diff options
Diffstat (limited to 'drivers/crypto/inside-secure/safexcel_hash.c')
-rw-r--r-- | drivers/crypto/inside-secure/safexcel_hash.c | 560 |
1 files changed, 483 insertions, 77 deletions
diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c index c77b0e1655a8..ac9282c1a5ec 100644 --- a/drivers/crypto/inside-secure/safexcel_hash.c +++ b/drivers/crypto/inside-secure/safexcel_hash.c @@ -1,14 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2017 Marvell * * Antoine Tenart <antoine.tenart@free-electrons.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <crypto/hmac.h> +#include <crypto/md5.h> #include <crypto/sha.h> #include <linux/device.h> #include <linux/dma-mapping.h> @@ -22,8 +20,8 @@ struct safexcel_ahash_ctx { u32 alg; - u32 ipad[SHA256_DIGEST_SIZE / sizeof(u32)]; - u32 opad[SHA256_DIGEST_SIZE / sizeof(u32)]; + u32 ipad[SHA512_DIGEST_SIZE / sizeof(u32)]; + u32 opad[SHA512_DIGEST_SIZE / sizeof(u32)]; }; struct safexcel_ahash_req { @@ -38,18 +36,26 @@ struct safexcel_ahash_req { u32 digest; u8 state_sz; /* expected sate size, only set once */ - u32 state[SHA256_DIGEST_SIZE / sizeof(u32)] __aligned(sizeof(u32)); + u32 state[SHA512_DIGEST_SIZE / sizeof(u32)] __aligned(sizeof(u32)); - u64 len; - u64 processed; + u64 len[2]; + u64 processed[2]; - u8 cache[SHA256_BLOCK_SIZE] __aligned(sizeof(u32)); + u8 cache[SHA512_BLOCK_SIZE] __aligned(sizeof(u32)); dma_addr_t cache_dma; unsigned int cache_sz; - u8 cache_next[SHA256_BLOCK_SIZE] __aligned(sizeof(u32)); + u8 cache_next[SHA512_BLOCK_SIZE] __aligned(sizeof(u32)); }; +static inline u64 safexcel_queued_len(struct safexcel_ahash_req *req) +{ + if (req->len[1] > req->processed[1]) + return 0xffffffff - (req->len[0] - req->processed[0]); + + return req->len[0] - req->processed[0]; +} + static void safexcel_hash_token(struct safexcel_command_desc *cdesc, u32 input_length, u32 result_length) { @@ -72,9 +78,9 @@ static void safexcel_hash_token(struct safexcel_command_desc *cdesc, static void safexcel_context_control(struct safexcel_ahash_ctx *ctx, struct safexcel_ahash_req *req, struct safexcel_command_desc *cdesc, - unsigned int digestsize, - unsigned int blocksize) + unsigned int digestsize) { + struct safexcel_crypto_priv *priv = ctx->priv; int i; cdesc->control_data.control0 |= CONTEXT_CONTROL_TYPE_HASH_OUT; @@ -82,12 +88,17 @@ static void safexcel_context_control(struct safexcel_ahash_ctx *ctx, cdesc->control_data.control0 |= req->digest; if (req->digest == CONTEXT_CONTROL_DIGEST_PRECOMPUTED) { - if (req->processed) { - if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA1) + if (req->processed[0] || req->processed[1]) { + if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_MD5) + cdesc->control_data.control0 |= CONTEXT_CONTROL_SIZE(5); + else if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA1) cdesc->control_data.control0 |= CONTEXT_CONTROL_SIZE(6); else if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA224 || ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA256) cdesc->control_data.control0 |= CONTEXT_CONTROL_SIZE(9); + else if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA384 || + ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA512) + cdesc->control_data.control0 |= CONTEXT_CONTROL_SIZE(17); cdesc->control_data.control1 |= CONTEXT_CONTROL_DIGEST_CNT; } else { @@ -102,12 +113,28 @@ static void safexcel_context_control(struct safexcel_ahash_ctx *ctx, * fields. Do this now as we need it to setup the first command * descriptor. */ - if (req->processed) { + if (req->processed[0] || req->processed[1]) { for (i = 0; i < digestsize / sizeof(u32); i++) ctx->base.ctxr->data[i] = cpu_to_le32(req->state[i]); - if (req->finish) - ctx->base.ctxr->data[i] = cpu_to_le32(req->processed / blocksize); + if (req->finish) { + u64 count = req->processed[0] / EIP197_COUNTER_BLOCK_SIZE; + count += ((0xffffffff / EIP197_COUNTER_BLOCK_SIZE) * + req->processed[1]); + + /* This is a haredware limitation, as the + * counter must fit into an u32. This represents + * a farily big amount of input data, so we + * shouldn't see this. + */ + if (unlikely(count & 0xffff0000)) { + dev_warn(priv->dev, + "Input data is too big\n"); + return; + } + + ctx->base.ctxr->data[i] = cpu_to_le32(count); + } } } else if (req->digest == CONTEXT_CONTROL_DIGEST_HMAC) { cdesc->control_data.control0 |= CONTEXT_CONTROL_SIZE(2 * req->state_sz / sizeof(u32)); @@ -126,11 +153,10 @@ static int safexcel_handle_req_result(struct safexcel_crypto_priv *priv, int rin struct ahash_request *areq = ahash_request_cast(async); struct crypto_ahash *ahash = crypto_ahash_reqtfm(areq); struct safexcel_ahash_req *sreq = ahash_request_ctx(areq); - int cache_len; + u64 cache_len; *ret = 0; - spin_lock_bh(&priv->ring[ring].egress_lock); rdesc = safexcel_ring_next_rptr(priv, &priv->ring[ring].rdr); if (IS_ERR(rdesc)) { dev_err(priv->dev, @@ -141,7 +167,6 @@ static int safexcel_handle_req_result(struct safexcel_crypto_priv *priv, int rin } safexcel_complete(priv, ring); - spin_unlock_bh(&priv->ring[ring].egress_lock); if (sreq->nents) { dma_unmap_sg(priv->dev, areq->src, sreq->nents, DMA_TO_DEVICE); @@ -164,7 +189,7 @@ static int safexcel_handle_req_result(struct safexcel_crypto_priv *priv, int rin memcpy(areq->result, sreq->state, crypto_ahash_digestsize(ahash)); - cache_len = sreq->len - sreq->processed; + cache_len = safexcel_queued_len(sreq); if (cache_len) memcpy(sreq->cache, sreq->cache_next, cache_len); @@ -174,7 +199,6 @@ static int safexcel_handle_req_result(struct safexcel_crypto_priv *priv, int rin } static int safexcel_ahash_send_req(struct crypto_async_request *async, int ring, - struct safexcel_request *request, int *commands, int *results) { struct ahash_request *areq = ahash_request_cast(async); @@ -185,9 +209,10 @@ static int safexcel_ahash_send_req(struct crypto_async_request *async, int ring, struct safexcel_command_desc *cdesc, *first_cdesc = NULL; struct safexcel_result_desc *rdesc; struct scatterlist *sg; - int i, queued, len, cache_len, extra, n_cdesc = 0, ret = 0; + int i, extra, n_cdesc = 0, ret = 0; + u64 queued, len, cache_len; - queued = len = req->len - req->processed; + queued = len = safexcel_queued_len(req); if (queued <= crypto_ahash_blocksize(ahash)) cache_len = queued; else @@ -220,16 +245,12 @@ static int safexcel_ahash_send_req(struct crypto_async_request *async, int ring, } } - spin_lock_bh(&priv->ring[ring].egress_lock); - /* Add a command descriptor for the cached data, if any */ if (cache_len) { req->cache_dma = dma_map_single(priv->dev, req->cache, cache_len, DMA_TO_DEVICE); - if (dma_mapping_error(priv->dev, req->cache_dma)) { - spin_unlock_bh(&priv->ring[ring].egress_lock); + if (dma_mapping_error(priv->dev, req->cache_dma)) return -EINVAL; - } req->cache_sz = cache_len; first_cdesc = safexcel_add_cdesc(priv, ring, 1, @@ -260,7 +281,7 @@ static int safexcel_ahash_send_req(struct crypto_async_request *async, int ring, int sglen = sg_dma_len(sg); /* Do not overflow the request */ - if (queued - sglen < 0) + if (queued < sglen) sglen = queued; cdesc = safexcel_add_cdesc(priv, ring, !n_cdesc, @@ -282,8 +303,7 @@ static int safexcel_ahash_send_req(struct crypto_async_request *async, int ring, send_command: /* Setup the context options */ - safexcel_context_control(ctx, req, first_cdesc, req->state_sz, - crypto_ahash_blocksize(ahash)); + safexcel_context_control(ctx, req, first_cdesc, req->state_sz); /* Add the token */ safexcel_hash_token(first_cdesc, len, req->state_sz); @@ -303,10 +323,11 @@ send_command: goto unmap_result; } - spin_unlock_bh(&priv->ring[ring].egress_lock); + safexcel_rdr_req_set(priv, ring, rdesc, &areq->base); - req->processed += len; - request->req = &areq->base; + req->processed[0] += len; + if (req->processed[0] < len) + req->processed[1]++; *commands = n_cdesc; *results = 1; @@ -327,7 +348,6 @@ unmap_cache: req->cache_sz = 0; } - spin_unlock_bh(&priv->ring[ring].egress_lock); return ret; } @@ -335,16 +355,18 @@ static inline bool safexcel_ahash_needs_inv_get(struct ahash_request *areq) { struct safexcel_ahash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(areq)); struct safexcel_ahash_req *req = ahash_request_ctx(areq); - struct crypto_ahash *ahash = crypto_ahash_reqtfm(areq); unsigned int state_w_sz = req->state_sz / sizeof(u32); + u64 processed; int i; + processed = req->processed[0] / EIP197_COUNTER_BLOCK_SIZE; + processed += (0xffffffff / EIP197_COUNTER_BLOCK_SIZE) * req->processed[1]; + for (i = 0; i < state_w_sz; i++) if (ctx->base.ctxr->data[i] != cpu_to_le32(req->state[i])) return true; - if (ctx->base.ctxr->data[state_w_sz] != - cpu_to_le32(req->processed / crypto_ahash_blocksize(ahash))) + if (ctx->base.ctxr->data[state_w_sz] != cpu_to_le32(processed)) return true; return false; @@ -363,21 +385,16 @@ static int safexcel_handle_inv_result(struct safexcel_crypto_priv *priv, *ret = 0; - spin_lock_bh(&priv->ring[ring].egress_lock); rdesc = safexcel_ring_next_rptr(priv, &priv->ring[ring].rdr); if (IS_ERR(rdesc)) { dev_err(priv->dev, "hash: invalidate: could not retrieve the result descriptor\n"); *ret = PTR_ERR(rdesc); - } else if (rdesc->result_data.error_code) { - dev_err(priv->dev, - "hash: invalidate: result descriptor error (%d)\n", - rdesc->result_data.error_code); - *ret = -EINVAL; + } else { + *ret = safexcel_rdesc_check_errors(priv, rdesc); } safexcel_complete(priv, ring); - spin_unlock_bh(&priv->ring[ring].egress_lock); if (ctx->base.exit_inv) { dma_pool_free(priv->context_pool, ctx->base.ctxr, @@ -413,7 +430,7 @@ static int safexcel_handle_result(struct safexcel_crypto_priv *priv, int ring, struct safexcel_ahash_req *req = ahash_request_ctx(areq); int err; - BUG_ON(priv->version == EIP97 && req->needs_inv); + BUG_ON(!(priv->flags & EIP197_TRC_CACHE) && req->needs_inv); if (req->needs_inv) { req->needs_inv = false; @@ -428,15 +445,14 @@ static int safexcel_handle_result(struct safexcel_crypto_priv *priv, int ring, } static int safexcel_ahash_send_inv(struct crypto_async_request *async, - int ring, struct safexcel_request *request, - int *commands, int *results) + int ring, int *commands, int *results) { struct ahash_request *areq = ahash_request_cast(async); struct safexcel_ahash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(areq)); int ret; ret = safexcel_invalidate_cache(async, ctx->priv, - ctx->base.ctxr_dma, ring, request); + ctx->base.ctxr_dma, ring); if (unlikely(ret)) return ret; @@ -447,19 +463,17 @@ static int safexcel_ahash_send_inv(struct crypto_async_request *async, } static int safexcel_ahash_send(struct crypto_async_request *async, - int ring, struct safexcel_request *request, - int *commands, int *results) + int ring, int *commands, int *results) { struct ahash_request *areq = ahash_request_cast(async); struct safexcel_ahash_req *req = ahash_request_ctx(areq); int ret; if (req->needs_inv) - ret = safexcel_ahash_send_inv(async, ring, request, - commands, results); + ret = safexcel_ahash_send_inv(async, ring, commands, results); else - ret = safexcel_ahash_send_req(async, ring, request, - commands, results); + ret = safexcel_ahash_send_req(async, ring, commands, results); + return ret; } @@ -509,17 +523,17 @@ static int safexcel_ahash_cache(struct ahash_request *areq) { struct safexcel_ahash_req *req = ahash_request_ctx(areq); struct crypto_ahash *ahash = crypto_ahash_reqtfm(areq); - int queued, cache_len; + u64 queued, cache_len; - /* cache_len: everyting accepted by the driver but not sent yet, - * tot sz handled by update() - last req sz - tot sz handled by send() - */ - cache_len = req->len - areq->nbytes - req->processed; /* queued: everything accepted by the driver which will be handled by * the next send() calls. * tot sz handled by update() - tot sz handled by send() */ - queued = req->len - req->processed; + queued = safexcel_queued_len(req); + /* cache_len: everything accepted by the driver but not sent yet, + * tot sz handled by update() - last req sz - tot sz handled by send() + */ + cache_len = queued - areq->nbytes; /* * In case there isn't enough bytes to proceed (less than a @@ -546,8 +560,8 @@ static int safexcel_ahash_enqueue(struct ahash_request *areq) req->needs_inv = false; if (ctx->base.ctxr) { - if (priv->version == EIP197 && - !ctx->base.needs_inv && req->processed && + if (priv->flags & EIP197_TRC_CACHE && !ctx->base.needs_inv && + (req->processed[0] || req->processed[1]) && req->digest == CONTEXT_CONTROL_DIGEST_PRECOMPUTED) /* We're still setting needs_inv here, even though it is * cleared right away, because the needs_inv flag can be @@ -590,7 +604,9 @@ static int safexcel_ahash_update(struct ahash_request *areq) if (!areq->nbytes) return 0; - req->len += areq->nbytes; + req->len[0] += areq->nbytes; + if (req->len[0] < areq->nbytes) + req->len[1]++; safexcel_ahash_cache(areq); @@ -605,7 +621,7 @@ static int safexcel_ahash_update(struct ahash_request *areq) return safexcel_ahash_enqueue(areq); if (!req->last_req && - req->len - req->processed > crypto_ahash_blocksize(ahash)) + safexcel_queued_len(req) > crypto_ahash_blocksize(ahash)) return safexcel_ahash_enqueue(areq); return 0; @@ -620,8 +636,11 @@ static int safexcel_ahash_final(struct ahash_request *areq) req->finish = true; /* If we have an overall 0 length request */ - if (!(req->len + areq->nbytes)) { - if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA1) + if (!req->len[0] && !req->len[1] && !areq->nbytes) { + if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_MD5) + memcpy(areq->result, md5_zero_message_hash, + MD5_DIGEST_SIZE); + else if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA1) memcpy(areq->result, sha1_zero_message_hash, SHA1_DIGEST_SIZE); else if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA224) @@ -630,6 +649,12 @@ static int safexcel_ahash_final(struct ahash_request *areq) else if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA256) memcpy(areq->result, sha256_zero_message_hash, SHA256_DIGEST_SIZE); + else if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA384) + memcpy(areq->result, sha384_zero_message_hash, + SHA384_DIGEST_SIZE); + else if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA512) + memcpy(areq->result, sha512_zero_message_hash, + SHA512_DIGEST_SIZE); return 0; } @@ -654,8 +679,10 @@ static int safexcel_ahash_export(struct ahash_request *areq, void *out) struct safexcel_ahash_req *req = ahash_request_ctx(areq); struct safexcel_ahash_export_state *export = out; - export->len = req->len; - export->processed = req->processed; + export->len[0] = req->len[0]; + export->len[1] = req->len[1]; + export->processed[0] = req->processed[0]; + export->processed[1] = req->processed[1]; export->digest = req->digest; @@ -676,8 +703,10 @@ static int safexcel_ahash_import(struct ahash_request *areq, const void *in) if (ret) return ret; - req->len = export->len; - req->processed = export->processed; + req->len[0] = export->len[0]; + req->len[1] = export->len[1]; + req->processed[0] = export->processed[0]; + req->processed[1] = export->processed[1]; req->digest = export->digest; @@ -743,7 +772,7 @@ static void safexcel_ahash_cra_exit(struct crypto_tfm *tfm) if (!ctx->base.ctxr) return; - if (priv->version == EIP197) { + if (priv->flags & EIP197_TRC_CACHE) { ret = safexcel_ahash_exit_inv(tfm); if (ret) dev_warn(priv->dev, "hash: invalidation error %d\n", ret); @@ -755,6 +784,7 @@ static void safexcel_ahash_cra_exit(struct crypto_tfm *tfm) struct safexcel_alg_template safexcel_alg_sha1 = { .type = SAFEXCEL_ALG_TYPE_AHASH, + .engines = EIP97IES | EIP197B | EIP197D, .alg.ahash = { .init = safexcel_sha1_init, .update = safexcel_ahash_update, @@ -908,8 +938,7 @@ int safexcel_hmac_setkey(const char *alg, const u8 *key, unsigned int keylen, u8 *ipad, *opad; int ret; - tfm = crypto_alloc_ahash(alg, CRYPTO_ALG_TYPE_AHASH, - CRYPTO_ALG_TYPE_AHASH_MASK); + tfm = crypto_alloc_ahash(alg, 0, 0); if (IS_ERR(tfm)) return PTR_ERR(tfm); @@ -963,7 +992,7 @@ static int safexcel_hmac_alg_setkey(struct crypto_ahash *tfm, const u8 *key, if (ret) return ret; - if (priv->version == EIP197 && ctx->base.ctxr) { + if (priv->flags & EIP197_TRC_CACHE && ctx->base.ctxr) { for (i = 0; i < state_sz / sizeof(u32); i++) { if (ctx->ipad[i] != le32_to_cpu(istate.state[i]) || ctx->opad[i] != le32_to_cpu(ostate.state[i])) { @@ -988,6 +1017,7 @@ static int safexcel_hmac_sha1_setkey(struct crypto_ahash *tfm, const u8 *key, struct safexcel_alg_template safexcel_alg_hmac_sha1 = { .type = SAFEXCEL_ALG_TYPE_AHASH, + .engines = EIP97IES | EIP197B | EIP197D, .alg.ahash = { .init = safexcel_hmac_sha1_init, .update = safexcel_ahash_update, @@ -1051,6 +1081,7 @@ static int safexcel_sha256_digest(struct ahash_request *areq) struct safexcel_alg_template safexcel_alg_sha256 = { .type = SAFEXCEL_ALG_TYPE_AHASH, + .engines = EIP97IES | EIP197B | EIP197D, .alg.ahash = { .init = safexcel_sha256_init, .update = safexcel_ahash_update, @@ -1113,6 +1144,7 @@ static int safexcel_sha224_digest(struct ahash_request *areq) struct safexcel_alg_template safexcel_alg_sha224 = { .type = SAFEXCEL_ALG_TYPE_AHASH, + .engines = EIP97IES | EIP197B | EIP197D, .alg.ahash = { .init = safexcel_sha224_init, .update = safexcel_ahash_update, @@ -1168,6 +1200,7 @@ static int safexcel_hmac_sha224_digest(struct ahash_request *areq) struct safexcel_alg_template safexcel_alg_hmac_sha224 = { .type = SAFEXCEL_ALG_TYPE_AHASH, + .engines = EIP97IES | EIP197B | EIP197D, .alg.ahash = { .init = safexcel_hmac_sha224_init, .update = safexcel_ahash_update, @@ -1224,6 +1257,7 @@ static int safexcel_hmac_sha256_digest(struct ahash_request *areq) struct safexcel_alg_template safexcel_alg_hmac_sha256 = { .type = SAFEXCEL_ALG_TYPE_AHASH, + .engines = EIP97IES | EIP197B | EIP197D, .alg.ahash = { .init = safexcel_hmac_sha256_init, .update = safexcel_ahash_update, @@ -1251,3 +1285,375 @@ struct safexcel_alg_template safexcel_alg_hmac_sha256 = { }, }, }; + +static int safexcel_sha512_init(struct ahash_request *areq) +{ + struct safexcel_ahash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(areq)); + struct safexcel_ahash_req *req = ahash_request_ctx(areq); + + memset(req, 0, sizeof(*req)); + + req->state[0] = lower_32_bits(SHA512_H0); + req->state[1] = upper_32_bits(SHA512_H0); + req->state[2] = lower_32_bits(SHA512_H1); + req->state[3] = upper_32_bits(SHA512_H1); + req->state[4] = lower_32_bits(SHA512_H2); + req->state[5] = upper_32_bits(SHA512_H2); + req->state[6] = lower_32_bits(SHA512_H3); + req->state[7] = upper_32_bits(SHA512_H3); + req->state[8] = lower_32_bits(SHA512_H4); + req->state[9] = upper_32_bits(SHA512_H4); + req->state[10] = lower_32_bits(SHA512_H5); + req->state[11] = upper_32_bits(SHA512_H5); + req->state[12] = lower_32_bits(SHA512_H6); + req->state[13] = upper_32_bits(SHA512_H6); + req->state[14] = lower_32_bits(SHA512_H7); + req->state[15] = upper_32_bits(SHA512_H7); + + ctx->alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA512; + req->digest = CONTEXT_CONTROL_DIGEST_PRECOMPUTED; + req->state_sz = SHA512_DIGEST_SIZE; + + return 0; +} + +static int safexcel_sha512_digest(struct ahash_request *areq) +{ + int ret = safexcel_sha512_init(areq); + + if (ret) + return ret; + + return safexcel_ahash_finup(areq); +} + +struct safexcel_alg_template safexcel_alg_sha512 = { + .type = SAFEXCEL_ALG_TYPE_AHASH, + .engines = EIP97IES | EIP197B | EIP197D, + .alg.ahash = { + .init = safexcel_sha512_init, + .update = safexcel_ahash_update, + .final = safexcel_ahash_final, + .finup = safexcel_ahash_finup, + .digest = safexcel_sha512_digest, + .export = safexcel_ahash_export, + .import = safexcel_ahash_import, + .halg = { + .digestsize = SHA512_DIGEST_SIZE, + .statesize = sizeof(struct safexcel_ahash_export_state), + .base = { + .cra_name = "sha512", + .cra_driver_name = "safexcel-sha512", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, + .cra_blocksize = SHA512_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct safexcel_ahash_ctx), + .cra_init = safexcel_ahash_cra_init, + .cra_exit = safexcel_ahash_cra_exit, + .cra_module = THIS_MODULE, + }, + }, + }, +}; + +static int safexcel_sha384_init(struct ahash_request *areq) +{ + struct safexcel_ahash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(areq)); + struct safexcel_ahash_req *req = ahash_request_ctx(areq); + + memset(req, 0, sizeof(*req)); + + req->state[0] = lower_32_bits(SHA384_H0); + req->state[1] = upper_32_bits(SHA384_H0); + req->state[2] = lower_32_bits(SHA384_H1); + req->state[3] = upper_32_bits(SHA384_H1); + req->state[4] = lower_32_bits(SHA384_H2); + req->state[5] = upper_32_bits(SHA384_H2); + req->state[6] = lower_32_bits(SHA384_H3); + req->state[7] = upper_32_bits(SHA384_H3); + req->state[8] = lower_32_bits(SHA384_H4); + req->state[9] = upper_32_bits(SHA384_H4); + req->state[10] = lower_32_bits(SHA384_H5); + req->state[11] = upper_32_bits(SHA384_H5); + req->state[12] = lower_32_bits(SHA384_H6); + req->state[13] = upper_32_bits(SHA384_H6); + req->state[14] = lower_32_bits(SHA384_H7); + req->state[15] = upper_32_bits(SHA384_H7); + + ctx->alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA384; + req->digest = CONTEXT_CONTROL_DIGEST_PRECOMPUTED; + req->state_sz = SHA512_DIGEST_SIZE; + + return 0; +} + +static int safexcel_sha384_digest(struct ahash_request *areq) +{ + int ret = safexcel_sha384_init(areq); + + if (ret) + return ret; + + return safexcel_ahash_finup(areq); +} + +struct safexcel_alg_template safexcel_alg_sha384 = { + .type = SAFEXCEL_ALG_TYPE_AHASH, + .engines = EIP97IES | EIP197B | EIP197D, + .alg.ahash = { + .init = safexcel_sha384_init, + .update = safexcel_ahash_update, + .final = safexcel_ahash_final, + .finup = safexcel_ahash_finup, + .digest = safexcel_sha384_digest, + .export = safexcel_ahash_export, + .import = safexcel_ahash_import, + .halg = { + .digestsize = SHA384_DIGEST_SIZE, + .statesize = sizeof(struct safexcel_ahash_export_state), + .base = { + .cra_name = "sha384", + .cra_driver_name = "safexcel-sha384", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, + .cra_blocksize = SHA384_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct safexcel_ahash_ctx), + .cra_init = safexcel_ahash_cra_init, + .cra_exit = safexcel_ahash_cra_exit, + .cra_module = THIS_MODULE, + }, + }, + }, +}; + +static int safexcel_hmac_sha512_setkey(struct crypto_ahash *tfm, const u8 *key, + unsigned int keylen) +{ + return safexcel_hmac_alg_setkey(tfm, key, keylen, "safexcel-sha512", + SHA512_DIGEST_SIZE); +} + +static int safexcel_hmac_sha512_init(struct ahash_request *areq) +{ + struct safexcel_ahash_req *req = ahash_request_ctx(areq); + + safexcel_sha512_init(areq); + req->digest = CONTEXT_CONTROL_DIGEST_HMAC; + return 0; +} + +static int safexcel_hmac_sha512_digest(struct ahash_request *areq) +{ + int ret = safexcel_hmac_sha512_init(areq); + + if (ret) + return ret; + + return safexcel_ahash_finup(areq); +} + +struct safexcel_alg_template safexcel_alg_hmac_sha512 = { + .type = SAFEXCEL_ALG_TYPE_AHASH, + .engines = EIP97IES | EIP197B | EIP197D, + .alg.ahash = { + .init = safexcel_hmac_sha512_init, + .update = safexcel_ahash_update, + .final = safexcel_ahash_final, + .finup = safexcel_ahash_finup, + .digest = safexcel_hmac_sha512_digest, + .setkey = safexcel_hmac_sha512_setkey, + .export = safexcel_ahash_export, + .import = safexcel_ahash_import, + .halg = { + .digestsize = SHA512_DIGEST_SIZE, + .statesize = sizeof(struct safexcel_ahash_export_state), + .base = { + .cra_name = "hmac(sha512)", + .cra_driver_name = "safexcel-hmac-sha512", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, + .cra_blocksize = SHA512_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct safexcel_ahash_ctx), + .cra_init = safexcel_ahash_cra_init, + .cra_exit = safexcel_ahash_cra_exit, + .cra_module = THIS_MODULE, + }, + }, + }, +}; + +static int safexcel_hmac_sha384_setkey(struct crypto_ahash *tfm, const u8 *key, + unsigned int keylen) +{ + return safexcel_hmac_alg_setkey(tfm, key, keylen, "safexcel-sha384", + SHA512_DIGEST_SIZE); +} + +static int safexcel_hmac_sha384_init(struct ahash_request *areq) +{ + struct safexcel_ahash_req *req = ahash_request_ctx(areq); + + safexcel_sha384_init(areq); + req->digest = CONTEXT_CONTROL_DIGEST_HMAC; + return 0; +} + +static int safexcel_hmac_sha384_digest(struct ahash_request *areq) +{ + int ret = safexcel_hmac_sha384_init(areq); + + if (ret) + return ret; + + return safexcel_ahash_finup(areq); +} + +struct safexcel_alg_template safexcel_alg_hmac_sha384 = { + .type = SAFEXCEL_ALG_TYPE_AHASH, + .engines = EIP97IES | EIP197B | EIP197D, + .alg.ahash = { + .init = safexcel_hmac_sha384_init, + .update = safexcel_ahash_update, + .final = safexcel_ahash_final, + .finup = safexcel_ahash_finup, + .digest = safexcel_hmac_sha384_digest, + .setkey = safexcel_hmac_sha384_setkey, + .export = safexcel_ahash_export, + .import = safexcel_ahash_import, + .halg = { + .digestsize = SHA384_DIGEST_SIZE, + .statesize = sizeof(struct safexcel_ahash_export_state), + .base = { + .cra_name = "hmac(sha384)", + .cra_driver_name = "safexcel-hmac-sha384", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, + .cra_blocksize = SHA384_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct safexcel_ahash_ctx), + .cra_init = safexcel_ahash_cra_init, + .cra_exit = safexcel_ahash_cra_exit, + .cra_module = THIS_MODULE, + }, + }, + }, +}; + +static int safexcel_md5_init(struct ahash_request *areq) +{ + struct safexcel_ahash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(areq)); + struct safexcel_ahash_req *req = ahash_request_ctx(areq); + + memset(req, 0, sizeof(*req)); + + req->state[0] = MD5_H0; + req->state[1] = MD5_H1; + req->state[2] = MD5_H2; + req->state[3] = MD5_H3; + + ctx->alg = CONTEXT_CONTROL_CRYPTO_ALG_MD5; + req->digest = CONTEXT_CONTROL_DIGEST_PRECOMPUTED; + req->state_sz = MD5_DIGEST_SIZE; + + return 0; +} + +static int safexcel_md5_digest(struct ahash_request *areq) +{ + int ret = safexcel_md5_init(areq); + + if (ret) + return ret; + + return safexcel_ahash_finup(areq); +} + +struct safexcel_alg_template safexcel_alg_md5 = { + .type = SAFEXCEL_ALG_TYPE_AHASH, + .engines = EIP97IES | EIP197B | EIP197D, + .alg.ahash = { + .init = safexcel_md5_init, + .update = safexcel_ahash_update, + .final = safexcel_ahash_final, + .finup = safexcel_ahash_finup, + .digest = safexcel_md5_digest, + .export = safexcel_ahash_export, + .import = safexcel_ahash_import, + .halg = { + .digestsize = MD5_DIGEST_SIZE, + .statesize = sizeof(struct safexcel_ahash_export_state), + .base = { + .cra_name = "md5", + .cra_driver_name = "safexcel-md5", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, + .cra_blocksize = MD5_HMAC_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct safexcel_ahash_ctx), + .cra_init = safexcel_ahash_cra_init, + .cra_exit = safexcel_ahash_cra_exit, + .cra_module = THIS_MODULE, + }, + }, + }, +}; + +static int safexcel_hmac_md5_init(struct ahash_request *areq) +{ + struct safexcel_ahash_req *req = ahash_request_ctx(areq); + + safexcel_md5_init(areq); + req->digest = CONTEXT_CONTROL_DIGEST_HMAC; + return 0; +} + +static int safexcel_hmac_md5_setkey(struct crypto_ahash *tfm, const u8 *key, + unsigned int keylen) +{ + return safexcel_hmac_alg_setkey(tfm, key, keylen, "safexcel-md5", + MD5_DIGEST_SIZE); +} + +static int safexcel_hmac_md5_digest(struct ahash_request *areq) +{ + int ret = safexcel_hmac_md5_init(areq); + + if (ret) + return ret; + + return safexcel_ahash_finup(areq); +} + +struct safexcel_alg_template safexcel_alg_hmac_md5 = { + .type = SAFEXCEL_ALG_TYPE_AHASH, + .engines = EIP97IES | EIP197B | EIP197D, + .alg.ahash = { + .init = safexcel_hmac_md5_init, + .update = safexcel_ahash_update, + .final = safexcel_ahash_final, + .finup = safexcel_ahash_finup, + .digest = safexcel_hmac_md5_digest, + .setkey = safexcel_hmac_md5_setkey, + .export = safexcel_ahash_export, + .import = safexcel_ahash_import, + .halg = { + .digestsize = MD5_DIGEST_SIZE, + .statesize = sizeof(struct safexcel_ahash_export_state), + .base = { + .cra_name = "hmac(md5)", + .cra_driver_name = "safexcel-hmac-md5", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, + .cra_blocksize = MD5_HMAC_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct safexcel_ahash_ctx), + .cra_init = safexcel_ahash_cra_init, + .cra_exit = safexcel_ahash_cra_exit, + .cra_module = THIS_MODULE, + }, + }, + }, +}; |