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authorKees Cook <kees+treewide@kernel.org>2026-09-02 15:31:14 -0700
committerKees Cook <kees@kernel.org>2026-09-04 21:37:00 -0700
commit3a2c4d55e32ad65efebdb6de44eef3bfa08bb49d (patch)
treec65086f9bdcd48c6360fb7cb4598bca084da1f32 /crypto/rmd160.c
downloadlinux-stable-3a2c4d55e32ad65efebdb6de44eef3bfa08bb49d.tar.gz
linux-stable-3a2c4d55e32ad65efebdb6de44eef3bfa08bb49d.zip
treewide: refresh kmalloc_obj() conversionsgrafted
This is another run of the Coccinelle script for converting kmalloc() family of allocations to kmalloc_obj() via the existing rules in scripts/coccinelle/api/kmalloc_objs.cocci This catches both the set of kmalloc() uses added since the first kmalloc_obj() conversions in v7.0 and adds a large group missed in the first pass due to Coccinelle not interacting well with the cleanup.h scoped_...() family of macros[1]. I worked around this with spatch's "--macro-file" argument to a file with all the scoped_...() macros mapped to Coccinelle's YACFE_ITERATOR[2] as that was the closest viable control flow indicator I could find. Build tested allmodconfig on x86, arm64, arm, loongarch, mips, powerpc, riscv, and s390 with no new warnings. Link: https://lore.kernel.org/lkml/202609021314.8A9C0B8@keescook/ [1] Link: https://github.com/coccinelle/coccinelle/blob/master/standard.h [2] Signed-off-by: Kees Cook <kees+treewide@kernel.org>
Diffstat (limited to 'crypto/rmd160.c')
-rw-r--r--crypto/rmd160.c351
1 files changed, 351 insertions, 0 deletions
diff --git a/crypto/rmd160.c b/crypto/rmd160.c
new file mode 100644
index 000000000..9860b60c9
--- /dev/null
+++ b/crypto/rmd160.c
@@ -0,0 +1,351 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Cryptographic API.
+ *
+ * RIPEMD-160 - RACE Integrity Primitives Evaluation Message Digest.
+ *
+ * Based on the reference implementation by Antoon Bosselaers, ESAT-COSIC
+ *
+ * Copyright (c) 2008 Adrian-Ken Rueegsegger <ken@codelabs.ch>
+ */
+#include <crypto/internal/hash.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include "ripemd.h"
+
+struct rmd160_ctx {
+ u64 byte_count;
+ u32 state[5];
+};
+
+#define K1 RMD_K1
+#define K2 RMD_K2
+#define K3 RMD_K3
+#define K4 RMD_K4
+#define K5 RMD_K5
+#define KK1 RMD_K6
+#define KK2 RMD_K7
+#define KK3 RMD_K8
+#define KK4 RMD_K9
+#define KK5 RMD_K1
+
+#define F1(x, y, z) (x ^ y ^ z) /* XOR */
+#define F2(x, y, z) (z ^ (x & (y ^ z))) /* x ? y : z */
+#define F3(x, y, z) ((x | ~y) ^ z)
+#define F4(x, y, z) (y ^ (z & (x ^ y))) /* z ? x : y */
+#define F5(x, y, z) (x ^ (y | ~z))
+
+#define ROUND(a, b, c, d, e, f, k, x, s) { \
+ (a) += f((b), (c), (d)) + le32_to_cpup(&(x)) + (k); \
+ (a) = rol32((a), (s)) + (e); \
+ (c) = rol32((c), 10); \
+}
+
+static void rmd160_transform(u32 *state, const __le32 *in)
+{
+ u32 aa, bb, cc, dd, ee, aaa, bbb, ccc, ddd, eee;
+
+ /* Initialize left lane */
+ aa = state[0];
+ bb = state[1];
+ cc = state[2];
+ dd = state[3];
+ ee = state[4];
+
+ /* Initialize right lane */
+ aaa = state[0];
+ bbb = state[1];
+ ccc = state[2];
+ ddd = state[3];
+ eee = state[4];
+
+ /* round 1: left lane */
+ ROUND(aa, bb, cc, dd, ee, F1, K1, in[0], 11);
+ ROUND(ee, aa, bb, cc, dd, F1, K1, in[1], 14);
+ ROUND(dd, ee, aa, bb, cc, F1, K1, in[2], 15);
+ ROUND(cc, dd, ee, aa, bb, F1, K1, in[3], 12);
+ ROUND(bb, cc, dd, ee, aa, F1, K1, in[4], 5);
+ ROUND(aa, bb, cc, dd, ee, F1, K1, in[5], 8);
+ ROUND(ee, aa, bb, cc, dd, F1, K1, in[6], 7);
+ ROUND(dd, ee, aa, bb, cc, F1, K1, in[7], 9);
+ ROUND(cc, dd, ee, aa, bb, F1, K1, in[8], 11);
+ ROUND(bb, cc, dd, ee, aa, F1, K1, in[9], 13);
+ ROUND(aa, bb, cc, dd, ee, F1, K1, in[10], 14);
+ ROUND(ee, aa, bb, cc, dd, F1, K1, in[11], 15);
+ ROUND(dd, ee, aa, bb, cc, F1, K1, in[12], 6);
+ ROUND(cc, dd, ee, aa, bb, F1, K1, in[13], 7);
+ ROUND(bb, cc, dd, ee, aa, F1, K1, in[14], 9);
+ ROUND(aa, bb, cc, dd, ee, F1, K1, in[15], 8);
+
+ /* round 2: left lane" */
+ ROUND(ee, aa, bb, cc, dd, F2, K2, in[7], 7);
+ ROUND(dd, ee, aa, bb, cc, F2, K2, in[4], 6);
+ ROUND(cc, dd, ee, aa, bb, F2, K2, in[13], 8);
+ ROUND(bb, cc, dd, ee, aa, F2, K2, in[1], 13);
+ ROUND(aa, bb, cc, dd, ee, F2, K2, in[10], 11);
+ ROUND(ee, aa, bb, cc, dd, F2, K2, in[6], 9);
+ ROUND(dd, ee, aa, bb, cc, F2, K2, in[15], 7);
+ ROUND(cc, dd, ee, aa, bb, F2, K2, in[3], 15);
+ ROUND(bb, cc, dd, ee, aa, F2, K2, in[12], 7);
+ ROUND(aa, bb, cc, dd, ee, F2, K2, in[0], 12);
+ ROUND(ee, aa, bb, cc, dd, F2, K2, in[9], 15);
+ ROUND(dd, ee, aa, bb, cc, F2, K2, in[5], 9);
+ ROUND(cc, dd, ee, aa, bb, F2, K2, in[2], 11);
+ ROUND(bb, cc, dd, ee, aa, F2, K2, in[14], 7);
+ ROUND(aa, bb, cc, dd, ee, F2, K2, in[11], 13);
+ ROUND(ee, aa, bb, cc, dd, F2, K2, in[8], 12);
+
+ /* round 3: left lane" */
+ ROUND(dd, ee, aa, bb, cc, F3, K3, in[3], 11);
+ ROUND(cc, dd, ee, aa, bb, F3, K3, in[10], 13);
+ ROUND(bb, cc, dd, ee, aa, F3, K3, in[14], 6);
+ ROUND(aa, bb, cc, dd, ee, F3, K3, in[4], 7);
+ ROUND(ee, aa, bb, cc, dd, F3, K3, in[9], 14);
+ ROUND(dd, ee, aa, bb, cc, F3, K3, in[15], 9);
+ ROUND(cc, dd, ee, aa, bb, F3, K3, in[8], 13);
+ ROUND(bb, cc, dd, ee, aa, F3, K3, in[1], 15);
+ ROUND(aa, bb, cc, dd, ee, F3, K3, in[2], 14);
+ ROUND(ee, aa, bb, cc, dd, F3, K3, in[7], 8);
+ ROUND(dd, ee, aa, bb, cc, F3, K3, in[0], 13);
+ ROUND(cc, dd, ee, aa, bb, F3, K3, in[6], 6);
+ ROUND(bb, cc, dd, ee, aa, F3, K3, in[13], 5);
+ ROUND(aa, bb, cc, dd, ee, F3, K3, in[11], 12);
+ ROUND(ee, aa, bb, cc, dd, F3, K3, in[5], 7);
+ ROUND(dd, ee, aa, bb, cc, F3, K3, in[12], 5);
+
+ /* round 4: left lane" */
+ ROUND(cc, dd, ee, aa, bb, F4, K4, in[1], 11);
+ ROUND(bb, cc, dd, ee, aa, F4, K4, in[9], 12);
+ ROUND(aa, bb, cc, dd, ee, F4, K4, in[11], 14);
+ ROUND(ee, aa, bb, cc, dd, F4, K4, in[10], 15);
+ ROUND(dd, ee, aa, bb, cc, F4, K4, in[0], 14);
+ ROUND(cc, dd, ee, aa, bb, F4, K4, in[8], 15);
+ ROUND(bb, cc, dd, ee, aa, F4, K4, in[12], 9);
+ ROUND(aa, bb, cc, dd, ee, F4, K4, in[4], 8);
+ ROUND(ee, aa, bb, cc, dd, F4, K4, in[13], 9);
+ ROUND(dd, ee, aa, bb, cc, F4, K4, in[3], 14);
+ ROUND(cc, dd, ee, aa, bb, F4, K4, in[7], 5);
+ ROUND(bb, cc, dd, ee, aa, F4, K4, in[15], 6);
+ ROUND(aa, bb, cc, dd, ee, F4, K4, in[14], 8);
+ ROUND(ee, aa, bb, cc, dd, F4, K4, in[5], 6);
+ ROUND(dd, ee, aa, bb, cc, F4, K4, in[6], 5);
+ ROUND(cc, dd, ee, aa, bb, F4, K4, in[2], 12);
+
+ /* round 5: left lane" */
+ ROUND(bb, cc, dd, ee, aa, F5, K5, in[4], 9);
+ ROUND(aa, bb, cc, dd, ee, F5, K5, in[0], 15);
+ ROUND(ee, aa, bb, cc, dd, F5, K5, in[5], 5);
+ ROUND(dd, ee, aa, bb, cc, F5, K5, in[9], 11);
+ ROUND(cc, dd, ee, aa, bb, F5, K5, in[7], 6);
+ ROUND(bb, cc, dd, ee, aa, F5, K5, in[12], 8);
+ ROUND(aa, bb, cc, dd, ee, F5, K5, in[2], 13);
+ ROUND(ee, aa, bb, cc, dd, F5, K5, in[10], 12);
+ ROUND(dd, ee, aa, bb, cc, F5, K5, in[14], 5);
+ ROUND(cc, dd, ee, aa, bb, F5, K5, in[1], 12);
+ ROUND(bb, cc, dd, ee, aa, F5, K5, in[3], 13);
+ ROUND(aa, bb, cc, dd, ee, F5, K5, in[8], 14);
+ ROUND(ee, aa, bb, cc, dd, F5, K5, in[11], 11);
+ ROUND(dd, ee, aa, bb, cc, F5, K5, in[6], 8);
+ ROUND(cc, dd, ee, aa, bb, F5, K5, in[15], 5);
+ ROUND(bb, cc, dd, ee, aa, F5, K5, in[13], 6);
+
+ /* round 1: right lane */
+ ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[5], 8);
+ ROUND(eee, aaa, bbb, ccc, ddd, F5, KK1, in[14], 9);
+ ROUND(ddd, eee, aaa, bbb, ccc, F5, KK1, in[7], 9);
+ ROUND(ccc, ddd, eee, aaa, bbb, F5, KK1, in[0], 11);
+ ROUND(bbb, ccc, ddd, eee, aaa, F5, KK1, in[9], 13);
+ ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[2], 15);
+ ROUND(eee, aaa, bbb, ccc, ddd, F5, KK1, in[11], 15);
+ ROUND(ddd, eee, aaa, bbb, ccc, F5, KK1, in[4], 5);
+ ROUND(ccc, ddd, eee, aaa, bbb, F5, KK1, in[13], 7);
+ ROUND(bbb, ccc, ddd, eee, aaa, F5, KK1, in[6], 7);
+ ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[15], 8);
+ ROUND(eee, aaa, bbb, ccc, ddd, F5, KK1, in[8], 11);
+ ROUND(ddd, eee, aaa, bbb, ccc, F5, KK1, in[1], 14);
+ ROUND(ccc, ddd, eee, aaa, bbb, F5, KK1, in[10], 14);
+ ROUND(bbb, ccc, ddd, eee, aaa, F5, KK1, in[3], 12);
+ ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[12], 6);
+
+ /* round 2: right lane */
+ ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[6], 9);
+ ROUND(ddd, eee, aaa, bbb, ccc, F4, KK2, in[11], 13);
+ ROUND(ccc, ddd, eee, aaa, bbb, F4, KK2, in[3], 15);
+ ROUND(bbb, ccc, ddd, eee, aaa, F4, KK2, in[7], 7);
+ ROUND(aaa, bbb, ccc, ddd, eee, F4, KK2, in[0], 12);
+ ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[13], 8);
+ ROUND(ddd, eee, aaa, bbb, ccc, F4, KK2, in[5], 9);
+ ROUND(ccc, ddd, eee, aaa, bbb, F4, KK2, in[10], 11);
+ ROUND(bbb, ccc, ddd, eee, aaa, F4, KK2, in[14], 7);
+ ROUND(aaa, bbb, ccc, ddd, eee, F4, KK2, in[15], 7);
+ ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[8], 12);
+ ROUND(ddd, eee, aaa, bbb, ccc, F4, KK2, in[12], 7);
+ ROUND(ccc, ddd, eee, aaa, bbb, F4, KK2, in[4], 6);
+ ROUND(bbb, ccc, ddd, eee, aaa, F4, KK2, in[9], 15);
+ ROUND(aaa, bbb, ccc, ddd, eee, F4, KK2, in[1], 13);
+ ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[2], 11);
+
+ /* round 3: right lane */
+ ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[15], 9);
+ ROUND(ccc, ddd, eee, aaa, bbb, F3, KK3, in[5], 7);
+ ROUND(bbb, ccc, ddd, eee, aaa, F3, KK3, in[1], 15);
+ ROUND(aaa, bbb, ccc, ddd, eee, F3, KK3, in[3], 11);
+ ROUND(eee, aaa, bbb, ccc, ddd, F3, KK3, in[7], 8);
+ ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[14], 6);
+ ROUND(ccc, ddd, eee, aaa, bbb, F3, KK3, in[6], 6);
+ ROUND(bbb, ccc, ddd, eee, aaa, F3, KK3, in[9], 14);
+ ROUND(aaa, bbb, ccc, ddd, eee, F3, KK3, in[11], 12);
+ ROUND(eee, aaa, bbb, ccc, ddd, F3, KK3, in[8], 13);
+ ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[12], 5);
+ ROUND(ccc, ddd, eee, aaa, bbb, F3, KK3, in[2], 14);
+ ROUND(bbb, ccc, ddd, eee, aaa, F3, KK3, in[10], 13);
+ ROUND(aaa, bbb, ccc, ddd, eee, F3, KK3, in[0], 13);
+ ROUND(eee, aaa, bbb, ccc, ddd, F3, KK3, in[4], 7);
+ ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[13], 5);
+
+ /* round 4: right lane */
+ ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[8], 15);
+ ROUND(bbb, ccc, ddd, eee, aaa, F2, KK4, in[6], 5);
+ ROUND(aaa, bbb, ccc, ddd, eee, F2, KK4, in[4], 8);
+ ROUND(eee, aaa, bbb, ccc, ddd, F2, KK4, in[1], 11);
+ ROUND(ddd, eee, aaa, bbb, ccc, F2, KK4, in[3], 14);
+ ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[11], 14);
+ ROUND(bbb, ccc, ddd, eee, aaa, F2, KK4, in[15], 6);
+ ROUND(aaa, bbb, ccc, ddd, eee, F2, KK4, in[0], 14);
+ ROUND(eee, aaa, bbb, ccc, ddd, F2, KK4, in[5], 6);
+ ROUND(ddd, eee, aaa, bbb, ccc, F2, KK4, in[12], 9);
+ ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[2], 12);
+ ROUND(bbb, ccc, ddd, eee, aaa, F2, KK4, in[13], 9);
+ ROUND(aaa, bbb, ccc, ddd, eee, F2, KK4, in[9], 12);
+ ROUND(eee, aaa, bbb, ccc, ddd, F2, KK4, in[7], 5);
+ ROUND(ddd, eee, aaa, bbb, ccc, F2, KK4, in[10], 15);
+ ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[14], 8);
+
+ /* round 5: right lane */
+ ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[12], 8);
+ ROUND(aaa, bbb, ccc, ddd, eee, F1, KK5, in[15], 5);
+ ROUND(eee, aaa, bbb, ccc, ddd, F1, KK5, in[10], 12);
+ ROUND(ddd, eee, aaa, bbb, ccc, F1, KK5, in[4], 9);
+ ROUND(ccc, ddd, eee, aaa, bbb, F1, KK5, in[1], 12);
+ ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[5], 5);
+ ROUND(aaa, bbb, ccc, ddd, eee, F1, KK5, in[8], 14);
+ ROUND(eee, aaa, bbb, ccc, ddd, F1, KK5, in[7], 6);
+ ROUND(ddd, eee, aaa, bbb, ccc, F1, KK5, in[6], 8);
+ ROUND(ccc, ddd, eee, aaa, bbb, F1, KK5, in[2], 13);
+ ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[13], 6);
+ ROUND(aaa, bbb, ccc, ddd, eee, F1, KK5, in[14], 5);
+ ROUND(eee, aaa, bbb, ccc, ddd, F1, KK5, in[0], 15);
+ ROUND(ddd, eee, aaa, bbb, ccc, F1, KK5, in[3], 13);
+ ROUND(ccc, ddd, eee, aaa, bbb, F1, KK5, in[9], 11);
+ ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[11], 11);
+
+ /* combine results */
+ ddd += cc + state[1]; /* final result for state[0] */
+ state[1] = state[2] + dd + eee;
+ state[2] = state[3] + ee + aaa;
+ state[3] = state[4] + aa + bbb;
+ state[4] = state[0] + bb + ccc;
+ state[0] = ddd;
+}
+
+static int rmd160_init(struct shash_desc *desc)
+{
+ struct rmd160_ctx *rctx = shash_desc_ctx(desc);
+
+ rctx->byte_count = 0;
+
+ rctx->state[0] = RMD_H0;
+ rctx->state[1] = RMD_H1;
+ rctx->state[2] = RMD_H2;
+ rctx->state[3] = RMD_H3;
+ rctx->state[4] = RMD_H4;
+
+ return 0;
+}
+
+static int rmd160_update(struct shash_desc *desc, const u8 *data,
+ unsigned int len)
+{
+ int remain = len - round_down(len, RMD160_BLOCK_SIZE);
+ struct rmd160_ctx *rctx = shash_desc_ctx(desc);
+ __le32 buffer[RMD160_BLOCK_SIZE / 4];
+
+ rctx->byte_count += len - remain;
+
+ do {
+ memcpy(buffer, data, sizeof(buffer));
+ rmd160_transform(rctx->state, buffer);
+ data += sizeof(buffer);
+ len -= sizeof(buffer);
+ } while (len >= sizeof(buffer));
+
+ memzero_explicit(buffer, sizeof(buffer));
+ return remain;
+}
+
+/* Add padding and return the message digest. */
+static int rmd160_finup(struct shash_desc *desc, const u8 *src,
+ unsigned int len, u8 *out)
+{
+ unsigned int bit_offset = RMD160_BLOCK_SIZE / 8 - 1;
+ struct rmd160_ctx *rctx = shash_desc_ctx(desc);
+ union {
+ __le64 l64[RMD160_BLOCK_SIZE / 4];
+ __le32 l32[RMD160_BLOCK_SIZE / 2];
+ u8 u8[RMD160_BLOCK_SIZE * 2];
+ } block = {};
+ __le32 *dst = (__le32 *)out;
+ u32 i;
+
+ rctx->byte_count += len;
+ if (len >= bit_offset * 8)
+ bit_offset += RMD160_BLOCK_SIZE / 8;
+ memcpy(&block, src, len);
+ block.u8[len] = 0x80;
+ block.l64[bit_offset] = cpu_to_le64(rctx->byte_count << 3);
+
+ rmd160_transform(rctx->state, block.l32);
+ if (bit_offset > RMD160_BLOCK_SIZE / 8)
+ rmd160_transform(rctx->state,
+ block.l32 + RMD160_BLOCK_SIZE / 4);
+ memzero_explicit(&block, sizeof(block));
+
+ /* Store state in digest */
+ for (i = 0; i < 5; i++)
+ dst[i] = cpu_to_le32p(&rctx->state[i]);
+ return 0;
+}
+
+static struct shash_alg alg = {
+ .digestsize = RMD160_DIGEST_SIZE,
+ .init = rmd160_init,
+ .update = rmd160_update,
+ .finup = rmd160_finup,
+ .descsize = sizeof(struct rmd160_ctx),
+ .base = {
+ .cra_name = "rmd160",
+ .cra_driver_name = "rmd160-generic",
+ .cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY,
+ .cra_blocksize = RMD160_BLOCK_SIZE,
+ .cra_module = THIS_MODULE,
+ }
+};
+
+static int __init rmd160_mod_init(void)
+{
+ return crypto_register_shash(&alg);
+}
+
+static void __exit rmd160_mod_fini(void)
+{
+ crypto_unregister_shash(&alg);
+}
+
+module_init(rmd160_mod_init);
+module_exit(rmd160_mod_fini);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Adrian-Ken Rueegsegger <ken@codelabs.ch>");
+MODULE_DESCRIPTION("RIPEMD-160 Message Digest");
+MODULE_ALIAS_CRYPTO("rmd160");