ctx)
 {
-  if(CryptAcquireContext(&ctx->hCryptProv, NULL, NULL,
-                         PROV_RSA_AES, CRYPT_VERIFYCONTEXT)) {
+  if(CryptAcquireContext(&ctx->hCryptProv, NULL, NULL, PROV_RSA_AES,
+                         CRYPT_VERIFYCONTEXT | CRYPT_SILENT)) {
     CryptCreateHash(ctx->hCryptProv, CALG_SHA_256, 0, 0, &ctx->hHash);
   }
 }
-- 
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