int extra_bytes; /* unprocessed bytes in buffer */
enum hash_op op;
int count_add;
- struct scatterlist dummysg;
};
static void compute_aes_dec_key(struct mv_ctx *ctx)
{
int ret;
void *sbuf;
- int copied = 0;
+ int copy_len;
- while (1) {
+ while (len) {
if (!p->sg_src_left) {
ret = sg_miter_next(&p->src_sg_it);
BUG_ON(!ret);
sbuf = p->src_sg_it.addr + p->src_start;
- if (p->sg_src_left <= len - copied) {
- memcpy(dbuf + copied, sbuf, p->sg_src_left);
- copied += p->sg_src_left;
- p->sg_src_left = 0;
- if (copied >= len)
- break;
- } else {
- int copy_len = len - copied;
- memcpy(dbuf + copied, sbuf, copy_len);
- p->src_start += copy_len;
- p->sg_src_left -= copy_len;
- break;
- }
+ copy_len = min(p->sg_src_left, len);
+ memcpy(dbuf, sbuf, copy_len);
+
+ p->src_start += copy_len;
+ p->sg_src_left -= copy_len;
+
+ len -= copy_len;
+ dbuf += copy_len;
}
}
memcpy(cpg->sram + SRAM_CONFIG, &op,
sizeof(struct sec_accel_config));
- writel(SRAM_CONFIG, cpg->reg + SEC_ACCEL_DESC_P0);
/* GO */
writel(SEC_CMD_EN_SEC_ACCL0, cpg->reg + SEC_ACCEL_CMD);
static void mv_process_hash_current(int first_block)
{
struct ahash_request *req = ahash_request_cast(cpg->cur_req);
+ const struct mv_tfm_hash_ctx *tfm_ctx = crypto_tfm_ctx(req->base.tfm);
struct mv_req_hash_ctx *req_ctx = ahash_request_ctx(req);
struct req_progress *p = &cpg->p;
struct sec_accel_config op = { 0 };
break;
case COP_HMAC_SHA1:
op.config = CFG_OP_MAC_ONLY | CFG_MACM_HMAC_SHA1;
+ memcpy(cpg->sram + SRAM_HMAC_IV_IN,
+ tfm_ctx->ivs, sizeof(tfm_ctx->ivs));
break;
}
op.config |= CFG_LAST_FRAG;
else
op.config |= CFG_MID_FRAG;
+
+ writel(req_ctx->state[0], cpg->reg + DIGEST_INITIAL_VAL_A);
+ writel(req_ctx->state[1], cpg->reg + DIGEST_INITIAL_VAL_B);
+ writel(req_ctx->state[2], cpg->reg + DIGEST_INITIAL_VAL_C);
+ writel(req_ctx->state[3], cpg->reg + DIGEST_INITIAL_VAL_D);
+ writel(req_ctx->state[4], cpg->reg + DIGEST_INITIAL_VAL_E);
}
memcpy(cpg->sram + SRAM_CONFIG, &op, sizeof(struct sec_accel_config));
- writel(SRAM_CONFIG, cpg->reg + SEC_ACCEL_DESC_P0);
/* GO */
writel(SEC_CMD_EN_SEC_ACCL0, cpg->reg + SEC_ACCEL_CMD);
copy_src_to_buf(&cpg->p, ctx->buffer, ctx->extra_bytes);
sg_miter_stop(&cpg->p.src_sg_it);
- ctx->state[0] = readl(cpg->reg + DIGEST_INITIAL_VAL_A);
- ctx->state[1] = readl(cpg->reg + DIGEST_INITIAL_VAL_B);
- ctx->state[2] = readl(cpg->reg + DIGEST_INITIAL_VAL_C);
- ctx->state[3] = readl(cpg->reg + DIGEST_INITIAL_VAL_D);
- ctx->state[4] = readl(cpg->reg + DIGEST_INITIAL_VAL_E);
-
if (likely(ctx->last_chunk)) {
if (likely(ctx->count <= MAX_HW_HASH_SIZE)) {
memcpy(req->result, cpg->sram + SRAM_DIGEST_BUF,
(req)));
} else
mv_hash_final_fallback(req);
+ } else {
+ ctx->state[0] = readl(cpg->reg + DIGEST_INITIAL_VAL_A);
+ ctx->state[1] = readl(cpg->reg + DIGEST_INITIAL_VAL_B);
+ ctx->state[2] = readl(cpg->reg + DIGEST_INITIAL_VAL_C);
+ ctx->state[3] = readl(cpg->reg + DIGEST_INITIAL_VAL_D);
+ ctx->state[4] = readl(cpg->reg + DIGEST_INITIAL_VAL_E);
}
}
int i = 0;
size_t cur_len;
- while (1) {
+ while (sl) {
cur_len = sl[i].length;
++i;
if (total_bytes > cur_len)
{
struct req_progress *p = &cpg->p;
struct mv_req_hash_ctx *ctx = ahash_request_ctx(req);
- const struct mv_tfm_hash_ctx *tfm_ctx = crypto_tfm_ctx(req->base.tfm);
int num_sgs, hw_bytes, old_extra_bytes, rc;
cpg->cur_req = &req->base;
memset(p, 0, sizeof(struct req_progress));
hw_bytes = req->nbytes + ctx->extra_bytes;
old_extra_bytes = ctx->extra_bytes;
- if (unlikely(ctx->extra_bytes)) {
- memcpy(cpg->sram + SRAM_DATA_IN_START, ctx->buffer,
- ctx->extra_bytes);
- p->crypt_len = ctx->extra_bytes;
- }
-
- memcpy(cpg->sram + SRAM_HMAC_IV_IN, tfm_ctx->ivs, sizeof(tfm_ctx->ivs));
-
- if (unlikely(!ctx->first_hash)) {
- writel(ctx->state[0], cpg->reg + DIGEST_INITIAL_VAL_A);
- writel(ctx->state[1], cpg->reg + DIGEST_INITIAL_VAL_B);
- writel(ctx->state[2], cpg->reg + DIGEST_INITIAL_VAL_C);
- writel(ctx->state[3], cpg->reg + DIGEST_INITIAL_VAL_D);
- writel(ctx->state[4], cpg->reg + DIGEST_INITIAL_VAL_E);
- }
-
ctx->extra_bytes = hw_bytes % SHA1_BLOCK_SIZE;
if (ctx->extra_bytes != 0
&& (!ctx->last_chunk || ctx->count > MAX_HW_HASH_SIZE))
p->complete = mv_hash_algo_completion;
p->process = mv_process_hash_current;
+ if (unlikely(old_extra_bytes)) {
+ memcpy(cpg->sram + SRAM_DATA_IN_START, ctx->buffer,
+ old_extra_bytes);
+ p->crypt_len = old_extra_bytes;
+ }
+
mv_process_hash_current(1);
} else {
copy_src_to_buf(p, ctx->buffer + old_extra_bytes,
if (async_req->tfm->__crt_alg->cra_type !=
&crypto_ahash_type) {
struct ablkcipher_request *req =
- container_of(async_req,
- struct ablkcipher_request,
- base);
+ ablkcipher_request_cast(async_req);
mv_start_new_crypt_req(req);
} else {
struct ahash_request *req =
static int mv_hash_final(struct ahash_request *req)
{
struct mv_req_hash_ctx *ctx = ahash_request_ctx(req);
- /* dummy buffer of 4 bytes */
- sg_init_one(&ctx->dummysg, ctx->buffer, 4);
- /* I think I'm allowed to do that... */
- ahash_request_set_crypt(req, &ctx->dummysg, req->result, 0);
+
mv_update_hash_req_ctx(ctx, 1, 0);
return mv_handle_req(&req->base);
}
static int mv_hash_finup(struct ahash_request *req)
{
- if (!req->nbytes)
- return mv_hash_final(req);
-
mv_update_hash_req_ctx(ahash_request_ctx(req), 1, req->nbytes);
return mv_handle_req(&req->base);
}
writel(SEC_INT_ACCEL0_DONE, cpg->reg + SEC_ACCEL_INT_MASK);
writel(SEC_CFG_STOP_DIG_ERR, cpg->reg + SEC_ACCEL_CFG);
+ writel(SRAM_CONFIG, cpg->reg + SEC_ACCEL_DESC_P0);
ret = crypto_register_alg(&mv_aes_alg_ecb);
- if (ret)
+ if (ret) {
+ printk(KERN_WARNING MV_CESA
+ "Could not register aes-ecb driver\n");
goto err_irq;
+ }
ret = crypto_register_alg(&mv_aes_alg_cbc);
- if (ret)
+ if (ret) {
+ printk(KERN_WARNING MV_CESA
+ "Could not register aes-cbc driver\n");
goto err_unreg_ecb;
+ }
ret = crypto_register_ahash(&mv_sha1_alg);
if (ret == 0)
git.openpandora.org / pandora-kernel.git / blobdiff