linux-kernel - [RFC v3 06/27] rust: add bindings for hash.h

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20260211032935.2705841-7-alistair.francis@wdc.com>
Date: Wed, 11 Feb 2026 13:29:13 +1000
From: alistair23@...il.com
To: bhelgaas@...gle.com,
	lukas@...ner.de,
	rust-for-linux@...r.kernel.org,
	akpm@...ux-foundation.org,
	linux-pci@...r.kernel.org,
	Jonathan.Cameron@...wei.com,
	linux-cxl@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: alex.gaynor@...il.com,
	benno.lossin@...ton.me,
	boqun.feng@...il.com,
	a.hindborg@...nel.org,
	gary@...yguo.net,
	bjorn3_gh@...tonmail.com,
	tmgross@...ch.edu,
	alistair23@...il.com,
	ojeda@...nel.org,
	wilfred.mallawa@....com,
	aliceryhl@...gle.com,
	Alistair Francis <alistair.francis@....com>
Subject: [RFC v3 06/27] rust: add bindings for hash.h

From: Alistair Francis <alistair.francis@....com>

Make the functions crypto_shash_descsize(), crypto_shash_digestsize()
and crypto_free_shash() available to Rust.

Signed-off-by: Alistair Francis <alistair.francis@....com>
---
 rust/bindings/bindings_helper.h |  2 ++
 rust/helpers/hash.c             | 18 ++++++++++++++++++
 rust/helpers/helpers.c          |  1 +
 3 files changed, 21 insertions(+)
 create mode 100644 rust/helpers/hash.c

diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helper.h
index a067038b4b42..0075c4b62c29 100644
--- a/rust/bindings/bindings_helper.h
+++ b/rust/bindings/bindings_helper.h
@@ -34,6 +34,7 @@
 #include <drm/drm_file.h>
 #include <drm/drm_gem.h>
 #include <drm/drm_ioctl.h>
+#include <crypto/hash.h>
 #include <kunit/test.h>
 #include <linux/auxiliary_bus.h>
 #include <linux/bitmap.h>
@@ -60,6 +61,7 @@
 #include <linux/fs.h>
 #include <linux/i2c.h>
 #include <linux/ioport.h>
+#include <linux/hash.h>
 #include <linux/jiffies.h>
 #include <linux/jump_label.h>
 #include <linux/mdio.h>
diff --git a/rust/helpers/hash.c b/rust/helpers/hash.c
new file mode 100644
index 000000000000..8ddb84668841
--- /dev/null
+++ b/rust/helpers/hash.c
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <crypto/hash.h>
+
+unsigned int rust_helper_crypto_shash_descsize(struct crypto_shash *tfm)
+{
+	return crypto_shash_descsize(tfm);
+}
+
+unsigned int rust_helper_crypto_shash_digestsize(struct crypto_shash *tfm)
+{
+	return crypto_shash_digestsize(tfm);
+}
+
+void rust_helper_crypto_free_shash(struct crypto_shash *tfm)
+{
+	crypto_free_shash(tfm);
+}
diff --git a/rust/helpers/helpers.c b/rust/helpers/helpers.c
index a3c42e51f00a..4b08b4f1d3a3 100644
--- a/rust/helpers/helpers.c
+++ b/rust/helpers/helpers.c
@@ -30,6 +30,7 @@
 #include "dma.c"
 #include "drm.c"
 #include "err.c"
+#include "hash.c"
 #include "irq.c"
 #include "fs.c"
 #include "io.c"
-- 
2.52.0