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diff -Naur grpc-1.39.0-original/src/objective-c/tests/CronetTests/CronetUnitTests.mm grpc-1.39.0/src/objective-c/tests/CronetTests/CronetUnitTests.mm
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--- grpc-1.39.0-original/src/objective-c/tests/CronetTests/CronetUnitTests.mm	2021-07-20 18:39:39.000000000 -0400
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+++ grpc-1.39.0/src/objective-c/tests/CronetTests/CronetUnitTests.mm	2021-07-23 14:42:11.649278304 -0400
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@@ -103,7 +103,7 @@
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   BIO_free(pem);
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   // Select cipher suite
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-  SSL_CTX_set_cipher_list(ctx, "ECDHE-RSA-AES128-GCM-SHA256");
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+  SSL_CTX_set_cipher_list(ctx, "PROFILE=SYSTEM");
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   // Select ALPN protocol
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   SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, NULL);
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diff -Naur grpc-1.39.0-original/test/core/handshake/client_ssl.cc grpc-1.39.0/test/core/handshake/client_ssl.cc
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--- grpc-1.39.0-original/test/core/handshake/client_ssl.cc	2021-07-20 18:39:39.000000000 -0400
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+++ grpc-1.39.0/test/core/handshake/client_ssl.cc	2021-07-23 14:41:27.549570232 -0400
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@@ -220,9 +220,7 @@
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   // Set the cipher list to match the one expressed in
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   // src/core/tsi/ssl_transport_security.cc.
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-  const char* cipher_list =
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-      "ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-"
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-      "SHA384:ECDHE-RSA-AES256-GCM-SHA384";
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+  const char* cipher_list = "PROFILE=SYSTEM";
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   if (!SSL_CTX_set_cipher_list(ctx, cipher_list)) {
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     ERR_print_errors_fp(stderr);
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     gpr_log(GPR_ERROR, "Couldn't set server cipher list.");
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diff -Naur grpc-1.39.0-original/test/core/handshake/server_ssl_common.cc grpc-1.39.0/test/core/handshake/server_ssl_common.cc
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--- grpc-1.39.0-original/test/core/handshake/server_ssl_common.cc	2021-07-20 18:39:39.000000000 -0400
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+++ grpc-1.39.0/test/core/handshake/server_ssl_common.cc	2021-07-23 14:41:14.369657480 -0400
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@@ -204,9 +204,7 @@
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   // Set the cipher list to match the one expressed in
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   // src/core/tsi/ssl_transport_security.c.
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-  const char* cipher_list =
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-      "ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-"
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-      "SHA384:ECDHE-RSA-AES256-GCM-SHA384";
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+  const char* cipher_list = "PROFILE=SYSTEM";
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   if (!SSL_CTX_set_cipher_list(ctx, cipher_list)) {
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     ERR_print_errors_fp(stderr);
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     gpr_log(GPR_ERROR, "Couldn't set server cipher list.");