diff --git a/src/random.h b/src/random.h
index c702309d0c3..330c10a36b8 100644
--- a/src/random.h
+++ b/src/random.h
@@ -301,6 +301,15 @@ public:
         return ret;
     }
 
+    /** Generate fixed-size random bytes. */
+    template <size_t N, BasicByte B = std::byte>
+    std::array<B, N> randbytes() noexcept
+    {
+        std::array<B, N> ret;
+        Impl().fillrand(MakeWritableByteSpan(ret));
+        return ret;
+    }
+
     /** Generate a random 32-bit integer. */
     uint32_t rand32() noexcept { return Impl().template randbits<32>(); }
 
diff --git a/src/test/random_tests.cpp b/src/test/random_tests.cpp
index 3d8b543e64f..538d41125af 100644
--- a/src/test/random_tests.cpp
+++ b/src/test/random_tests.cpp
@@ -58,7 +58,7 @@ BOOST_AUTO_TEST_CASE(fastrandom_tests_deterministic)
     BOOST_CHECK_EQUAL(ctx1.rand32(), ctx2.rand32());
     BOOST_CHECK_EQUAL(ctx1.rand64(), ctx2.rand64());
     BOOST_CHECK_EQUAL(ctx1.randbits(3), ctx2.randbits(3));
-    BOOST_CHECK(ctx1.randbytes(17) == ctx2.randbytes(17));
+    BOOST_CHECK(std::ranges::equal(ctx1.randbytes<std::byte>(17), ctx2.randbytes<17>())); // check vector/array behavior symmetry
     BOOST_CHECK(ctx1.rand256() == ctx2.rand256());
     BOOST_CHECK_EQUAL(ctx1.randbits(7), ctx2.randbits(7));
     BOOST_CHECK(ctx1.randbytes(128) == ctx2.randbytes(128));