gnu: rust-ring-0.16: Enable tests.

* gnu/packages/crates-io.scm (rust-ring-0.16)[source]: Add a patch with
the missing test file.
[arguments]: Don't skip tests.
* gnu/packages/patches/rust-ring-0.16-test-files.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register it.

gnu/local.mk

@@ -1913,6 +1913,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/rustc-1.54.0-src.patch			\
   %D%/packages/patches/rust-1.64-fix-riscv64-bootstrap.patch	\
   %D%/packages/patches/rust-ring-0.16-missing-files.patch	\
+  %D%/packages/patches/rust-ring-0.16-test-files.patch		\
   %D%/packages/patches/i3status-rust-enable-unstable-features.patch	\
   %D%/packages/patches/rust-ndarray-remove-blas-src-dep.patch	\
   %D%/packages/patches/rust-ndarray-0.13-remove-blas-src.patch	\

gnu/packages/crates-io.scm

@@ -52098,7 +52098,8 @@ Digital Signature Algorithm} (ECDSA).")
        (file-name (string-append name "-" version ".tar.gz"))
        (sha256
         (base32 "1z682xp7v38ayq9g9nkbhhfpj6ygralmlx7wdmsfv8rnw99cylrh"))
-       (patches (search-patches "rust-ring-0.16-missing-files.patch"))
+       (patches (search-patches "rust-ring-0.16-missing-files.patch"
+                                "rust-ring-0.16-test-files.patch"))
        (modules '((guix build utils)))
        (snippet
         '(begin
@@ -52112,8 +52113,7 @@ Digital Signature Algorithm} (ECDSA).")
                 (format #t "")))))))
     (build-system cargo-build-system)
     (arguments
-     `(#:tests? #false                  ;missing file
-       #:cargo-inputs
+     `(#:cargo-inputs
        (("rust-libc" ,rust-libc-0.2)
         ("rust-once-cell" ,rust-once-cell-1)
         ("rust-spin" ,rust-spin-0.5)

gnu/packages/patches/rust-ring-0.16-test-files.patch

@@ -0,0 +1,54 @@
+This file exists in the upstream repository at the commit which
+corresponds to the ring-0.16.20 release, but was excluded from the
+release tarball.
+
+---
+ tests/ed25519_verify_tests.txt | 34 ++++++++++++++++++++++++++++++++++
+ 1 file changed, 34 insertions(+)
+ create mode 100644 tests/ed25519_verify_tests.txt
+
+diff --git a/tests/ed25519_verify_tests.txt b/tests/ed25519_verify_tests.txt
+new file mode 100644
+index 0000000..74c94b3
+--- /dev/null
++++ b/tests/ed25519_verify_tests.txt
+@@ -0,0 +1,34 @@
++# BoringSSL TEST(Ed25519Test Malleability)
++
++# Control; S is in range.
++MESSAGE = 54657374
++SIG = 7c38e026f29e14aabd059a0f2db8b0cd783040609a8be684db12f82a27774ab07a9155711ecfaf7f99f277bad0c6ae7e39d4eef676573336a5c51eb6f946b30d
++PUB = 7d4d0e7f6153a69b6242b522abbee685fda4420f8834b108c3bdae369ef549fa
++Result = P
++
++# Same as above, but with the order L added to S so it is out of range.
++# BoringSSL commit 472ba2c2dd52d06a657a63b7fbf02732a6649d21
++MESSAGE = 54657374
++SIG = 7c38e026f29e14aabd059a0f2db8b0cd783040609a8be684db12f82a27774ab067654bce3832c2d76f8f6f5dafc08d9339d4eef676573336a5c51eb6f946b31d
++PUB = 7d4d0e7f6153a69b6242b522abbee685fda4420f8834b108c3bdae369ef549fa
++Result = F
++
++
++# BoringSSL commit 3094902fcdc2db2cc832fa854b9a6a8be383926c
++MESSAGE = 124e583f8b8eca58bb29c271b41d36986bbc45541f8e51f9cb0133eca447601e
++SIG = dac119d6ca87fc59ae611c157048f4d4fc932a149dbe20ec6effd1436abf83ea05c7df0fef06147241259113909bc71bd3c53ba4464ffcad3c0968f2ffffff0f
++PUB = 100fdf47fb94f1536a4f7c3fda27383fa03375a8f527c537e6f1703c47f94f86
++Result = P
++
++# Control. Same key as above; same message and signature as below, except S is in range.
++PUB = 100fdf47fb94f1536a4f7c3fda27383fa03375a8f527c537e6f1703c47f94f86
++MESSAGE = 6a0bc2b0057cedfc0fa2e3f7f7d39279b30f454a69dfd1117c758d86b19d85e0
++SIG = 0971f86d2c9c78582524a103cb9cf949522ae528f8054dc20107d999be673ff4f58ac9d20ec563133cabc6230b1db8625f8446639ede46ad4df4053000000000
++Result = P
++
++# Same key as above, but S is out of range.
++# BoringSSL commit 472ba2c2dd52d06a657a63b7fbf02732a6649d21
++PUB = 100fdf47fb94f1536a4f7c3fda27383fa03375a8f527c537e6f1703c47f94f86
++MESSAGE = 6a0bc2b0057cedfc0fa2e3f7f7d39279b30f454a69dfd1117c758d86b19d85e0
++SIG = 0971f86d2c9c78582524a103cb9cf949522ae528f8054dc20107d999be673ff4e25ebf2f2928766b1248bec6e91697775f8446639ede46ad4df4053000000010
++Result = F
+-- 
+Efraim Flashner   <efraim@flashner.co.il>   רנשלפ םירפא
+GPG key = A28B F40C 3E55 1372 662D  14F7 41AA E7DC CA3D 8351
+Confidentiality cannot be guaranteed on emails sent or received unencrypted
+