Clone ring from the head of the ring repository into third_party

Ring has been cloned cloned into third_party, using commit 32b2c6c39ef459aad47f476fe9139b8d57532ab1 from https://github.com/briansmith/ring. This is done so that we will be able to later port our own patch onto it, specifically UEFI compatibility from: briansmith/ring#1406.

Author: Juliette Pretot

third_party/ring/.cargo/audit.toml

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+[advisories]
+# https://github.com/bheisler/criterion.rs/issues/534. serde_cbor is a
+# benchmark-only dependency.
+ignore = ["RUSTSEC-2021-0127"]
+
+[output]
+deny = ["warnings", "yanked", "unsound", "unmaintained"]
+quiet = false

third_party/ring/.clang-format

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+BasedOnStyle: Google
+MaxEmptyLinesToKeep: 3
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+DerivePointerAlignment: false
+PointerAlignment: Right
+# TODO(davidben): The default for Google style is now Regroup, but the default
+# IncludeCategories does not recognize <openssl/header.h>. We should
+# reconfigure IncludeCategories to match. For now, keep it at Preserve.
+IncludeBlocks: Preserve
+

third_party/ring/.coveralls.yml

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+service_name: travis-pro

third_party/ring/.editorconfig

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+root = true
+
+[*]
+# Visual Studio 2017 does this wrong
+# https://developercommunity.visualstudio.com/content/problem/22922/editorconfig-support-interprets-charset-utf-8-as-u.html
+# charset = utf-8
+end_of_line = lf
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.{c,cc,h,inl}]
+indent_size = 2
+
+[*.{py,rs,toml}]
+indent_size = 4
+
+[*.pl]
+trim_trailing_whitespace = false
+indent_style = tab
+indent_size = 4

third_party/ring/.gitattributes

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+* text=auto !eol
+crypto/**/*.pl linguist-language=Assembly
+crypto/perlasm/*.pl linguist-language=Perl
+*.bin binary
+*.der binary
+**/*.h linguist-language=C
+**/*.inl linguist-language=C

third_party/ring/.github/codecov.yml

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+coverage:
+  status:
+    patch:
+      default:
+        # Even when coverage hasn't decreased, Codecov would report a reduction
+        # in coverage of about 0.01%, but only for the patch-level measurement.
+        # Work around that.
+        threshold: 0.02%