1 files changed, 19 insertions, 0 deletions

diff --git a/libbb/hash_sha256_block.c b/libbb/hash_sha256_block.c
new file mode 100644
index 000000000..3c4366321
--- /dev/null
+++ b/libbb/hash_sha256_block.c
@@ -0,0 +1,19 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) 2025 Denys Vlasenko
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+ */
+//kbuild:lib-y += hash_sha256_block.o
+#include "libbb.h"
+
+void FAST_FUNC
+sha256_block(const void *in, size_t len, uint8_t hash[32])
+{
+        sha256_ctx_t ctx;
+        sha256_begin(&ctx);
+        sha256_hash(&ctx, in, len);
+        sha256_end(&ctx, hash);
+}