diff options
Diffstat (limited to 'drivers/crypto/inside-secure/safexcel_cipher.c')
-rw-r--r-- | drivers/crypto/inside-secure/safexcel_cipher.c | 492 |
1 files changed, 402 insertions, 90 deletions
diff --git a/drivers/crypto/inside-secure/safexcel_cipher.c b/drivers/crypto/inside-secure/safexcel_cipher.c index 6bb60fda2043..3aef1d43e435 100644 --- a/drivers/crypto/inside-secure/safexcel_cipher.c +++ b/drivers/crypto/inside-secure/safexcel_cipher.c @@ -1,11 +1,8 @@ +// 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 <linux/device.h> @@ -15,6 +12,7 @@ #include <crypto/aead.h> #include <crypto/aes.h> #include <crypto/authenc.h> +#include <crypto/des.h> #include <crypto/sha.h> #include <crypto/skcipher.h> #include <crypto/internal/aead.h> @@ -27,21 +25,28 @@ enum safexcel_cipher_direction { SAFEXCEL_DECRYPT, }; +enum safexcel_cipher_alg { + SAFEXCEL_DES, + SAFEXCEL_3DES, + SAFEXCEL_AES, +}; + struct safexcel_cipher_ctx { struct safexcel_context base; struct safexcel_crypto_priv *priv; u32 mode; + enum safexcel_cipher_alg alg; bool aead; __le32 key[8]; unsigned int key_len; /* All the below is AEAD specific */ - u32 alg; + u32 hash_alg; u32 state_sz; - 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_cipher_req { @@ -57,10 +62,24 @@ static void safexcel_skcipher_token(struct safexcel_cipher_ctx *ctx, u8 *iv, unsigned offset = 0; if (ctx->mode == CONTEXT_CONTROL_CRYPTO_MODE_CBC) { - offset = AES_BLOCK_SIZE / sizeof(u32); - memcpy(cdesc->control_data.token, iv, AES_BLOCK_SIZE); + switch (ctx->alg) { + case SAFEXCEL_DES: + offset = DES_BLOCK_SIZE / sizeof(u32); + memcpy(cdesc->control_data.token, iv, DES_BLOCK_SIZE); + cdesc->control_data.options |= EIP197_OPTION_2_TOKEN_IV_CMD; + break; + case SAFEXCEL_3DES: + offset = DES3_EDE_BLOCK_SIZE / sizeof(u32); + memcpy(cdesc->control_data.token, iv, DES3_EDE_BLOCK_SIZE); + cdesc->control_data.options |= EIP197_OPTION_2_TOKEN_IV_CMD; + break; - cdesc->control_data.options |= EIP197_OPTION_4_TOKEN_IV_CMD; + case SAFEXCEL_AES: + offset = AES_BLOCK_SIZE / sizeof(u32); + memcpy(cdesc->control_data.token, iv, AES_BLOCK_SIZE); + cdesc->control_data.options |= EIP197_OPTION_4_TOKEN_IV_CMD; + break; + } } token = (struct safexcel_token *)(cdesc->control_data.token + offset); @@ -145,7 +164,7 @@ static int safexcel_skcipher_aes_setkey(struct crypto_skcipher *ctfm, return ret; } - if (priv->version == EIP197 && ctx->base.ctxr_dma) { + if (priv->flags & EIP197_TRC_CACHE && ctx->base.ctxr_dma) { for (i = 0; i < len / sizeof(u32); i++) { if (ctx->key[i] != cpu_to_le32(aes.key_enc[i])) { ctx->base.needs_inv = true; @@ -179,12 +198,12 @@ static int safexcel_aead_aes_setkey(struct crypto_aead *ctfm, const u8 *key, goto badkey; /* Encryption key */ - if (priv->version == EIP197 && ctx->base.ctxr_dma && + if (priv->flags & EIP197_TRC_CACHE && ctx->base.ctxr_dma && memcmp(ctx->key, keys.enckey, keys.enckeylen)) ctx->base.needs_inv = true; /* Auth key */ - switch (ctx->alg) { + switch (ctx->hash_alg) { case CONTEXT_CONTROL_CRYPTO_ALG_SHA1: if (safexcel_hmac_setkey("safexcel-sha1", keys.authkey, keys.authkeylen, &istate, &ostate)) @@ -200,6 +219,16 @@ static int safexcel_aead_aes_setkey(struct crypto_aead *ctfm, const u8 *key, keys.authkeylen, &istate, &ostate)) goto badkey; break; + case CONTEXT_CONTROL_CRYPTO_ALG_SHA384: + if (safexcel_hmac_setkey("safexcel-sha384", keys.authkey, + keys.authkeylen, &istate, &ostate)) + goto badkey; + break; + case CONTEXT_CONTROL_CRYPTO_ALG_SHA512: + if (safexcel_hmac_setkey("safexcel-sha512", keys.authkey, + keys.authkeylen, &istate, &ostate)) + goto badkey; + break; default: dev_err(priv->dev, "aead: unsupported hash algorithm\n"); goto badkey; @@ -208,7 +237,7 @@ static int safexcel_aead_aes_setkey(struct crypto_aead *ctfm, const u8 *key, crypto_aead_set_flags(ctfm, crypto_aead_get_flags(ctfm) & CRYPTO_TFM_RES_MASK); - if (priv->version == EIP197 && ctx->base.ctxr_dma && + if (priv->flags & EIP197_TRC_CACHE && ctx->base.ctxr_dma && (memcmp(ctx->ipad, istate.state, ctx->state_sz) || memcmp(ctx->opad, ostate.state, ctx->state_sz))) ctx->base.needs_inv = true; @@ -258,22 +287,28 @@ static int safexcel_context_control(struct safexcel_cipher_ctx *ctx, if (ctx->aead) cdesc->control_data.control0 |= CONTEXT_CONTROL_DIGEST_HMAC | - ctx->alg; - - switch (ctx->key_len) { - case AES_KEYSIZE_128: - cdesc->control_data.control0 |= CONTEXT_CONTROL_CRYPTO_ALG_AES128; - break; - case AES_KEYSIZE_192: - cdesc->control_data.control0 |= CONTEXT_CONTROL_CRYPTO_ALG_AES192; - break; - case AES_KEYSIZE_256: - cdesc->control_data.control0 |= CONTEXT_CONTROL_CRYPTO_ALG_AES256; - break; - default: - dev_err(priv->dev, "aes keysize not supported: %u\n", - ctx->key_len); - return -EINVAL; + ctx->hash_alg; + + if (ctx->alg == SAFEXCEL_DES) { + cdesc->control_data.control0 |= CONTEXT_CONTROL_CRYPTO_ALG_DES; + } else if (ctx->alg == SAFEXCEL_3DES) { + cdesc->control_data.control0 |= CONTEXT_CONTROL_CRYPTO_ALG_3DES; + } else if (ctx->alg == SAFEXCEL_AES) { + switch (ctx->key_len) { + case AES_KEYSIZE_128: + cdesc->control_data.control0 |= CONTEXT_CONTROL_CRYPTO_ALG_AES128; + break; + case AES_KEYSIZE_192: + cdesc->control_data.control0 |= CONTEXT_CONTROL_CRYPTO_ALG_AES192; + break; + case AES_KEYSIZE_256: + cdesc->control_data.control0 |= CONTEXT_CONTROL_CRYPTO_ALG_AES256; + break; + default: + dev_err(priv->dev, "aes keysize not supported: %u\n", + ctx->key_len); + return -EINVAL; + } } ctrl_size = ctx->key_len / sizeof(u32); @@ -298,7 +333,6 @@ static int safexcel_handle_req_result(struct safexcel_crypto_priv *priv, int rin *ret = 0; - spin_lock_bh(&priv->ring[ring].egress_lock); do { rdesc = safexcel_ring_next_rptr(priv, &priv->ring[ring].rdr); if (IS_ERR(rdesc)) { @@ -315,7 +349,6 @@ static int safexcel_handle_req_result(struct safexcel_crypto_priv *priv, int rin } while (!rdesc->last_seg); safexcel_complete(priv, ring); - spin_unlock_bh(&priv->ring[ring].egress_lock); if (src == dst) { dma_unmap_sg(priv->dev, src, @@ -335,8 +368,7 @@ static int safexcel_handle_req_result(struct safexcel_crypto_priv *priv, int rin return ndesc; } -static int safexcel_aes_send(struct crypto_async_request *base, int ring, - struct safexcel_request *request, +static int safexcel_send_req(struct crypto_async_request *base, int ring, struct safexcel_cipher_req *sreq, struct scatterlist *src, struct scatterlist *dst, unsigned int cryptlen, unsigned int assoclen, @@ -346,7 +378,7 @@ static int safexcel_aes_send(struct crypto_async_request *base, int ring, struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(base->tfm); struct safexcel_crypto_priv *priv = ctx->priv; struct safexcel_command_desc *cdesc; - struct safexcel_result_desc *rdesc; + struct safexcel_result_desc *rdesc, *first_rdesc = NULL; struct scatterlist *sg; unsigned int totlen = cryptlen + assoclen; int nr_src, nr_dst, n_cdesc = 0, n_rdesc = 0, queued = totlen; @@ -386,8 +418,6 @@ static int safexcel_aes_send(struct crypto_async_request *base, int ring, ctx->opad, ctx->state_sz); } - spin_lock_bh(&priv->ring[ring].egress_lock); - /* command descriptors */ for_each_sg(src, sg, nr_src, i) { int len = sg_dma_len(sg); @@ -434,12 +464,12 @@ static int safexcel_aes_send(struct crypto_async_request *base, int ring, ret = PTR_ERR(rdesc); goto rdesc_rollback; } + if (first) + first_rdesc = rdesc; n_rdesc++; } - spin_unlock_bh(&priv->ring[ring].egress_lock); - - request->req = base; + safexcel_rdr_req_set(priv, ring, first_rdesc, base); *commands = n_cdesc; *results = n_rdesc; @@ -452,8 +482,6 @@ cdesc_rollback: for (i = 0; i < n_cdesc; i++) safexcel_ring_rollback_wptr(priv, &priv->ring[ring].cdr); - spin_unlock_bh(&priv->ring[ring].egress_lock); - if (src == dst) { dma_unmap_sg(priv->dev, src, sg_nents_for_len(src, totlen), @@ -481,7 +509,6 @@ static int safexcel_handle_inv_result(struct safexcel_crypto_priv *priv, *ret = 0; - spin_lock_bh(&priv->ring[ring].egress_lock); do { rdesc = safexcel_ring_next_rptr(priv, &priv->ring[ring].rdr); if (IS_ERR(rdesc)) { @@ -491,17 +518,13 @@ static int safexcel_handle_inv_result(struct safexcel_crypto_priv *priv, break; } - if (rdesc->result_data.error_code) { - dev_err(priv->dev, "cipher: invalidate: result descriptor error (%d)\n", - rdesc->result_data.error_code); - *ret = -EIO; - } + if (likely(!*ret)) + *ret = safexcel_rdesc_check_errors(priv, rdesc); ndesc++; } while (!rdesc->last_seg); 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, @@ -577,15 +600,13 @@ static int safexcel_aead_handle_result(struct safexcel_crypto_priv *priv, } static int safexcel_cipher_send_inv(struct crypto_async_request *base, - int ring, struct safexcel_request *request, - int *commands, int *results) + int ring, int *commands, int *results) { struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(base->tfm); struct safexcel_crypto_priv *priv = ctx->priv; int ret; - ret = safexcel_invalidate_cache(base, priv, ctx->base.ctxr_dma, ring, - request); + ret = safexcel_invalidate_cache(base, priv, ctx->base.ctxr_dma, ring); if (unlikely(ret)) return ret; @@ -596,7 +617,6 @@ static int safexcel_cipher_send_inv(struct crypto_async_request *base, } static int safexcel_skcipher_send(struct crypto_async_request *async, int ring, - struct safexcel_request *request, int *commands, int *results) { struct skcipher_request *req = skcipher_request_cast(async); @@ -605,21 +625,19 @@ static int safexcel_skcipher_send(struct crypto_async_request *async, int ring, struct safexcel_crypto_priv *priv = ctx->priv; int ret; - BUG_ON(priv->version == EIP97 && sreq->needs_inv); + BUG_ON(!(priv->flags & EIP197_TRC_CACHE) && sreq->needs_inv); if (sreq->needs_inv) - ret = safexcel_cipher_send_inv(async, ring, request, commands, - results); + ret = safexcel_cipher_send_inv(async, ring, commands, results); else - ret = safexcel_aes_send(async, ring, request, sreq, req->src, + ret = safexcel_send_req(async, ring, sreq, req->src, req->dst, req->cryptlen, 0, 0, req->iv, commands, results); return ret; } static int safexcel_aead_send(struct crypto_async_request *async, int ring, - struct safexcel_request *request, int *commands, - int *results) + int *commands, int *results) { struct aead_request *req = aead_request_cast(async); struct crypto_aead *tfm = crypto_aead_reqtfm(req); @@ -628,14 +646,13 @@ static int safexcel_aead_send(struct crypto_async_request *async, int ring, struct safexcel_crypto_priv *priv = ctx->priv; int ret; - BUG_ON(priv->version == EIP97 && sreq->needs_inv); + BUG_ON(!(priv->flags & EIP197_TRC_CACHE) && sreq->needs_inv); if (sreq->needs_inv) - ret = safexcel_cipher_send_inv(async, ring, request, commands, - results); + ret = safexcel_cipher_send_inv(async, ring, commands, results); else - ret = safexcel_aes_send(async, ring, request, sreq, req->src, - req->dst, req->cryptlen, req->assoclen, + ret = safexcel_send_req(async, ring, sreq, req->src, req->dst, + req->cryptlen, req->assoclen, crypto_aead_authsize(tfm), req->iv, commands, results); return ret; @@ -705,9 +722,10 @@ static int safexcel_aead_exit_inv(struct crypto_tfm *tfm) return safexcel_cipher_exit_inv(tfm, &req->base, sreq, &result); } -static int safexcel_aes(struct crypto_async_request *base, +static int safexcel_queue_req(struct crypto_async_request *base, struct safexcel_cipher_req *sreq, - enum safexcel_cipher_direction dir, u32 mode) + enum safexcel_cipher_direction dir, u32 mode, + enum safexcel_cipher_alg alg) { struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(base->tfm); struct safexcel_crypto_priv *priv = ctx->priv; @@ -715,10 +733,11 @@ static int safexcel_aes(struct crypto_async_request *base, sreq->needs_inv = false; sreq->direction = dir; + ctx->alg = alg; ctx->mode = mode; if (ctx->base.ctxr) { - if (priv->version == EIP197 && ctx->base.needs_inv) { + if (priv->flags & EIP197_TRC_CACHE && ctx->base.needs_inv) { sreq->needs_inv = true; ctx->base.needs_inv = false; } @@ -745,14 +764,16 @@ static int safexcel_aes(struct crypto_async_request *base, static int safexcel_ecb_aes_encrypt(struct skcipher_request *req) { - return safexcel_aes(&req->base, skcipher_request_ctx(req), - SAFEXCEL_ENCRYPT, CONTEXT_CONTROL_CRYPTO_MODE_ECB); + return safexcel_queue_req(&req->base, skcipher_request_ctx(req), + SAFEXCEL_ENCRYPT, CONTEXT_CONTROL_CRYPTO_MODE_ECB, + SAFEXCEL_AES); } static int safexcel_ecb_aes_decrypt(struct skcipher_request *req) { - return safexcel_aes(&req->base, skcipher_request_ctx(req), - SAFEXCEL_DECRYPT, CONTEXT_CONTROL_CRYPTO_MODE_ECB); + return safexcel_queue_req(&req->base, skcipher_request_ctx(req), + SAFEXCEL_DECRYPT, CONTEXT_CONTROL_CRYPTO_MODE_ECB, + SAFEXCEL_AES); } static int safexcel_skcipher_cra_init(struct crypto_tfm *tfm) @@ -795,7 +816,7 @@ static void safexcel_skcipher_cra_exit(struct crypto_tfm *tfm) if (safexcel_cipher_cra_exit(tfm)) return; - if (priv->version == EIP197) { + if (priv->flags & EIP197_TRC_CACHE) { ret = safexcel_skcipher_exit_inv(tfm); if (ret) dev_warn(priv->dev, "skcipher: invalidation error %d\n", @@ -815,7 +836,7 @@ static void safexcel_aead_cra_exit(struct crypto_tfm *tfm) if (safexcel_cipher_cra_exit(tfm)) return; - if (priv->version == EIP197) { + if (priv->flags & EIP197_TRC_CACHE) { ret = safexcel_aead_exit_inv(tfm); if (ret) dev_warn(priv->dev, "aead: invalidation error %d\n", @@ -828,6 +849,7 @@ static void safexcel_aead_cra_exit(struct crypto_tfm *tfm) struct safexcel_alg_template safexcel_alg_ecb_aes = { .type = SAFEXCEL_ALG_TYPE_SKCIPHER, + .engines = EIP97IES | EIP197B | EIP197D, .alg.skcipher = { .setkey = safexcel_skcipher_aes_setkey, .encrypt = safexcel_ecb_aes_encrypt, @@ -838,7 +860,7 @@ struct safexcel_alg_template safexcel_alg_ecb_aes = { .cra_name = "ecb(aes)", .cra_driver_name = "safexcel-ecb-aes", .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_SKCIPHER | CRYPTO_ALG_ASYNC | + .cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = AES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), @@ -852,18 +874,21 @@ struct safexcel_alg_template safexcel_alg_ecb_aes = { static int safexcel_cbc_aes_encrypt(struct skcipher_request *req) { - return safexcel_aes(&req->base, skcipher_request_ctx(req), - SAFEXCEL_ENCRYPT, CONTEXT_CONTROL_CRYPTO_MODE_CBC); + return safexcel_queue_req(&req->base, skcipher_request_ctx(req), + SAFEXCEL_ENCRYPT, CONTEXT_CONTROL_CRYPTO_MODE_CBC, + SAFEXCEL_AES); } static int safexcel_cbc_aes_decrypt(struct skcipher_request *req) { - return safexcel_aes(&req->base, skcipher_request_ctx(req), - SAFEXCEL_DECRYPT, CONTEXT_CONTROL_CRYPTO_MODE_CBC); + return safexcel_queue_req(&req->base, skcipher_request_ctx(req), + SAFEXCEL_DECRYPT, CONTEXT_CONTROL_CRYPTO_MODE_CBC, + SAFEXCEL_AES); } struct safexcel_alg_template safexcel_alg_cbc_aes = { .type = SAFEXCEL_ALG_TYPE_SKCIPHER, + .engines = EIP97IES | EIP197B | EIP197D, .alg.skcipher = { .setkey = safexcel_skcipher_aes_setkey, .encrypt = safexcel_cbc_aes_encrypt, @@ -875,7 +900,7 @@ struct safexcel_alg_template safexcel_alg_cbc_aes = { .cra_name = "cbc(aes)", .cra_driver_name = "safexcel-cbc-aes", .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_SKCIPHER | CRYPTO_ALG_ASYNC | + .cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = AES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), @@ -887,20 +912,234 @@ struct safexcel_alg_template safexcel_alg_cbc_aes = { }, }; +static int safexcel_cbc_des_encrypt(struct skcipher_request *req) +{ + return safexcel_queue_req(&req->base, skcipher_request_ctx(req), + SAFEXCEL_ENCRYPT, CONTEXT_CONTROL_CRYPTO_MODE_CBC, + SAFEXCEL_DES); +} + +static int safexcel_cbc_des_decrypt(struct skcipher_request *req) +{ + return safexcel_queue_req(&req->base, skcipher_request_ctx(req), + SAFEXCEL_DECRYPT, CONTEXT_CONTROL_CRYPTO_MODE_CBC, + SAFEXCEL_DES); +} + +static int safexcel_des_setkey(struct crypto_skcipher *ctfm, const u8 *key, + unsigned int len) +{ + struct crypto_tfm *tfm = crypto_skcipher_tfm(ctfm); + struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); + u32 tmp[DES_EXPKEY_WORDS]; + int ret; + + if (len != DES_KEY_SIZE) { + crypto_skcipher_set_flags(ctfm, CRYPTO_TFM_RES_BAD_KEY_LEN); + return -EINVAL; + } + + ret = des_ekey(tmp, key); + if (!ret && (tfm->crt_flags & CRYPTO_TFM_REQ_WEAK_KEY)) { + tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY; + return -EINVAL; + } + + /* if context exits and key changed, need to invalidate it */ + if (ctx->base.ctxr_dma) + if (memcmp(ctx->key, key, len)) + ctx->base.needs_inv = true; + + memcpy(ctx->key, key, len); + ctx->key_len = len; + + return 0; +} + +struct safexcel_alg_template safexcel_alg_cbc_des = { + .type = SAFEXCEL_ALG_TYPE_SKCIPHER, + .engines = EIP97IES | EIP197B | EIP197D, + .alg.skcipher = { + .setkey = safexcel_des_setkey, + .encrypt = safexcel_cbc_des_encrypt, + .decrypt = safexcel_cbc_des_decrypt, + .min_keysize = DES_KEY_SIZE, + .max_keysize = DES_KEY_SIZE, + .ivsize = DES_BLOCK_SIZE, + .base = { + .cra_name = "cbc(des)", + .cra_driver_name = "safexcel-cbc-des", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_TYPE_SKCIPHER | CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, + .cra_blocksize = DES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), + .cra_alignmask = 0, + .cra_init = safexcel_skcipher_cra_init, + .cra_exit = safexcel_skcipher_cra_exit, + .cra_module = THIS_MODULE, + }, + }, +}; + +static int safexcel_ecb_des_encrypt(struct skcipher_request *req) +{ + return safexcel_queue_req(&req->base, skcipher_request_ctx(req), + SAFEXCEL_ENCRYPT, CONTEXT_CONTROL_CRYPTO_MODE_ECB, + SAFEXCEL_DES); +} + +static int safexcel_ecb_des_decrypt(struct skcipher_request *req) +{ + return safexcel_queue_req(&req->base, skcipher_request_ctx(req), + SAFEXCEL_DECRYPT, CONTEXT_CONTROL_CRYPTO_MODE_ECB, + SAFEXCEL_DES); +} + +struct safexcel_alg_template safexcel_alg_ecb_des = { + .type = SAFEXCEL_ALG_TYPE_SKCIPHER, + .engines = EIP97IES | EIP197B | EIP197D, + .alg.skcipher = { + .setkey = safexcel_des_setkey, + .encrypt = safexcel_ecb_des_encrypt, + .decrypt = safexcel_ecb_des_decrypt, + .min_keysize = DES_KEY_SIZE, + .max_keysize = DES_KEY_SIZE, + .ivsize = DES_BLOCK_SIZE, + .base = { + .cra_name = "ecb(des)", + .cra_driver_name = "safexcel-ecb-des", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_TYPE_SKCIPHER | CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, + .cra_blocksize = DES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), + .cra_alignmask = 0, + .cra_init = safexcel_skcipher_cra_init, + .cra_exit = safexcel_skcipher_cra_exit, + .cra_module = THIS_MODULE, + }, + }, +}; + +static int safexcel_cbc_des3_ede_encrypt(struct skcipher_request *req) +{ + return safexcel_queue_req(&req->base, skcipher_request_ctx(req), + SAFEXCEL_ENCRYPT, CONTEXT_CONTROL_CRYPTO_MODE_CBC, + SAFEXCEL_3DES); +} + +static int safexcel_cbc_des3_ede_decrypt(struct skcipher_request *req) +{ + return safexcel_queue_req(&req->base, skcipher_request_ctx(req), + SAFEXCEL_DECRYPT, CONTEXT_CONTROL_CRYPTO_MODE_CBC, + SAFEXCEL_3DES); +} + +static int safexcel_des3_ede_setkey(struct crypto_skcipher *ctfm, + const u8 *key, unsigned int len) +{ + struct crypto_tfm *tfm = crypto_skcipher_tfm(ctfm); + struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); + + if (len != DES3_EDE_KEY_SIZE) { + crypto_skcipher_set_flags(ctfm, CRYPTO_TFM_RES_BAD_KEY_LEN); + return -EINVAL; + } + + /* if context exits and key changed, need to invalidate it */ + if (ctx->base.ctxr_dma) { + if (memcmp(ctx->key, key, len)) + ctx->base.needs_inv = true; + } + + memcpy(ctx->key, key, len); + + ctx->key_len = len; + + return 0; +} + +struct safexcel_alg_template safexcel_alg_cbc_des3_ede = { + .type = SAFEXCEL_ALG_TYPE_SKCIPHER, + .engines = EIP97IES | EIP197B | EIP197D, + .alg.skcipher = { + .setkey = safexcel_des3_ede_setkey, + .encrypt = safexcel_cbc_des3_ede_encrypt, + .decrypt = safexcel_cbc_des3_ede_decrypt, + .min_keysize = DES3_EDE_KEY_SIZE, + .max_keysize = DES3_EDE_KEY_SIZE, + .ivsize = DES3_EDE_BLOCK_SIZE, + .base = { + .cra_name = "cbc(des3_ede)", + .cra_driver_name = "safexcel-cbc-des3_ede", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_TYPE_SKCIPHER | CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), + .cra_alignmask = 0, + .cra_init = safexcel_skcipher_cra_init, + .cra_exit = safexcel_skcipher_cra_exit, + .cra_module = THIS_MODULE, + }, + }, +}; + +static int safexcel_ecb_des3_ede_encrypt(struct skcipher_request *req) +{ + return safexcel_queue_req(&req->base, skcipher_request_ctx(req), + SAFEXCEL_ENCRYPT, CONTEXT_CONTROL_CRYPTO_MODE_ECB, + SAFEXCEL_3DES); +} + +static int safexcel_ecb_des3_ede_decrypt(struct skcipher_request *req) +{ + return safexcel_queue_req(&req->base, skcipher_request_ctx(req), + SAFEXCEL_DECRYPT, CONTEXT_CONTROL_CRYPTO_MODE_ECB, + SAFEXCEL_3DES); +} + +struct safexcel_alg_template safexcel_alg_ecb_des3_ede = { + .type = SAFEXCEL_ALG_TYPE_SKCIPHER, + .engines = EIP97IES | EIP197B | EIP197D, + .alg.skcipher = { + .setkey = safexcel_des3_ede_setkey, + .encrypt = safexcel_ecb_des3_ede_encrypt, + .decrypt = safexcel_ecb_des3_ede_decrypt, + .min_keysize = DES3_EDE_KEY_SIZE, + .max_keysize = DES3_EDE_KEY_SIZE, + .ivsize = DES3_EDE_BLOCK_SIZE, + .base = { + .cra_name = "ecb(des3_ede)", + .cra_driver_name = "safexcel-ecb-des3_ede", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_TYPE_SKCIPHER | CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), + .cra_alignmask = 0, + .cra_init = safexcel_skcipher_cra_init, + .cra_exit = safexcel_skcipher_cra_exit, + .cra_module = THIS_MODULE, + }, + }, +}; + static int safexcel_aead_encrypt(struct aead_request *req) { struct safexcel_cipher_req *creq = aead_request_ctx(req); - return safexcel_aes(&req->base, creq, SAFEXCEL_ENCRYPT, - CONTEXT_CONTROL_CRYPTO_MODE_CBC); + return safexcel_queue_req(&req->base, creq, SAFEXCEL_ENCRYPT, + CONTEXT_CONTROL_CRYPTO_MODE_CBC, SAFEXCEL_AES); } static int safexcel_aead_decrypt(struct aead_request *req) { struct safexcel_cipher_req *creq = aead_request_ctx(req); - return safexcel_aes(&req->base, creq, SAFEXCEL_DECRYPT, - CONTEXT_CONTROL_CRYPTO_MODE_CBC); + return safexcel_queue_req(&req->base, creq, SAFEXCEL_DECRYPT, + CONTEXT_CONTROL_CRYPTO_MODE_CBC, SAFEXCEL_AES); } static int safexcel_aead_cra_init(struct crypto_tfm *tfm) @@ -926,13 +1165,14 @@ static int safexcel_aead_sha1_cra_init(struct crypto_tfm *tfm) struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); safexcel_aead_cra_init(tfm); - ctx->alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA1; + ctx->hash_alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA1; ctx->state_sz = SHA1_DIGEST_SIZE; return 0; } struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_cbc_aes = { .type = SAFEXCEL_ALG_TYPE_AEAD, + .engines = EIP97IES | EIP197B | EIP197D, .alg.aead = { .setkey = safexcel_aead_aes_setkey, .encrypt = safexcel_aead_encrypt, @@ -943,7 +1183,7 @@ struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_cbc_aes = { .cra_name = "authenc(hmac(sha1),cbc(aes))", .cra_driver_name = "safexcel-authenc-hmac-sha1-cbc-aes", .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC | + .cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = AES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), @@ -960,13 +1200,14 @@ static int safexcel_aead_sha256_cra_init(struct crypto_tfm *tfm) struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); safexcel_aead_cra_init(tfm); - ctx->alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA256; + ctx->hash_alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA256; ctx->state_sz = SHA256_DIGEST_SIZE; return 0; } struct safexcel_alg_template safexcel_alg_authenc_hmac_sha256_cbc_aes = { .type = SAFEXCEL_ALG_TYPE_AEAD, + .engines = EIP97IES | EIP197B | EIP197D, .alg.aead = { .setkey = safexcel_aead_aes_setkey, .encrypt = safexcel_aead_encrypt, @@ -977,7 +1218,7 @@ struct safexcel_alg_template safexcel_alg_authenc_hmac_sha256_cbc_aes = { .cra_name = "authenc(hmac(sha256),cbc(aes))", .cra_driver_name = "safexcel-authenc-hmac-sha256-cbc-aes", .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC | + .cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = AES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), @@ -994,13 +1235,14 @@ static int safexcel_aead_sha224_cra_init(struct crypto_tfm *tfm) struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); safexcel_aead_cra_init(tfm); - ctx->alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA224; + ctx->hash_alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA224; ctx->state_sz = SHA256_DIGEST_SIZE; return 0; } struct safexcel_alg_template safexcel_alg_authenc_hmac_sha224_cbc_aes = { .type = SAFEXCEL_ALG_TYPE_AEAD, + .engines = EIP97IES | EIP197B | EIP197D, .alg.aead = { .setkey = safexcel_aead_aes_setkey, .encrypt = safexcel_aead_encrypt, @@ -1011,7 +1253,7 @@ struct safexcel_alg_template safexcel_alg_authenc_hmac_sha224_cbc_aes = { .cra_name = "authenc(hmac(sha224),cbc(aes))", .cra_driver_name = "safexcel-authenc-hmac-sha224-cbc-aes", .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC | + .cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY, .cra_blocksize = AES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), @@ -1022,3 +1264,73 @@ struct safexcel_alg_template safexcel_alg_authenc_hmac_sha224_cbc_aes = { }, }, }; + +static int safexcel_aead_sha512_cra_init(struct crypto_tfm *tfm) +{ + struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); + + safexcel_aead_cra_init(tfm); + ctx->hash_alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA512; + ctx->state_sz = SHA512_DIGEST_SIZE; + return 0; +} + +struct safexcel_alg_template safexcel_alg_authenc_hmac_sha512_cbc_aes = { + .type = SAFEXCEL_ALG_TYPE_AEAD, + .engines = EIP97IES | EIP197B | EIP197D, + .alg.aead = { + .setkey = safexcel_aead_aes_setkey, + .encrypt = safexcel_aead_encrypt, + .decrypt = safexcel_aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA512_DIGEST_SIZE, + .base = { + .cra_name = "authenc(hmac(sha512),cbc(aes))", + .cra_driver_name = "safexcel-authenc-hmac-sha512-cbc-aes", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, + .cra_blocksize = AES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), + .cra_alignmask = 0, + .cra_init = safexcel_aead_sha512_cra_init, + .cra_exit = safexcel_aead_cra_exit, + .cra_module = THIS_MODULE, + }, + }, +}; + +static int safexcel_aead_sha384_cra_init(struct crypto_tfm *tfm) +{ + struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); + + safexcel_aead_cra_init(tfm); + ctx->hash_alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA384; + ctx->state_sz = SHA512_DIGEST_SIZE; + return 0; +} + +struct safexcel_alg_template safexcel_alg_authenc_hmac_sha384_cbc_aes = { + .type = SAFEXCEL_ALG_TYPE_AEAD, + .engines = EIP97IES | EIP197B | EIP197D, + .alg.aead = { + .setkey = safexcel_aead_aes_setkey, + .encrypt = safexcel_aead_encrypt, + .decrypt = safexcel_aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA384_DIGEST_SIZE, + .base = { + .cra_name = "authenc(hmac(sha384),cbc(aes))", + .cra_driver_name = "safexcel-authenc-hmac-sha384-cbc-aes", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, + .cra_blocksize = AES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), + .cra_alignmask = 0, + .cra_init = safexcel_aead_sha384_cra_init, + .cra_exit = safexcel_aead_cra_exit, + .cra_module = THIS_MODULE, + }, + }, +}; |