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Miller" , Eric Biggers , linux-arm-kernel References: <20191024132345.5236-1-ard.biesheuvel@linaro.org> <20191024132345.5236-25-ard.biesheuvel@linaro.org> <74d5c30d-d842-5bdb-ebb8-2aa47ffb5e8d@c-s.fr> From: Christophe Leroy Message-ID: Date: Sun, 27 Oct 2019 14:05:33 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: fr Content-Transfer-Encoding: 8bit Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Le 27/10/2019 à 12:05, Ard Biesheuvel a écrit : > On Sun, 27 Oct 2019 at 11:45, Christophe Leroy wrote: >> >> >> >> Le 24/10/2019 à 15:23, Ard Biesheuvel a écrit : >>> Commit 7a7ffe65c8c5 ("crypto: skcipher - Add top-level skcipher interface") >>> dated 20 august 2015 introduced the new skcipher API which is supposed to >>> replace both blkcipher and ablkcipher. While all consumers of the API have >>> been converted long ago, some producers of the ablkcipher remain, forcing >>> us to keep the ablkcipher support routines alive, along with the matching >>> code to expose [a]blkciphers via the skcipher API. >>> >>> So switch this driver to the skcipher API, allowing us to finally drop the >>> blkcipher code in the near future. >>> >>> Signed-off-by: Ard Biesheuvel >> >> With this series, I get the following Oops at boot: >> > > Thanks for the report. > > Given that the series only modifies ablkcipher implementations, it is > rather curious that the crash occurs in ahash_init(). Can you confirm > that the crash does not occur with this patch reverted? Yes I confirm. You changed talitos_cra_init_ahash(). talitos_init_common() is not called anymore. I think that's the reason. Christophe > >> [ 3.715154] BUG: Kernel NULL pointer dereference at 0x00000084 >> [ 3.720721] Faulting instruction address: 0xc0348c9c >> [ 3.725641] Oops: Kernel access of bad area, sig: 11 [#1] >> [ 3.730981] BE PAGE_SIZE=16K PREEMPT CMPC885 >> [ 3.735223] CPU: 0 PID: 69 Comm: cryptomgr_test Tainted: G W >> 5.4.0-rc4-s3k-dev-00852-ga6dfc2456b41 #2442 >> [ 3.745858] NIP: c0348c9c LR: c021dd88 CTR: c0348c30 >> [ 3.750864] REGS: c6303be0 TRAP: 0300 Tainted: G W >> (5.4.0-rc4-s3k-dev-00852-ga6dfc2456b41) >> [ 3.760559] MSR: 00009032 CR: 24002202 XER: 00000000 >> [ 3.767192] DAR: 00000084 DSISR: c0000000 >> [ 3.767192] GPR00: c021dd88 c6303c98 c61c1e00 c6348800 c7fc1a40 >> 00000830 00000028 c7fc1a82 >> [ 3.767192] GPR08: 00000001 00000000 c7f90000 00000004 84002202 >> 00000000 c003b9b8 c62452e0 >> [ 3.767192] GPR16: c6339a00 c6348830 c06a7ee8 000000dc c6303d30 >> c6339930 c6348a00 c6303db0 >> [ 3.767192] GPR24: 00000010 00000400 c6348c00 c05b13c8 c05d6924 >> c6303cc0 00000000 c6348800 >> [ 3.804591] NIP [c0348c9c] ahash_init+0x6c/0x128 >> [ 3.809161] LR [c021dd88] do_ahash_op.isra.33+0x24/0x70 >> [ 3.814256] Call Trace: >> [ 3.816717] [c6303ca8] [c021dd88] do_ahash_op.isra.33+0x24/0x70 >> [ 3.822573] [c6303cb8] [c021ebc8] test_ahash_vec_cfg+0x238/0x5a8 >> [ 3.828514] [c6303da8] [c02215c8] __alg_test_hash.isra.38+0x16c/0x334 >> [ 3.834879] [c6303e08] [c022180c] alg_test_hash+0x7c/0x164 >> [ 3.840299] [c6303e28] [c0222168] alg_test+0xc0/0x384 >> [ 3.845288] [c6303ef8] [c021ce40] cryptomgr_test+0x48/0x50 >> [ 3.850705] [c6303f08] [c003ba98] kthread+0xe0/0x10c >> [ 3.855619] [c6303f38] [c000e1cc] ret_from_kernel_thread+0x14/0x1c >> [ 3.861675] Instruction dump: >> [ 3.864613] 5484ba74 814afff0 7c7f1b78 314affdf 7cc63110 54c60034 >> 38c60048 3d40c080 >> [ 3.872271] 814a8208 90c30078 7c8a2214 54a504be <815e0084> 0f090000 >> 2f8a0000 409e0058 >> >> Christophe >> >> >>> --- >>> drivers/crypto/talitos.c | 306 +++++++++----------- >>> 1 file changed, 142 insertions(+), 164 deletions(-) >>> >>> diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c >>> index bcd533671ccc..c29f8c02ea05 100644 >>> --- a/drivers/crypto/talitos.c >>> +++ b/drivers/crypto/talitos.c >>> @@ -35,7 +35,7 @@ >>> #include >>> #include >>> #include >>> -#include >>> +#include >>> #include >>> #include >>> #include >>> @@ -1490,10 +1490,10 @@ static int aead_decrypt(struct aead_request *req) >>> return ipsec_esp(edesc, req, false, ipsec_esp_decrypt_swauth_done); >>> } >>> >>> -static int ablkcipher_setkey(struct crypto_ablkcipher *cipher, >>> +static int skcipher_setkey(struct crypto_skcipher *cipher, >>> const u8 *key, unsigned int keylen) >>> { >>> - struct talitos_ctx *ctx = crypto_ablkcipher_ctx(cipher); >>> + struct talitos_ctx *ctx = crypto_skcipher_ctx(cipher); >>> struct device *dev = ctx->dev; >>> >>> if (ctx->keylen) >>> @@ -1507,39 +1507,39 @@ static int ablkcipher_setkey(struct crypto_ablkcipher *cipher, >>> return 0; >>> } >>> >>> -static int ablkcipher_des_setkey(struct crypto_ablkcipher *cipher, >>> +static int skcipher_des_setkey(struct crypto_skcipher *cipher, >>> const u8 *key, unsigned int keylen) >>> { >>> - return verify_ablkcipher_des_key(cipher, key) ?: >>> - ablkcipher_setkey(cipher, key, keylen); >>> + return verify_skcipher_des_key(cipher, key) ?: >>> + skcipher_setkey(cipher, key, keylen); >>> } >>> >>> -static int ablkcipher_des3_setkey(struct crypto_ablkcipher *cipher, >>> +static int skcipher_des3_setkey(struct crypto_skcipher *cipher, >>> const u8 *key, unsigned int keylen) >>> { >>> - return verify_ablkcipher_des3_key(cipher, key) ?: >>> - ablkcipher_setkey(cipher, key, keylen); >>> + return verify_skcipher_des3_key(cipher, key) ?: >>> + skcipher_setkey(cipher, key, keylen); >>> } >>> >>> -static int ablkcipher_aes_setkey(struct crypto_ablkcipher *cipher, >>> +static int skcipher_aes_setkey(struct crypto_skcipher *cipher, >>> const u8 *key, unsigned int keylen) >>> { >>> if (keylen == AES_KEYSIZE_128 || keylen == AES_KEYSIZE_192 || >>> keylen == AES_KEYSIZE_256) >>> - return ablkcipher_setkey(cipher, key, keylen); >>> + return skcipher_setkey(cipher, key, keylen); >>> >>> - crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN); >>> + crypto_skcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN); >>> >>> return -EINVAL; >>> } >>> >>> static void common_nonsnoop_unmap(struct device *dev, >>> struct talitos_edesc *edesc, >>> - struct ablkcipher_request *areq) >>> + struct skcipher_request *areq) >>> { >>> unmap_single_talitos_ptr(dev, &edesc->desc.ptr[5], DMA_FROM_DEVICE); >>> >>> - talitos_sg_unmap(dev, edesc, areq->src, areq->dst, areq->nbytes, 0); >>> + talitos_sg_unmap(dev, edesc, areq->src, areq->dst, areq->cryptlen, 0); >>> unmap_single_talitos_ptr(dev, &edesc->desc.ptr[1], DMA_TO_DEVICE); >>> >>> if (edesc->dma_len) >>> @@ -1547,20 +1547,20 @@ static void common_nonsnoop_unmap(struct device *dev, >>> DMA_BIDIRECTIONAL); >>> } >>> >>> -static void ablkcipher_done(struct device *dev, >>> +static void skcipher_done(struct device *dev, >>> struct talitos_desc *desc, void *context, >>> int err) >>> { >>> - struct ablkcipher_request *areq = context; >>> - struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(areq); >>> - struct talitos_ctx *ctx = crypto_ablkcipher_ctx(cipher); >>> - unsigned int ivsize = crypto_ablkcipher_ivsize(cipher); >>> + struct skcipher_request *areq = context; >>> + struct crypto_skcipher *cipher = crypto_skcipher_reqtfm(areq); >>> + struct talitos_ctx *ctx = crypto_skcipher_ctx(cipher); >>> + unsigned int ivsize = crypto_skcipher_ivsize(cipher); >>> struct talitos_edesc *edesc; >>> >>> edesc = container_of(desc, struct talitos_edesc, desc); >>> >>> common_nonsnoop_unmap(dev, edesc, areq); >>> - memcpy(areq->info, ctx->iv, ivsize); >>> + memcpy(areq->iv, ctx->iv, ivsize); >>> >>> kfree(edesc); >>> >>> @@ -1568,17 +1568,17 @@ static void ablkcipher_done(struct device *dev, >>> } >>> >>> static int common_nonsnoop(struct talitos_edesc *edesc, >>> - struct ablkcipher_request *areq, >>> + struct skcipher_request *areq, >>> void (*callback) (struct device *dev, >>> struct talitos_desc *desc, >>> void *context, int error)) >>> { >>> - struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(areq); >>> - struct talitos_ctx *ctx = crypto_ablkcipher_ctx(cipher); >>> + struct crypto_skcipher *cipher = crypto_skcipher_reqtfm(areq); >>> + struct talitos_ctx *ctx = crypto_skcipher_ctx(cipher); >>> struct device *dev = ctx->dev; >>> struct talitos_desc *desc = &edesc->desc; >>> - unsigned int cryptlen = areq->nbytes; >>> - unsigned int ivsize = crypto_ablkcipher_ivsize(cipher); >>> + unsigned int cryptlen = areq->cryptlen; >>> + unsigned int ivsize = crypto_skcipher_ivsize(cipher); >>> int sg_count, ret; >>> bool sync_needed = false; >>> struct talitos_private *priv = dev_get_drvdata(dev); >>> @@ -1638,65 +1638,65 @@ static int common_nonsnoop(struct talitos_edesc *edesc, >>> return ret; >>> } >>> >>> -static struct talitos_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request * >>> +static struct talitos_edesc *skcipher_edesc_alloc(struct skcipher_request * >>> areq, bool encrypt) >>> { >>> - struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(areq); >>> - struct talitos_ctx *ctx = crypto_ablkcipher_ctx(cipher); >>> - unsigned int ivsize = crypto_ablkcipher_ivsize(cipher); >>> + struct crypto_skcipher *cipher = crypto_skcipher_reqtfm(areq); >>> + struct talitos_ctx *ctx = crypto_skcipher_ctx(cipher); >>> + unsigned int ivsize = crypto_skcipher_ivsize(cipher); >>> >>> return talitos_edesc_alloc(ctx->dev, areq->src, areq->dst, >>> - areq->info, 0, areq->nbytes, 0, ivsize, 0, >>> + areq->iv, 0, areq->cryptlen, 0, ivsize, 0, >>> areq->base.flags, encrypt); >>> } >>> >>> -static int ablkcipher_encrypt(struct ablkcipher_request *areq) >>> +static int skcipher_encrypt(struct skcipher_request *areq) >>> { >>> - struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(areq); >>> - struct talitos_ctx *ctx = crypto_ablkcipher_ctx(cipher); >>> + struct crypto_skcipher *cipher = crypto_skcipher_reqtfm(areq); >>> + struct talitos_ctx *ctx = crypto_skcipher_ctx(cipher); >>> struct talitos_edesc *edesc; >>> unsigned int blocksize = >>> - crypto_tfm_alg_blocksize(crypto_ablkcipher_tfm(cipher)); >>> + crypto_tfm_alg_blocksize(crypto_skcipher_tfm(cipher)); >>> >>> - if (!areq->nbytes) >>> + if (!areq->cryptlen) >>> return 0; >>> >>> - if (areq->nbytes % blocksize) >>> + if (areq->cryptlen % blocksize) >>> return -EINVAL; >>> >>> /* allocate extended descriptor */ >>> - edesc = ablkcipher_edesc_alloc(areq, true); >>> + edesc = skcipher_edesc_alloc(areq, true); >>> if (IS_ERR(edesc)) >>> return PTR_ERR(edesc); >>> >>> /* set encrypt */ >>> edesc->desc.hdr = ctx->desc_hdr_template | DESC_HDR_MODE0_ENCRYPT; >>> >>> - return common_nonsnoop(edesc, areq, ablkcipher_done); >>> + return common_nonsnoop(edesc, areq, skcipher_done); >>> } >>> >>> -static int ablkcipher_decrypt(struct ablkcipher_request *areq) >>> +static int skcipher_decrypt(struct skcipher_request *areq) >>> { >>> - struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(areq); >>> - struct talitos_ctx *ctx = crypto_ablkcipher_ctx(cipher); >>> + struct crypto_skcipher *cipher = crypto_skcipher_reqtfm(areq); >>> + struct talitos_ctx *ctx = crypto_skcipher_ctx(cipher); >>> struct talitos_edesc *edesc; >>> unsigned int blocksize = >>> - crypto_tfm_alg_blocksize(crypto_ablkcipher_tfm(cipher)); >>> + crypto_tfm_alg_blocksize(crypto_skcipher_tfm(cipher)); >>> >>> - if (!areq->nbytes) >>> + if (!areq->cryptlen) >>> return 0; >>> >>> - if (areq->nbytes % blocksize) >>> + if (areq->cryptlen % blocksize) >>> return -EINVAL; >>> >>> /* allocate extended descriptor */ >>> - edesc = ablkcipher_edesc_alloc(areq, false); >>> + edesc = skcipher_edesc_alloc(areq, false); >>> if (IS_ERR(edesc)) >>> return PTR_ERR(edesc); >>> >>> edesc->desc.hdr = ctx->desc_hdr_template | DESC_HDR_DIR_INBOUND; >>> >>> - return common_nonsnoop(edesc, areq, ablkcipher_done); >>> + return common_nonsnoop(edesc, areq, skcipher_done); >>> } >>> >>> static void common_nonsnoop_hash_unmap(struct device *dev, >>> @@ -2257,7 +2257,7 @@ struct talitos_alg_template { >>> u32 type; >>> u32 priority; >>> union { >>> - struct crypto_alg crypto; >>> + struct skcipher_alg skcipher; >>> struct ahash_alg hash; >>> struct aead_alg aead; >>> } alg; >>> @@ -2702,123 +2702,102 @@ static struct talitos_alg_template driver_algs[] = { >>> DESC_HDR_MODE1_MDEU_PAD | >>> DESC_HDR_MODE1_MDEU_MD5_HMAC, >>> }, >>> - /* ABLKCIPHER algorithms. */ >>> - { .type = CRYPTO_ALG_TYPE_ABLKCIPHER, >>> - .alg.crypto = { >>> - .cra_name = "ecb(aes)", >>> - .cra_driver_name = "ecb-aes-talitos", >>> - .cra_blocksize = AES_BLOCK_SIZE, >>> - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | >>> - CRYPTO_ALG_ASYNC, >>> - .cra_ablkcipher = { >>> - .min_keysize = AES_MIN_KEY_SIZE, >>> - .max_keysize = AES_MAX_KEY_SIZE, >>> - .setkey = ablkcipher_aes_setkey, >>> - } >>> + /* SKCIPHER algorithms. */ >>> + { .type = CRYPTO_ALG_TYPE_SKCIPHER, >>> + .alg.skcipher = { >>> + .base.cra_name = "ecb(aes)", >>> + .base.cra_driver_name = "ecb-aes-talitos", >>> + .base.cra_blocksize = AES_BLOCK_SIZE, >>> + .base.cra_flags = CRYPTO_ALG_ASYNC, >>> + .min_keysize = AES_MIN_KEY_SIZE, >>> + .max_keysize = AES_MAX_KEY_SIZE, >>> + .setkey = skcipher_aes_setkey, >>> }, >>> .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU | >>> DESC_HDR_SEL0_AESU, >>> }, >>> - { .type = CRYPTO_ALG_TYPE_ABLKCIPHER, >>> - .alg.crypto = { >>> - .cra_name = "cbc(aes)", >>> - .cra_driver_name = "cbc-aes-talitos", >>> - .cra_blocksize = AES_BLOCK_SIZE, >>> - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | >>> - CRYPTO_ALG_ASYNC, >>> - .cra_ablkcipher = { >>> - .min_keysize = AES_MIN_KEY_SIZE, >>> - .max_keysize = AES_MAX_KEY_SIZE, >>> - .ivsize = AES_BLOCK_SIZE, >>> - .setkey = ablkcipher_aes_setkey, >>> - } >>> + { .type = CRYPTO_ALG_TYPE_SKCIPHER, >>> + .alg.skcipher = { >>> + .base.cra_name = "cbc(aes)", >>> + .base.cra_driver_name = "cbc-aes-talitos", >>> + .base.cra_blocksize = AES_BLOCK_SIZE, >>> + .base.cra_flags = CRYPTO_ALG_ASYNC, >>> + .min_keysize = AES_MIN_KEY_SIZE, >>> + .max_keysize = AES_MAX_KEY_SIZE, >>> + .ivsize = AES_BLOCK_SIZE, >>> + .setkey = skcipher_aes_setkey, >>> }, >>> .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU | >>> DESC_HDR_SEL0_AESU | >>> DESC_HDR_MODE0_AESU_CBC, >>> }, >>> - { .type = CRYPTO_ALG_TYPE_ABLKCIPHER, >>> - .alg.crypto = { >>> - .cra_name = "ctr(aes)", >>> - .cra_driver_name = "ctr-aes-talitos", >>> - .cra_blocksize = 1, >>> - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | >>> - CRYPTO_ALG_ASYNC, >>> - .cra_ablkcipher = { >>> - .min_keysize = AES_MIN_KEY_SIZE, >>> - .max_keysize = AES_MAX_KEY_SIZE, >>> - .ivsize = AES_BLOCK_SIZE, >>> - .setkey = ablkcipher_aes_setkey, >>> - } >>> + { .type = CRYPTO_ALG_TYPE_SKCIPHER, >>> + .alg.skcipher = { >>> + .base.cra_name = "ctr(aes)", >>> + .base.cra_driver_name = "ctr-aes-talitos", >>> + .base.cra_blocksize = 1, >>> + .base.cra_flags = CRYPTO_ALG_ASYNC, >>> + .min_keysize = AES_MIN_KEY_SIZE, >>> + .max_keysize = AES_MAX_KEY_SIZE, >>> + .ivsize = AES_BLOCK_SIZE, >>> + .setkey = skcipher_aes_setkey, >>> }, >>> .desc_hdr_template = DESC_HDR_TYPE_AESU_CTR_NONSNOOP | >>> DESC_HDR_SEL0_AESU | >>> DESC_HDR_MODE0_AESU_CTR, >>> }, >>> - { .type = CRYPTO_ALG_TYPE_ABLKCIPHER, >>> - .alg.crypto = { >>> - .cra_name = "ecb(des)", >>> - .cra_driver_name = "ecb-des-talitos", >>> - .cra_blocksize = DES_BLOCK_SIZE, >>> - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | >>> - CRYPTO_ALG_ASYNC, >>> - .cra_ablkcipher = { >>> - .min_keysize = DES_KEY_SIZE, >>> - .max_keysize = DES_KEY_SIZE, >>> - .setkey = ablkcipher_des_setkey, >>> - } >>> + { .type = CRYPTO_ALG_TYPE_SKCIPHER, >>> + .alg.skcipher = { >>> + .base.cra_name = "ecb(des)", >>> + .base.cra_driver_name = "ecb-des-talitos", >>> + .base.cra_blocksize = DES_BLOCK_SIZE, >>> + .base.cra_flags = CRYPTO_ALG_ASYNC, >>> + .min_keysize = DES_KEY_SIZE, >>> + .max_keysize = DES_KEY_SIZE, >>> + .setkey = skcipher_des_setkey, >>> }, >>> .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU | >>> DESC_HDR_SEL0_DEU, >>> }, >>> - { .type = CRYPTO_ALG_TYPE_ABLKCIPHER, >>> - .alg.crypto = { >>> - .cra_name = "cbc(des)", >>> - .cra_driver_name = "cbc-des-talitos", >>> - .cra_blocksize = DES_BLOCK_SIZE, >>> - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | >>> - CRYPTO_ALG_ASYNC, >>> - .cra_ablkcipher = { >>> - .min_keysize = DES_KEY_SIZE, >>> - .max_keysize = DES_KEY_SIZE, >>> - .ivsize = DES_BLOCK_SIZE, >>> - .setkey = ablkcipher_des_setkey, >>> - } >>> + { .type = CRYPTO_ALG_TYPE_SKCIPHER, >>> + .alg.skcipher = { >>> + .base.cra_name = "cbc(des)", >>> + .base.cra_driver_name = "cbc-des-talitos", >>> + .base.cra_blocksize = DES_BLOCK_SIZE, >>> + .base.cra_flags = CRYPTO_ALG_ASYNC, >>> + .min_keysize = DES_KEY_SIZE, >>> + .max_keysize = DES_KEY_SIZE, >>> + .ivsize = DES_BLOCK_SIZE, >>> + .setkey = skcipher_des_setkey, >>> }, >>> .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU | >>> DESC_HDR_SEL0_DEU | >>> DESC_HDR_MODE0_DEU_CBC, >>> }, >>> - { .type = CRYPTO_ALG_TYPE_ABLKCIPHER, >>> - .alg.crypto = { >>> - .cra_name = "ecb(des3_ede)", >>> - .cra_driver_name = "ecb-3des-talitos", >>> - .cra_blocksize = DES3_EDE_BLOCK_SIZE, >>> - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | >>> - CRYPTO_ALG_ASYNC, >>> - .cra_ablkcipher = { >>> - .min_keysize = DES3_EDE_KEY_SIZE, >>> - .max_keysize = DES3_EDE_KEY_SIZE, >>> - .setkey = ablkcipher_des3_setkey, >>> - } >>> + { .type = CRYPTO_ALG_TYPE_SKCIPHER, >>> + .alg.skcipher = { >>> + .base.cra_name = "ecb(des3_ede)", >>> + .base.cra_driver_name = "ecb-3des-talitos", >>> + .base.cra_blocksize = DES3_EDE_BLOCK_SIZE, >>> + .base.cra_flags = CRYPTO_ALG_ASYNC, >>> + .min_keysize = DES3_EDE_KEY_SIZE, >>> + .max_keysize = DES3_EDE_KEY_SIZE, >>> + .setkey = skcipher_des3_setkey, >>> }, >>> .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU | >>> DESC_HDR_SEL0_DEU | >>> DESC_HDR_MODE0_DEU_3DES, >>> }, >>> - { .type = CRYPTO_ALG_TYPE_ABLKCIPHER, >>> - .alg.crypto = { >>> - .cra_name = "cbc(des3_ede)", >>> - .cra_driver_name = "cbc-3des-talitos", >>> - .cra_blocksize = DES3_EDE_BLOCK_SIZE, >>> - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | >>> - CRYPTO_ALG_ASYNC, >>> - .cra_ablkcipher = { >>> - .min_keysize = DES3_EDE_KEY_SIZE, >>> - .max_keysize = DES3_EDE_KEY_SIZE, >>> - .ivsize = DES3_EDE_BLOCK_SIZE, >>> - .setkey = ablkcipher_des3_setkey, >>> - } >>> + { .type = CRYPTO_ALG_TYPE_SKCIPHER, >>> + .alg.skcipher = { >>> + .base.cra_name = "cbc(des3_ede)", >>> + .base.cra_driver_name = "cbc-3des-talitos", >>> + .base.cra_blocksize = DES3_EDE_BLOCK_SIZE, >>> + .base.cra_flags = CRYPTO_ALG_ASYNC, >>> + .min_keysize = DES3_EDE_KEY_SIZE, >>> + .max_keysize = DES3_EDE_KEY_SIZE, >>> + .ivsize = DES3_EDE_BLOCK_SIZE, >>> + .setkey = skcipher_des3_setkey, >>> }, >>> .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU | >>> DESC_HDR_SEL0_DEU | >>> @@ -3036,40 +3015,39 @@ static int talitos_init_common(struct talitos_ctx *ctx, >>> return 0; >>> } >>> >>> -static int talitos_cra_init(struct crypto_tfm *tfm) >>> +static int talitos_cra_init_aead(struct crypto_aead *tfm) >>> { >>> - struct crypto_alg *alg = tfm->__crt_alg; >>> + struct aead_alg *alg = crypto_aead_alg(tfm); >>> struct talitos_crypto_alg *talitos_alg; >>> - struct talitos_ctx *ctx = crypto_tfm_ctx(tfm); >>> + struct talitos_ctx *ctx = crypto_aead_ctx(tfm); >>> >>> - if ((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_AHASH) >>> - talitos_alg = container_of(__crypto_ahash_alg(alg), >>> - struct talitos_crypto_alg, >>> - algt.alg.hash); >>> - else >>> - talitos_alg = container_of(alg, struct talitos_crypto_alg, >>> - algt.alg.crypto); >>> + talitos_alg = container_of(alg, struct talitos_crypto_alg, >>> + algt.alg.aead); >>> >>> return talitos_init_common(ctx, talitos_alg); >>> } >>> >>> -static int talitos_cra_init_aead(struct crypto_aead *tfm) >>> +static int talitos_cra_init_skcipher(struct crypto_skcipher *tfm) >>> { >>> - struct aead_alg *alg = crypto_aead_alg(tfm); >>> + struct skcipher_alg *alg = crypto_skcipher_alg(tfm); >>> struct talitos_crypto_alg *talitos_alg; >>> - struct talitos_ctx *ctx = crypto_aead_ctx(tfm); >>> + struct talitos_ctx *ctx = crypto_skcipher_ctx(tfm); >>> >>> talitos_alg = container_of(alg, struct talitos_crypto_alg, >>> - algt.alg.aead); >>> + algt.alg.skcipher); >>> >>> return talitos_init_common(ctx, talitos_alg); >>> } >>> >>> static int talitos_cra_init_ahash(struct crypto_tfm *tfm) >>> { >>> + struct crypto_alg *alg = tfm->__crt_alg; >>> + struct talitos_crypto_alg *talitos_alg; >>> struct talitos_ctx *ctx = crypto_tfm_ctx(tfm); >>> >>> - talitos_cra_init(tfm); >>> + talitos_alg = container_of(__crypto_ahash_alg(alg), >>> + struct talitos_crypto_alg, >>> + algt.alg.hash); >>> >>> ctx->keylen = 0; >>> crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm), >>> @@ -3116,7 +3094,8 @@ static int talitos_remove(struct platform_device *ofdev) >>> >>> list_for_each_entry_safe(t_alg, n, &priv->alg_list, entry) { >>> switch (t_alg->algt.type) { >>> - case CRYPTO_ALG_TYPE_ABLKCIPHER: >>> + case CRYPTO_ALG_TYPE_SKCIPHER: >>> + crypto_unregister_skcipher(&t_alg->algt.alg.skcipher); >>> break; >>> case CRYPTO_ALG_TYPE_AEAD: >>> crypto_unregister_aead(&t_alg->algt.alg.aead); >>> @@ -3160,15 +3139,14 @@ static struct talitos_crypto_alg *talitos_alg_alloc(struct device *dev, >>> t_alg->algt = *template; >>> >>> switch (t_alg->algt.type) { >>> - case CRYPTO_ALG_TYPE_ABLKCIPHER: >>> - alg = &t_alg->algt.alg.crypto; >>> - alg->cra_init = talitos_cra_init; >>> + case CRYPTO_ALG_TYPE_SKCIPHER: >>> + alg = &t_alg->algt.alg.skcipher.base; >>> alg->cra_exit = talitos_cra_exit; >>> - alg->cra_type = &crypto_ablkcipher_type; >>> - alg->cra_ablkcipher.setkey = alg->cra_ablkcipher.setkey ?: >>> - ablkcipher_setkey; >>> - alg->cra_ablkcipher.encrypt = ablkcipher_encrypt; >>> - alg->cra_ablkcipher.decrypt = ablkcipher_decrypt; >>> + t_alg->algt.alg.skcipher.init = talitos_cra_init_skcipher; >>> + t_alg->algt.alg.skcipher.setkey = >>> + t_alg->algt.alg.skcipher.setkey ?: skcipher_setkey; >>> + t_alg->algt.alg.skcipher.encrypt = skcipher_encrypt; >>> + t_alg->algt.alg.skcipher.decrypt = skcipher_decrypt; >>> break; >>> case CRYPTO_ALG_TYPE_AEAD: >>> alg = &t_alg->algt.alg.aead.base; >>> @@ -3465,10 +3443,10 @@ static int talitos_probe(struct platform_device *ofdev) >>> } >>> >>> switch (t_alg->algt.type) { >>> - case CRYPTO_ALG_TYPE_ABLKCIPHER: >>> - err = crypto_register_alg( >>> - &t_alg->algt.alg.crypto); >>> - alg = &t_alg->algt.alg.crypto; >>> + case CRYPTO_ALG_TYPE_SKCIPHER: >>> + err = crypto_register_skcipher( >>> + &t_alg->algt.alg.skcipher); >>> + alg = &t_alg->algt.alg.skcipher.base; >>> break; >>> >>> case CRYPTO_ALG_TYPE_AEAD: >>>