Fuzzing: Move over two fuzzers from cncf-fuzzing

Signed-off-by: AdamKorcz <adam@adalogics.com>
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

registry/auth/token/fuzz_test.go

@@ -0,0 +1,46 @@
+package token
+
+import (
+	"testing"
+
+	fuzz "github.com/AdaLogics/go-fuzz-headers"
+)
+
+func FuzzToken1(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		ff := fuzz.NewConsumer(data)
+		rawToken, err := ff.GetString()
+		if err != nil {
+			return
+		}
+		verifyOps := VerifyOptions{}
+		err = ff.GenerateStruct(&verifyOps)
+		if err != nil {
+			return
+		}
+		token, err := NewToken(rawToken)
+		if err != nil {
+			return
+		}
+		token.Verify(verifyOps)
+		_, _ = token.VerifySigningKey(verifyOps)
+	})
+}
+
+func FuzzToken2(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		ff := fuzz.NewConsumer(data)
+		verifyOps := VerifyOptions{}
+		err := ff.GenerateStruct(&verifyOps)
+		if err != nil {
+			return
+		}
+		token := &Token{}
+		err = ff.GenerateStruct(token)
+		if err != nil {
+			return
+		}
+		token.Verify(verifyOps)
+		_, _ = token.VerifySigningKey(verifyOps)
+	})
+}