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-rw-r--r--crypto/rmd256.c37
1 files changed, 9 insertions, 28 deletions
diff --git a/crypto/rmd256.c b/crypto/rmd256.c
index 060ee81cb8ad..88f2203751ae 100644
--- a/crypto/rmd256.c
+++ b/crypto/rmd256.c
@@ -44,7 +44,7 @@ struct rmd256_ctx {
44#define F4(x, y, z) (y ^ (z & (x ^ y))) /* z ? x : y */ 44#define F4(x, y, z) (y ^ (z & (x ^ y))) /* z ? x : y */
45 45
46#define ROUND(a, b, c, d, f, k, x, s) { \ 46#define ROUND(a, b, c, d, f, k, x, s) { \
47 (a) += f((b), (c), (d)) + (x) + (k); \ 47 (a) += f((b), (c), (d)) + le32_to_cpu(x) + (k); \
48 (a) = rol32((a), (s)); \ 48 (a) = rol32((a), (s)); \
49} 49}
50 50
@@ -233,28 +233,6 @@ static void rmd256_transform(u32 *state, u32 const *in)
233 return; 233 return;
234} 234}
235 235
236static inline void le32_to_cpu_array(u32 *buf, unsigned int words)
237{
238 while (words--) {
239 le32_to_cpus(buf);
240 buf++;
241 }
242}
243
244static inline void cpu_to_le32_array(u32 *buf, unsigned int words)
245{
246 while (words--) {
247 cpu_to_le32s(buf);
248 buf++;
249 }
250}
251
252static inline void rmd256_transform_helper(struct rmd256_ctx *ctx)
253{
254 le32_to_cpu_array(ctx->buffer, sizeof(ctx->buffer) / sizeof(u32));
255 rmd256_transform(ctx->state, ctx->buffer);
256}
257
258static void rmd256_init(struct crypto_tfm *tfm) 236static void rmd256_init(struct crypto_tfm *tfm)
259{ 237{
260 struct rmd256_ctx *rctx = crypto_tfm_ctx(tfm); 238 struct rmd256_ctx *rctx = crypto_tfm_ctx(tfm);
@@ -291,13 +269,13 @@ static void rmd256_update(struct crypto_tfm *tfm, const u8 *data,
291 memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail), 269 memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail),
292 data, avail); 270 data, avail);
293 271
294 rmd256_transform_helper(rctx); 272 rmd256_transform(rctx->state, rctx->buffer);
295 data += avail; 273 data += avail;
296 len -= avail; 274 len -= avail;
297 275
298 while (len >= sizeof(rctx->buffer)) { 276 while (len >= sizeof(rctx->buffer)) {
299 memcpy(rctx->buffer, data, sizeof(rctx->buffer)); 277 memcpy(rctx->buffer, data, sizeof(rctx->buffer));
300 rmd256_transform_helper(rctx); 278 rmd256_transform(rctx->state, rctx->buffer);
301 data += sizeof(rctx->buffer); 279 data += sizeof(rctx->buffer);
302 len -= sizeof(rctx->buffer); 280 len -= sizeof(rctx->buffer);
303 } 281 }
@@ -309,10 +287,12 @@ static void rmd256_update(struct crypto_tfm *tfm, const u8 *data,
309static void rmd256_final(struct crypto_tfm *tfm, u8 *out) 287static void rmd256_final(struct crypto_tfm *tfm, u8 *out)
310{ 288{
311 struct rmd256_ctx *rctx = crypto_tfm_ctx(tfm); 289 struct rmd256_ctx *rctx = crypto_tfm_ctx(tfm);
312 u32 index, padlen; 290 u32 i, index, padlen;
313 u64 bits; 291 u64 bits;
292 u32 *dst = (u32 *)out;
314 static const u8 padding[64] = { 0x80, }; 293 static const u8 padding[64] = { 0x80, };
315 bits = rctx->byte_count << 3; 294
295 bits = cpu_to_le64(rctx->byte_count << 3);
316 296
317 /* Pad out to 56 mod 64 */ 297 /* Pad out to 56 mod 64 */
318 index = rctx->byte_count & 0x3f; 298 index = rctx->byte_count & 0x3f;
@@ -323,7 +303,8 @@ static void rmd256_final(struct crypto_tfm *tfm, u8 *out)
323 rmd256_update(tfm, (const u8 *)&bits, sizeof(bits)); 303 rmd256_update(tfm, (const u8 *)&bits, sizeof(bits));
324 304
325 /* Store state in digest */ 305 /* Store state in digest */
326 memcpy(out, rctx->state, sizeof(rctx->state)); 306 for (i = 0; i < 8; i++)
307 dst[i] = cpu_to_le32(rctx->state[i]);
327 308
328 /* Wipe context */ 309 /* Wipe context */
329 memset(rctx, 0, sizeof(*rctx)); 310 memset(rctx, 0, sizeof(*rctx));