summaryrefslogtreecommitdiff
path: root/internal/stupidgcm/gcm_test.go
diff options
context:
space:
mode:
authorJakob Unterwurzacher2021-09-04 11:41:56 +0200
committerJakob Unterwurzacher2021-09-07 18:14:05 +0200
commite2ec048a09889b2bf71e8bbfef9f0584ff7d69db (patch)
tree84bb1f8c709f8db3b2dd551c7c5343c0ffe44ed9 /internal/stupidgcm/gcm_test.go
parentbf572aef88963732849b8e5ae679e63c6be4aa46 (diff)
stupidgcm: introduce stupidAEADCommon and use for both chacha & gcm
Nice deduplication and brings the GCM decrypt speed up to par. internal/speed$ benchstat old new name old time/op new time/op delta StupidGCM-4 4.71µs ± 0% 4.66µs ± 0% -0.99% (p=0.008 n=5+5) StupidGCMDecrypt-4 5.77µs ± 1% 4.51µs ± 0% -21.80% (p=0.008 n=5+5) name old speed new speed delta StupidGCM-4 870MB/s ± 0% 879MB/s ± 0% +1.01% (p=0.008 n=5+5) StupidGCMDecrypt-4 710MB/s ± 1% 908MB/s ± 0% +27.87% (p=0.008 n=5+5)
Diffstat (limited to 'internal/stupidgcm/gcm_test.go')
-rw-r--r--internal/stupidgcm/gcm_test.go28
1 files changed, 28 insertions, 0 deletions
diff --git a/internal/stupidgcm/gcm_test.go b/internal/stupidgcm/gcm_test.go
new file mode 100644
index 0000000..5323afa
--- /dev/null
+++ b/internal/stupidgcm/gcm_test.go
@@ -0,0 +1,28 @@
+// +build !without_openssl
+
+// We compare against Go's built-in GCM implementation. Since stupidgcm only
+// supports 128-bit IVs and Go only supports that from 1.5 onward, we cannot
+// run these tests on older Go versions.
+package stupidgcm
+
+import (
+ "crypto/aes"
+ "crypto/cipher"
+ "testing"
+)
+
+func TestStupidGCM(t *testing.T) {
+ key := randBytes(32)
+ sGCM := New(key, false)
+
+ gAES, err := aes.NewCipher(key)
+ if err != nil {
+ t.Fatal(err)
+ }
+ gGCM, err := cipher.NewGCMWithNonceSize(gAES, 16)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ testCiphers(t, sGCM, gGCM)
+}