diff options
Diffstat (limited to 'crypto')
-rw-r--r-- | crypto/Kconfig | 36 | ||||
-rw-r--r-- | crypto/Makefile | 4 | ||||
-rw-r--r-- | crypto/ahash.c | 7 | ||||
-rw-r--r-- | crypto/algboss.c | 4 | ||||
-rw-r--r-- | crypto/async_tx/Kconfig | 14 | ||||
-rw-r--r-- | crypto/async_tx/async_memcpy.c | 2 | ||||
-rw-r--r-- | crypto/authenc.c | 2 | ||||
-rw-r--r-- | crypto/blkcipher.c | 2 | ||||
-rw-r--r-- | crypto/cryptd.c | 206 | ||||
-rw-r--r-- | crypto/ctr.c | 2 | ||||
-rw-r--r-- | crypto/des_generic.c | 130 | ||||
-rw-r--r-- | crypto/pcrypt.c | 241 | ||||
-rw-r--r-- | crypto/testmgr.c | 14 | ||||
-rw-r--r-- | crypto/twofish_generic.c (renamed from crypto/twofish.c) | 1 | ||||
-rw-r--r-- | crypto/xts.c | 2 |
15 files changed, 520 insertions, 147 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig index 9d9434f08c9..e4bac29a32e 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -23,13 +23,12 @@ comment "Crypto core or helper" config CRYPTO_FIPS bool "FIPS 200 compliance" - depends on CRYPTO_ANSI_CPRNG + depends on CRYPTO_ANSI_CPRNG && !CRYPTO_MANAGER_DISABLE_TESTS help This options enables the fips boot option which is required if you want to system to operate in a FIPS 200 certification. You should say no unless you know what - this is. Note that CRYPTO_ANSI_CPRNG is required if this - option is selected + this is. config CRYPTO_ALGAPI tristate @@ -80,6 +79,11 @@ config CRYPTO_RNG2 config CRYPTO_PCOMP tristate + select CRYPTO_PCOMP2 + select CRYPTO_ALGAPI + +config CRYPTO_PCOMP2 + tristate select CRYPTO_ALGAPI2 config CRYPTO_MANAGER @@ -94,7 +98,15 @@ config CRYPTO_MANAGER2 select CRYPTO_AEAD2 select CRYPTO_HASH2 select CRYPTO_BLKCIPHER2 - select CRYPTO_PCOMP + select CRYPTO_PCOMP2 + +config CRYPTO_MANAGER_DISABLE_TESTS + bool "Disable run-time self tests" + default y + depends on CRYPTO_MANAGER2 + help + Disable run-time self tests that normally take place at + algorithm registration. config CRYPTO_GF128MUL tristate "GF(2^128) multiplication functions (EXPERIMENTAL)" @@ -352,7 +364,7 @@ config CRYPTO_RMD128 RIPEMD-160 should be used. Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. - See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> + See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> config CRYPTO_RMD160 tristate "RIPEMD-160 digest algorithm" @@ -369,7 +381,7 @@ config CRYPTO_RMD160 against RIPEMD-160. Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. - See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> + See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> config CRYPTO_RMD256 tristate "RIPEMD-256 digest algorithm" @@ -381,7 +393,7 @@ config CRYPTO_RMD256 (than RIPEMD-128). Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. - See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> + See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> config CRYPTO_RMD320 tristate "RIPEMD-320 digest algorithm" @@ -393,7 +405,7 @@ config CRYPTO_RMD320 (than RIPEMD-160). Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. - See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> + See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> config CRYPTO_SHA1 tristate "SHA1 digest algorithm" @@ -448,7 +460,7 @@ config CRYPTO_WP512 Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard See also: - <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html> + <http://www.larc.usp.br/~pbarreto/WhirlpoolPage.html> config CRYPTO_GHASH_CLMUL_NI_INTEL tristate "GHASH digest algorithm (CLMUL-NI accelerated)" @@ -566,8 +578,8 @@ config CRYPTO_ANUBIS in the NESSIE competition. See also: - <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/> - <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html> + <https://www.cosic.esat.kuleuven.be/nessie/reports/> + <http://www.larc.usp.br/~pbarreto/AnubisPage.html> config CRYPTO_ARC4 tristate "ARC4 cipher algorithm" @@ -646,7 +658,7 @@ config CRYPTO_KHAZAD on 32-bit processors. Khazad uses an 128 bit key size. See also: - <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html> + <http://www.larc.usp.br/~pbarreto/KhazadPage.html> config CRYPTO_SALSA20 tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)" diff --git a/crypto/Makefile b/crypto/Makefile index d7e6441df7f..423b7de61f9 100644 --- a/crypto/Makefile +++ b/crypto/Makefile @@ -26,7 +26,7 @@ crypto_hash-objs += ahash.o crypto_hash-objs += shash.o obj-$(CONFIG_CRYPTO_HASH2) += crypto_hash.o -obj-$(CONFIG_CRYPTO_PCOMP) += pcompress.o +obj-$(CONFIG_CRYPTO_PCOMP2) += pcompress.o cryptomgr-objs := algboss.o testmgr.o @@ -61,7 +61,7 @@ obj-$(CONFIG_CRYPTO_CRYPTD) += cryptd.o obj-$(CONFIG_CRYPTO_DES) += des_generic.o obj-$(CONFIG_CRYPTO_FCRYPT) += fcrypt.o obj-$(CONFIG_CRYPTO_BLOWFISH) += blowfish.o -obj-$(CONFIG_CRYPTO_TWOFISH) += twofish.o +obj-$(CONFIG_CRYPTO_TWOFISH) += twofish_generic.o obj-$(CONFIG_CRYPTO_TWOFISH_COMMON) += twofish_common.o obj-$(CONFIG_CRYPTO_SERPENT) += serpent.o obj-$(CONFIG_CRYPTO_AES) += aes_generic.o diff --git a/crypto/ahash.c b/crypto/ahash.c index b8c59b889c6..f669822a7a4 100644 --- a/crypto/ahash.c +++ b/crypto/ahash.c @@ -47,8 +47,11 @@ static int hash_walk_next(struct crypto_hash_walk *walk) walk->data = crypto_kmap(walk->pg, 0); walk->data += offset; - if (offset & alignmask) - nbytes = alignmask + 1 - (offset & alignmask); + if (offset & alignmask) { + unsigned int unaligned = alignmask + 1 - (offset & alignmask); + if (nbytes > unaligned) + nbytes = unaligned; + } walk->entrylen -= nbytes; return nbytes; diff --git a/crypto/algboss.c b/crypto/algboss.c index c3c196b5823..791d194958f 100644 --- a/crypto/algboss.c +++ b/crypto/algboss.c @@ -212,6 +212,10 @@ static int cryptomgr_test(void *data) u32 type = param->type; int err = 0; +#ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS + goto skiptest; +#endif + if (type & CRYPTO_ALG_TESTED) goto skiptest; diff --git a/crypto/async_tx/Kconfig b/crypto/async_tx/Kconfig index e28e276ac61..5de2ed13b35 100644 --- a/crypto/async_tx/Kconfig +++ b/crypto/async_tx/Kconfig @@ -22,6 +22,20 @@ config ASYNC_RAID6_RECOV tristate select ASYNC_CORE select ASYNC_PQ + select ASYNC_XOR + +config ASYNC_RAID6_TEST + tristate "Self test for hardware accelerated raid6 recovery" + depends on ASYNC_RAID6_RECOV + select ASYNC_MEMCPY + ---help--- + This is a one-shot self test that permutes through the + recovery of all the possible two disk failure scenarios for a + N-disk array. Recovery is performed with the asynchronous + raid6 recovery routines, and will optionally use an offload + engine if one is available. + + If unsure, say N. config ASYNC_TX_DISABLE_PQ_VAL_DMA bool diff --git a/crypto/async_tx/async_memcpy.c b/crypto/async_tx/async_memcpy.c index 0ec1fb69d4e..518c22bd956 100644 --- a/crypto/async_tx/async_memcpy.c +++ b/crypto/async_tx/async_memcpy.c @@ -83,8 +83,8 @@ async_memcpy(struct page *dest, struct page *src, unsigned int dest_offset, memcpy(dest_buf, src_buf, len); - kunmap_atomic(dest_buf, KM_USER0); kunmap_atomic(src_buf, KM_USER1); + kunmap_atomic(dest_buf, KM_USER0); async_tx_sync_epilog(submit); } diff --git a/crypto/authenc.c b/crypto/authenc.c index b9884ee0adb..a5a22cfcd07 100644 --- a/crypto/authenc.c +++ b/crypto/authenc.c @@ -616,7 +616,7 @@ static struct crypto_instance *crypto_authenc_alloc(struct rtattr **tb) auth = ahash_attr_alg(tb[1], CRYPTO_ALG_TYPE_HASH, CRYPTO_ALG_TYPE_AHASH_MASK); if (IS_ERR(auth)) - return ERR_PTR(PTR_ERR(auth)); + return ERR_CAST(auth); auth_base = &auth->base; diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c index 90d26c91f4e..7a7219266e3 100644 --- a/crypto/blkcipher.c +++ b/crypto/blkcipher.c @@ -89,9 +89,9 @@ static inline unsigned int blkcipher_done_fast(struct blkcipher_walk *walk, memcpy(walk->dst.virt.addr, walk->page, n); blkcipher_unmap_dst(walk); } else if (!(walk->flags & BLKCIPHER_WALK_PHYS)) { - blkcipher_unmap_src(walk); if (walk->flags & BLKCIPHER_WALK_DIFF) blkcipher_unmap_dst(walk); + blkcipher_unmap_src(walk); } scatterwalk_advance(&walk->in, n); diff --git a/crypto/cryptd.c b/crypto/cryptd.c index ef71318976c..e46d21ae26b 100644 --- a/crypto/cryptd.c +++ b/crypto/cryptd.c @@ -3,6 +3,13 @@ * * Copyright (c) 2006 Herbert Xu <herbert@gondor.apana.org.au> * + * Added AEAD support to cryptd. + * Authors: Tadeusz Struk (tadeusz.struk@intel.com) + * Adrian Hoban <adrian.hoban@intel.com> + * Gabriele Paoloni <gabriele.paoloni@intel.com> + * Aidan O'Mahony (aidan.o.mahony@intel.com) + * Copyright (c) 2010, Intel Corporation. + * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation; either version 2 of the License, or (at your option) @@ -12,6 +19,7 @@ #include <crypto/algapi.h> #include <crypto/internal/hash.h> +#include <crypto/internal/aead.h> #include <crypto/cryptd.h> #include <crypto/crypto_wq.h> #include <linux/err.h> @@ -44,6 +52,11 @@ struct hashd_instance_ctx { struct cryptd_queue *queue; }; +struct aead_instance_ctx { + struct crypto_aead_spawn aead_spawn; + struct cryptd_queue *queue; +}; + struct cryptd_blkcipher_ctx { struct crypto_blkcipher *child; }; @@ -61,6 +74,14 @@ struct cryptd_hash_request_ctx { struct shash_desc desc; }; +struct cryptd_aead_ctx { + struct crypto_aead *child; +}; + +struct cryptd_aead_request_ctx { + crypto_completion_t complete; +}; + static void cryptd_queue_worker(struct work_struct *work); static int cryptd_init_queue(struct cryptd_queue *queue, @@ -601,6 +622,144 @@ out_put_alg: return err; } +static void cryptd_aead_crypt(struct aead_request *req, + struct crypto_aead *child, + int err, + int (*crypt)(struct aead_request *req)) +{ + struct cryptd_aead_request_ctx *rctx; + rctx = aead_request_ctx(req); + + if (unlikely(err == -EINPROGRESS)) + goto out; + aead_request_set_tfm(req, child); + err = crypt( req ); + req->base.complete = rctx->complete; +out: + local_bh_disable(); + rctx->complete(&req->base, err); + local_bh_enable(); +} + +static void cryptd_aead_encrypt(struct crypto_async_request *areq, int err) +{ + struct cryptd_aead_ctx *ctx = crypto_tfm_ctx(areq->tfm); + struct crypto_aead *child = ctx->child; + struct aead_request *req; + + req = container_of(areq, struct aead_request, base); + cryptd_aead_crypt(req, child, err, crypto_aead_crt(child)->encrypt); +} + +static void cryptd_aead_decrypt(struct crypto_async_request *areq, int err) +{ + struct cryptd_aead_ctx *ctx = crypto_tfm_ctx(areq->tfm); + struct crypto_aead *child = ctx->child; + struct aead_request *req; + + req = container_of(areq, struct aead_request, base); + cryptd_aead_crypt(req, child, err, crypto_aead_crt(child)->decrypt); +} + +static int cryptd_aead_enqueue(struct aead_request *req, + crypto_completion_t complete) +{ + struct cryptd_aead_request_ctx *rctx = aead_request_ctx(req); + struct crypto_aead *tfm = crypto_aead_reqtfm(req); + struct cryptd_queue *queue = cryptd_get_queue(crypto_aead_tfm(tfm)); + + rctx->complete = req->base.complete; + req->base.complete = complete; + return cryptd_enqueue_request(queue, &req->base); +} + +static int cryptd_aead_encrypt_enqueue(struct aead_request *req) +{ + return cryptd_aead_enqueue(req, cryptd_aead_encrypt ); +} + +static int cryptd_aead_decrypt_enqueue(struct aead_request *req) +{ + return cryptd_aead_enqueue(req, cryptd_aead_decrypt ); +} + +static int cryptd_aead_init_tfm(struct crypto_tfm *tfm) +{ + struct crypto_instance *inst = crypto_tfm_alg_instance(tfm); + struct aead_instance_ctx *ictx = crypto_instance_ctx(inst); + struct crypto_aead_spawn *spawn = &ictx->aead_spawn; + struct cryptd_aead_ctx *ctx = crypto_tfm_ctx(tfm); + struct crypto_aead *cipher; + + cipher = crypto_spawn_aead(spawn); + if (IS_ERR(cipher)) + return PTR_ERR(cipher); + + crypto_aead_set_flags(cipher, CRYPTO_TFM_REQ_MAY_SLEEP); + ctx->child = cipher; + tfm->crt_aead.reqsize = sizeof(struct cryptd_aead_request_ctx); + return 0; +} + +static void cryptd_aead_exit_tfm(struct crypto_tfm *tfm) +{ + struct cryptd_aead_ctx *ctx = crypto_tfm_ctx(tfm); + crypto_free_aead(ctx->child); +} + +static int cryptd_create_aead(struct crypto_template *tmpl, + struct rtattr **tb, + struct cryptd_queue *queue) +{ + struct aead_instance_ctx *ctx; + struct crypto_instance *inst; + struct crypto_alg *alg; + int err; + + alg = crypto_get_attr_alg(tb, CRYPTO_ALG_TYPE_AEAD, + CRYPTO_ALG_TYPE_MASK); + if (IS_ERR(alg)) + return PTR_ERR(alg); + + inst = cryptd_alloc_instance(alg, 0, sizeof(*ctx)); + err = PTR_ERR(inst); + if (IS_ERR(inst)) + goto out_put_alg; + + ctx = crypto_instance_ctx(inst); + ctx->queue = queue; + + err = crypto_init_spawn(&ctx->aead_spawn.base, alg, inst, + CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC); + if (err) + goto out_free_inst; + + inst->alg.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC; + inst->alg.cra_type = alg->cra_type; + inst->alg.cra_ctxsize = sizeof(struct cryptd_aead_ctx); + inst->alg.cra_init = cryptd_aead_init_tfm; + inst->alg.cra_exit = cryptd_aead_exit_tfm; + inst->alg.cra_aead.setkey = alg->cra_aead.setkey; + inst->alg.cra_aead.setauthsize = alg->cra_aead.setauthsize; + inst->alg.cra_aead.geniv = alg->cra_aead.geniv; + inst->alg.cra_aead.ivsize = alg->cra_aead.ivsize; + inst->alg.cra_aead.maxauthsize = alg->cra_aead.maxauthsize; + inst->alg.cra_aead.encrypt = cryptd_aead_encrypt_enqueue; + inst->alg.cra_aead.decrypt = cryptd_aead_decrypt_enqueue; + inst->alg.cra_aead.givencrypt = alg->cra_aead.givencrypt; + inst->alg.cra_aead.givdecrypt = alg->cra_aead.givdecrypt; + + err = crypto_register_instance(tmpl, inst); + if (err) { + crypto_drop_spawn(&ctx->aead_spawn.base); +out_free_inst: + kfree(inst); + } +out_put_alg: + crypto_mod_put(alg); + return err; +} + static struct cryptd_queue queue; static int cryptd_create(struct crypto_template *tmpl, struct rtattr **tb) @@ -616,6 +775,8 @@ static int cryptd_create(struct crypto_template *tmpl, struct rtattr **tb) return cryptd_create_blkcipher(tmpl, tb, &queue); case CRYPTO_ALG_TYPE_DIGEST: return cryptd_create_hash(tmpl, tb, &queue); + case CRYPTO_ALG_TYPE_AEAD: + return cryptd_create_aead(tmpl, tb, &queue); } return -EINVAL; @@ -625,16 +786,21 @@ static void cryptd_free(struct crypto_instance *inst) { struct cryptd_instance_ctx *ctx = crypto_instance_ctx(inst); struct hashd_instance_ctx *hctx = crypto_instance_ctx(inst); + struct aead_instance_ctx *aead_ctx = crypto_instance_ctx(inst); switch (inst->alg.cra_flags & CRYPTO_ALG_TYPE_MASK) { case CRYPTO_ALG_TYPE_AHASH: crypto_drop_shash(&hctx->spawn); kfree(ahash_instance(inst)); return; + case CRYPTO_ALG_TYPE_AEAD: + crypto_drop_spawn(&aead_ctx->aead_spawn.base); + kfree(inst); + return; + default: + crypto_drop_spawn(&ctx->spawn); + kfree(inst); } - - crypto_drop_spawn(&ctx->spawn); - kfree(inst); } static struct crypto_template cryptd_tmpl = { @@ -724,6 +890,40 @@ void cryptd_free_ahash(struct cryptd_ahash *tfm) } EXPORT_SYMBOL_GPL(cryptd_free_ahash); +struct cryptd_aead *cryptd_alloc_aead(const char *alg_name, + u32 type, u32 mask) +{ + char cryptd_alg_name[CRYPTO_MAX_ALG_NAME]; + struct crypto_aead *tfm; + + if (snprintf(cryptd_alg_name, CRYPTO_MAX_ALG_NAME, + "cryptd(%s)", alg_name) >= CRYPTO_MAX_ALG_NAME) + return ERR_PTR(-EINVAL); + tfm = crypto_alloc_aead(cryptd_alg_name, type, mask); + if (IS_ERR(tfm)) + return ERR_CAST(tfm); + if (tfm->base.__crt_alg->cra_module != THIS_MODULE) { + crypto_free_aead(tfm); + return ERR_PTR(-EINVAL); + } + return __cryptd_aead_cast(tfm); +} +EXPORT_SYMBOL_GPL(cryptd_alloc_aead); + +struct crypto_aead *cryptd_aead_child(struct cryptd_aead *tfm) +{ + struct cryptd_aead_ctx *ctx; + ctx = crypto_aead_ctx(&tfm->base); + return ctx->child; +} +EXPORT_SYMBOL_GPL(cryptd_aead_child); + +void cryptd_free_aead(struct cryptd_aead *tfm) +{ + crypto_free_aead(&tfm->base); +} +EXPORT_SYMBOL_GPL(cryptd_free_aead); + static int __init cryptd_init(void) { int err; diff --git a/crypto/ctr.c b/crypto/ctr.c index 6c3bfabb9d1..4ca7222cfeb 100644 --- a/crypto/ctr.c +++ b/crypto/ctr.c @@ -185,7 +185,7 @@ static struct crypto_instance *crypto_ctr_alloc(struct rtattr **tb) alg = crypto_attr_alg(tb[1], CRYPTO_ALG_TYPE_CIPHER, CRYPTO_ALG_TYPE_MASK); if (IS_ERR(alg)) - return ERR_PTR(PTR_ERR(alg)); + return ERR_CAST(alg); /* Block size must be >= 4 bytes. */ err = -EINVAL; diff --git a/crypto/des_generic.c b/crypto/des_generic.c index 249f903cc45..873818d48e8 100644 --- a/crypto/des_generic.c +++ b/crypto/des_generic.c @@ -614,7 +614,7 @@ static const u32 S8[64] = { #define T3(x) pt[2 * (x) + 2] #define T4(x) pt[2 * (x) + 3] -#define PC2(a, b, c, d) (T4(d) | T3(c) | T2(b) | T1(a)) +#define DES_PC2(a, b, c, d) (T4(d) | T3(c) | T2(b) | T1(a)) /* * Encryption key expansion @@ -639,22 +639,22 @@ unsigned long des_ekey(u32 *pe, const u8 *k) b = k[6]; b &= 0x0e; b <<= 4; b |= k[2] & 0x1e; b = pc1[b]; a = k[7]; a &= 0x0e; a <<= 4; a |= k[3] & 0x1e; a = pc1[a]; - pe[15 * 2 + 0] = PC2(a, b, c, d); d = rs[d]; - pe[14 * 2 + 0] = PC2(d, a, b, c); c = rs[c]; b = rs[b]; - pe[13 * 2 + 0] = PC2(b, c, d, a); a = rs[a]; d = rs[d]; - pe[12 * 2 + 0] = PC2(d, a, b, c); c = rs[c]; b = rs[b]; - pe[11 * 2 + 0] = PC2(b, c, d, a); a = rs[a]; d = rs[d]; - pe[10 * 2 + 0] = PC2(d, a, b, c); c = rs[c]; b = rs[b]; - pe[ 9 * 2 + 0] = PC2(b, c, d, a); a = rs[a]; d = rs[d]; - pe[ 8 * 2 + 0] = PC2(d, a, b, c); c = rs[c]; - pe[ 7 * 2 + 0] = PC2(c, d, a, b); b = rs[b]; a = rs[a]; - pe[ 6 * 2 + 0] = PC2(a, b, c, d); d = rs[d]; c = rs[c]; - pe[ 5 * 2 + 0] = PC2(c, d, a, b); b = rs[b]; a = rs[a]; - pe[ 4 * 2 + 0] = PC2(a, b, c, d); d = rs[d]; c = rs[c]; - pe[ 3 * 2 + 0] = PC2(c, d, a, b); b = rs[b]; a = rs[a]; - pe[ 2 * 2 + 0] = PC2(a, b, c, d); d = rs[d]; c = rs[c]; - pe[ 1 * 2 + 0] = PC2(c, d, a, b); b = rs[b]; - pe[ 0 * 2 + 0] = PC2(b, c, d, a); + pe[15 * 2 + 0] = DES_PC2(a, b, c, d); d = rs[d]; + pe[14 * 2 + 0] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b]; + pe[13 * 2 + 0] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d]; + pe[12 * 2 + 0] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b]; + pe[11 * 2 + 0] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d]; + pe[10 * 2 + 0] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b]; + pe[ 9 * 2 + 0] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d]; + pe[ 8 * 2 + 0] = DES_PC2(d, a, b, c); c = rs[c]; + pe[ 7 * 2 + 0] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a]; + pe[ 6 * 2 + 0] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c]; + pe[ 5 * 2 + 0] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a]; + pe[ 4 * 2 + 0] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c]; + pe[ 3 * 2 + 0] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a]; + pe[ 2 * 2 + 0] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c]; + pe[ 1 * 2 + 0] = DES_PC2(c, d, a, b); b = rs[b]; + pe[ 0 * 2 + 0] = DES_PC2(b, c, d, a); /* Check if first half is weak */ w = (a ^ c) | (b ^ d) | (rs[a] ^ c) | (b ^ rs[d]); @@ -670,22 +670,22 @@ unsigned long des_ekey(u32 *pe, const u8 *k) /* Check if second half is weak */ w |= (a ^ c) | (b ^ d) | (rs[a] ^ c) | (b ^ rs[d]); - pe[15 * 2 + 1] = PC2(a, b, c, d); d = rs[d]; - pe[14 * 2 + 1] = PC2(d, a, b, c); c = rs[c]; b = rs[b]; - pe[13 * 2 + 1] = PC2(b, c, d, a); a = rs[a]; d = rs[d]; - pe[12 * 2 + 1] = PC2(d, a, b, c); c = rs[c]; b = rs[b]; - pe[11 * 2 + 1] = PC2(b, c, d, a); a = rs[a]; d = rs[d]; - pe[10 * 2 + 1] = PC2(d, a, b, c); c = rs[c]; b = rs[b]; - pe[ 9 * 2 + 1] = PC2(b, c, d, a); a = rs[a]; d = rs[d]; - pe[ 8 * 2 + 1] = PC2(d, a, b, c); c = rs[c]; - pe[ 7 * 2 + 1] = PC2(c, d, a, b); b = rs[b]; a = rs[a]; - pe[ 6 * 2 + 1] = PC2(a, b, c, d); d = rs[d]; c = rs[c]; - pe[ 5 * 2 + 1] = PC2(c, d, a, b); b = rs[b]; a = rs[a]; - pe[ 4 * 2 + 1] = PC2(a, b, c, d); d = rs[d]; c = rs[c]; - pe[ 3 * 2 + 1] = PC2(c, d, a, b); b = rs[b]; a = rs[a]; - pe[ 2 * 2 + 1] = PC2(a, b, c, d); d = rs[d]; c = rs[c]; - pe[ 1 * 2 + 1] = PC2(c, d, a, b); b = rs[b]; - pe[ 0 * 2 + 1] = PC2(b, c, d, a); + pe[15 * 2 + 1] = DES_PC2(a, b, c, d); d = rs[d]; + pe[14 * 2 + 1] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b]; + pe[13 * 2 + 1] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d]; + pe[12 * 2 + 1] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b]; + pe[11 * 2 + 1] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d]; + pe[10 * 2 + 1] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b]; + pe[ 9 * 2 + 1] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d]; + pe[ 8 * 2 + 1] = DES_PC2(d, a, b, c); c = rs[c]; + pe[ 7 * 2 + 1] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a]; + pe[ 6 * 2 + 1] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c]; + pe[ 5 * 2 + 1] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a]; + pe[ 4 * 2 + 1] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c]; + pe[ 3 * 2 + 1] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a]; + pe[ 2 * 2 + 1] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c]; + pe[ 1 * 2 + 1] = DES_PC2(c, d, a, b); b = rs[b]; + pe[ 0 * 2 + 1] = DES_PC2(b, c, d, a); /* Fixup: 2413 5768 -> 1357 2468 */ for (d = 0; d < 16; ++d) { @@ -722,22 +722,22 @@ static void dkey(u32 *pe, const u8 *k) b = k[6]; b &= 0x0e; b <<= 4; b |= k[2] & 0x1e; b = pc1[b]; a = k[7]; a &= 0x0e; a <<= 4; a |= k[3] & 0x1e; a = pc1[a]; - pe[ 0 * 2] = PC2(a, b, c, d); d = rs[d]; - pe[ 1 * 2] = PC2(d, a, b, c); c = rs[c]; b = rs[b]; - pe[ 2 * 2] = PC2(b, c, d, a); a = rs[a]; d = rs[d]; - pe[ 3 * 2] = PC2(d, a, b, c); c = rs[c]; b = rs[b]; - pe[ 4 * 2] = PC2(b, c, d, a); a = rs[a]; d = rs[d]; - pe[ 5 * 2] = PC2(d, a, b, c); c = rs[c]; b = rs[b]; - pe[ 6 * 2] = PC2(b, c, d, a); a = rs[a]; d = rs[d]; - pe[ 7 * 2] = PC2(d, a, b, c); c = rs[c]; - pe[ 8 * 2] = PC2(c, d, a, b); b = rs[b]; a = rs[a]; - pe[ 9 * 2] = PC2(a, b, c, d); d = rs[d]; c = rs[c]; - pe[10 * 2] = PC2(c, d, a, b); b = rs[b]; a = rs[a]; - pe[11 * 2] = PC2(a, b, c, d); d = rs[d]; c = rs[c]; - pe[12 * 2] = PC2(c, d, a, b); b = rs[b]; a = rs[a]; - pe[13 * 2] = PC2(a, b, c, d); d = rs[d]; c = rs[c]; - pe[14 * 2] = PC2(c, d, a, b); b = rs[b]; - pe[15 * 2] = PC2(b, c, d, a); + pe[ 0 * 2] = DES_PC2(a, b, c, d); d = rs[d]; + pe[ 1 * 2] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b]; + pe[ 2 * 2] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d]; + pe[ 3 * 2] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b]; + pe[ 4 * 2] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d]; + pe[ 5 * 2] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b]; + pe[ 6 * 2] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d]; + pe[ 7 * 2] = DES_PC2(d, a, b, c); c = rs[c]; + pe[ 8 * 2] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a]; + pe[ 9 * 2] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c]; + pe[10 * 2] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a]; + pe[11 * 2] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c]; + pe[12 * 2] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a]; + pe[13 * 2] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c]; + pe[14 * 2] = DES_PC2(c, d, a, b); b = rs[b]; + pe[15 * 2] = DES_PC2(b, c, d, a); /* Skip to next table set */ pt += 512; @@ -747,22 +747,22 @@ static void dkey(u32 *pe, const u8 *k) b = k[2]; b &= 0xe0; b >>= 4; b |= k[6] & 0xf0; b = pc1[b + 1]; a = k[3]; a &= 0xe0; a >>= 4; a |= k[7] & 0xf0; a = pc1[a + 1]; - pe[ 0 * 2 + 1] = PC2(a, b, c, d); d = rs[d]; - pe[ 1 * 2 + 1] = PC2(d, a, b, c); c = rs[c]; b = rs[b]; - pe[ 2 * 2 + 1] = PC2(b, c, d, a); a = rs[a]; d = rs[d]; - pe[ 3 * 2 + 1] = PC2(d, a, b, c); c = rs[c]; b = rs[b]; - pe[ 4 * 2 + 1] = PC2(b, c, d, a); a = rs[a]; d = rs[d]; - pe[ 5 * 2 + 1] = PC2(d, a, b, c); c = rs[c]; b = rs[b]; - pe[ 6 * 2 + 1] = PC2(b, c, d, a); a = rs[a]; d = rs[d]; - pe[ 7 * 2 + 1] = PC2(d, a, b, c); c = rs[c]; - pe[ 8 * 2 + 1] = PC2(c, d, a, b); b = rs[b]; a = rs[a]; - pe[ 9 * 2 + 1] = PC2(a, b, c, d); d = rs[d]; c = rs[c]; - pe[10 * 2 + 1] = PC2(c, d, a, b); b = rs[b]; a = rs[a]; - pe[11 * 2 + 1] = PC2(a, b, c, d); d = rs[d]; c = rs[c]; - pe[12 * 2 + 1] = PC2(c, d, a, b); b = rs[b]; a = rs[a]; - pe[13 * 2 + 1] = PC2(a, b, c, d); d = rs[d]; c = rs[c]; - pe[14 * 2 + 1] = PC2(c, d, a, b); b = rs[b]; - pe[15 * 2 + 1] = PC2(b, c, d, a); + pe[ 0 * 2 + 1] = DES_PC2(a, b, c, d); d = rs[d]; + pe[ 1 * 2 + 1] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b]; + pe[ 2 * 2 + 1] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d]; + pe[ 3 * 2 + 1] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b]; + pe[ 4 * 2 + 1] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d]; + pe[ 5 * 2 + 1] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b]; + pe[ 6 * 2 + 1] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d]; + pe[ 7 * 2 + 1] = DES_PC2(d, a, b, c); c = rs[c]; + pe[ 8 * 2 + 1] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a]; + pe[ 9 * 2 + 1] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c]; + pe[10 * 2 + 1] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a]; + pe[11 * 2 + 1] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c]; + pe[12 * 2 + 1] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a]; + pe[13 * 2 + 1] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c]; + pe[14 * 2 + 1] = DES_PC2(c, d, a, b); b = rs[b]; + pe[15 * 2 + 1] = DES_PC2(b, c, d, a); /* Fixup: 2413 5768 -> 1357 2468 */ for (d = 0; d < 16; ++d) { diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c index 247178cb98e..de3078215fe 100644 --- a/crypto/pcrypt.c +++ b/crypto/pcrypt.c @@ -24,12 +24,40 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/slab.h> +#include <linux/notifier.h> +#include <linux/kobject.h> +#include <linux/cpu.h> #include <crypto/pcrypt.h> -static struct padata_instance *pcrypt_enc_padata; -static struct padata_instance *pcrypt_dec_padata; -static struct workqueue_struct *encwq; -static struct workqueue_struct *decwq; +struct padata_pcrypt { + struct padata_instance *pinst; + struct workqueue_struct *wq; + + /* + * Cpumask for callback CPUs. It should be + * equal to serial cpumask of corresponding padata instance, + * so it is updated when padata notifies us about serial + * cpumask change. + * + * cb_cpumask is protected by RCU. This fact prevents us from + * using cpumask_var_t directly because the actual type of + * cpumsak_var_t depends on kernel configuration(particularly on + * CONFIG_CPUMASK_OFFSTACK macro). Depending on the configuration + * cpumask_var_t may be either a pointer to the struct cpumask + * or a variable allocated on the stack. Thus we can not safely use + * cpumask_var_t with RCU operations such as rcu_assign_pointer or + * rcu_dereference. So cpumask_var_t is wrapped with struct + * pcrypt_cpumask which makes possible to use it with RCU. + */ + struct pcrypt_cpumask { + cpumask_var_t mask; + } *cb_cpumask; + struct notifier_block nblock; +}; + +static struct padata_pcrypt pencrypt; +static struct padata_pcrypt pdecrypt; +static struct kset *pcrypt_kset; struct pcrypt_instance_ctx { struct crypto_spawn spawn; @@ -42,25 +70,32 @@ struct pcrypt_aead_ctx { }; static int pcrypt_do_parallel(struct padata_priv *padata, unsigned int *cb_cpu, - struct padata_instance *pinst) + struct padata_pcrypt *pcrypt) { unsigned int cpu_index, cpu, i; + struct pcrypt_cpumask *cpumask; cpu = *cb_cpu; - if (cpumask_test_cpu(cpu, cpu_active_mask)) + rcu_read_lock_bh(); + cpumask = rcu_dereference(pcrypt->cb_cpumask); + if (cpumask_test_cpu(cpu, cpumask->mask)) + goto out; + + if (!cpumask_weight(cpumask->mask)) goto out; - cpu_index = cpu % cpumask_weight(cpu_active_mask); + cpu_index = cpu % cpumask_weight(cpumask->mask); - cpu = cpumask_first(cpu_active_mask); + cpu = cpumask_first(cpumask->mask); for (i = 0; i < cpu_index; i++) - cpu = cpumask_next(cpu, cpu_active_mask); + cpu = cpumask_next(cpu, cpumask->mask); *cb_cpu = cpu; out: - return padata_do_parallel(pinst, padata, cpu); + rcu_read_unlock_bh(); + return padata_do_parallel(pcrypt->pinst, padata, cpu); } static int pcrypt_aead_setkey(struct crypto_aead *parent, @@ -142,11 +177,9 @@ static int pcrypt_aead_encrypt(struct aead_request *req) req->cryptlen, req->iv); aead_request_set_assoc(creq, req->assoc, req->assoclen); - err = pcrypt_do_parallel(padata, &ctx->cb_cpu, pcrypt_enc_padata); - if (err) - return err; - else - err = crypto_aead_encrypt(creq); + err = pcrypt_do_parallel(padata, &ctx->cb_cpu, &pencrypt); + if (!err) + return -EINPROGRESS; return err; } @@ -186,11 +219,9 @@ static int pcrypt_aead_decrypt(struct aead_request *req) req->cryptlen, req->iv); aead_request_set_assoc(creq, req->assoc, req->assoclen); - err = pcrypt_do_parallel(padata, &ctx->cb_cpu, pcrypt_dec_padata); - if (err) - return err; - else - err = crypto_aead_decrypt(creq); + err = pcrypt_do_parallel(padata, &ctx->cb_cpu, &pdecrypt); + if (!err) + return -EINPROGRESS; return err; } @@ -232,11 +263,9 @@ static int pcrypt_aead_givencrypt(struct aead_givcrypt_request *req) aead_givcrypt_set_assoc(creq, areq->assoc, areq->assoclen); aead_givcrypt_set_giv(creq, req->giv, req->seq); - err = pcrypt_do_parallel(padata, &ctx->cb_cpu, pcrypt_enc_padata); - if (err) - return err; - else - err = crypto_aead_givencrypt(creq); + err = pcrypt_do_parallel(padata, &ctx->cb_cpu, &pencrypt); + if (!err) + return -EINPROGRESS; return err; } @@ -376,6 +405,115 @@ static void pcrypt_free(struct crypto_instance *inst) kfree(inst); } +static int pcrypt_cpumask_change_notify(struct notifier_block *self, + unsigned long val, void *data) +{ + struct padata_pcrypt *pcrypt; + struct pcrypt_cpumask *new_mask, *old_mask; + struct padata_cpumask *cpumask = (struct padata_cpumask *)data; + + if (!(val & PADATA_CPU_SERIAL)) + return 0; + + pcrypt = container_of(self, struct padata_pcrypt, nblock); + new_mask = kmalloc(sizeof(*new_mask), GFP_KERNEL); + if (!new_mask) + return -ENOMEM; + if (!alloc_cpumask_var(&new_mask->mask, GFP_KERNEL)) { + kfree(new_mask); + return -ENOMEM; + } + + old_mask = pcrypt->cb_cpumask; + + cpumask_copy(new_mask->mask, cpumask->cbcpu); + rcu_assign_pointer(pcrypt->cb_cpumask, new_mask); + synchronize_rcu_bh(); + + free_cpumask_var(old_mask->mask); + kfree(old_mask); + return 0; +} + +static int pcrypt_sysfs_add(struct padata_instance *pinst, const char *name) +{ + int ret; + + pinst->kobj.kset = pcrypt_kset; + ret = kobject_add(&pinst->kobj, NULL, name); + if (!ret) + kobject_uevent(&pinst->kobj, KOBJ_ADD); + + return ret; +} + +static int pcrypt_init_padata(struct padata_pcrypt *pcrypt, + const char *name) +{ + int ret = -ENOMEM; + struct pcrypt_cpumask *mask; + + get_online_cpus(); + + pcrypt->wq = create_workqueue(name); + if (!pcrypt->wq) + goto err; + + pcrypt->pinst = padata_alloc_possible(pcrypt->wq); + if (!pcrypt->pinst) + goto err_destroy_workqueue; + + mask = kmalloc(sizeof(*mask), GFP_KERNEL); + if (!mask) + goto err_free_padata; + if (!alloc_cpumask_var(&mask->mask, GFP_KERNEL)) { + kfree(mask); + goto err_free_padata; + } + + cpumask_and(mask->mask, cpu_possible_mask, cpu_active_mask); + rcu_assign_pointer(pcrypt->cb_cpumask, mask); + + pcrypt->nblock.notifier_call = pcrypt_cpumask_change_notify; + ret = padata_register_cpumask_notifier(pcrypt->pinst, &pcrypt->nblock); + if (ret) + goto err_free_cpumask; + + ret = pcrypt_sysfs_add(pcrypt->pinst, name); + if (ret) + goto err_unregister_notifier; + + put_online_cpus(); + + return ret; + +err_unregister_notifier: + padata_unregister_cpumask_notifier(pcrypt->pinst, &pcrypt->nblock); +err_free_cpumask: + free_cpumask_var(mask->mask); + kfree(mask); +err_free_padata: + padata_free(pcrypt->pinst); +err_destroy_workqueue: + destroy_workqueue(pcrypt->wq); +err: + put_online_cpus(); + + return ret; +} + +static void pcrypt_fini_padata(struct padata_pcrypt *pcrypt) +{ + kobject_put(&pcrypt->pinst->kobj); + free_cpumask_var(pcrypt->cb_cpumask->mask); + kfree(pcrypt->cb_cpumask); + + padata_stop(pcrypt->pinst); + padata_unregister_cpumask_notifier(pcrypt->pinst, &pcrypt->nblock); + destroy_workqueue(pcrypt->wq); + padata_free(pcrypt->pinst); +} + static struct crypto_template pcrypt_tmpl = { .name = "pcrypt", .alloc = pcrypt_alloc, @@ -385,52 +523,39 @@ static struct crypto_template pcrypt_tmpl = { static int __init pcrypt_init(void) { - encwq = create_workqueue("pencrypt"); - if (!encwq) - goto err; - - decwq = create_workqueue("pdecrypt"); - if (!decwq) - goto err_destroy_encwq; + int err = -ENOMEM; + pcrypt_kset = kset_create_and_add("pcrypt", NULL, kernel_kobj); + if (!pcrypt_kset) + goto err; - pcrypt_enc_padata = padata_alloc(cpu_possible_mask, encwq); - if (!pcrypt_enc_padata) - goto err_destroy_decwq; + err = pcrypt_init_padata(&pencrypt, "pencrypt"); + if (err) + goto err_unreg_kset; - pcrypt_dec_padata = padata_alloc(cpu_possible_mask, decwq); - if (!pcrypt_dec_padata) - goto err_free_padata; + err = pcrypt_init_padata(&pdecrypt, "pdecrypt"); + if (err) + goto err_deinit_pencrypt; - padata_start(pcrypt_enc_padata); - padata_start(pcrypt_dec_padata); + padata_start(pencrypt.pinst); + padata_start(pdecrypt.pinst); return crypto_register_template(&pcrypt_tmpl); -err_free_padata: - padata_free(pcrypt_enc_padata); - -err_destroy_decwq: - destroy_workqueue(decwq); - -err_destroy_encwq: - destroy_workqueue(encwq); - +err_deinit_pencrypt: + pcrypt_fini_padata(&pencrypt); +err_unreg_kset: + kset_unregister(pcrypt_kset); err: - return -ENOMEM; + return err; } static void __exit pcrypt_exit(void) { - padata_stop(pcrypt_enc_padata); - padata_stop(pcrypt_dec_padata); - - destroy_workqueue(encwq); - destroy_workqueue(decwq); - - padata_free(pcrypt_enc_padata); - padata_free(pcrypt_dec_padata); + pcrypt_fini_padata(&pencrypt); + pcrypt_fini_padata(&pdecrypt); + kset_unregister(pcrypt_kset); crypto_unregister_template(&pcrypt_tmpl); } diff --git a/crypto/testmgr.c b/crypto/testmgr.c index 5c8aaa0cb0b..fa8c8f78c8d 100644 --- a/crypto/testmgr.c +++ b/crypto/testmgr.c @@ -22,6 +22,17 @@ #include <crypto/rng.h> #include "internal.h" + +#ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS + +/* a perfect nop */ +int alg_test(const char *driver, const char *alg, u32 type, u32 mask) +{ + return 0; +} + +#else + #include "testmgr.h" /* @@ -2530,4 +2541,7 @@ notest: non_fips_alg: return -EINVAL; } + +#endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */ + EXPORT_SYMBOL_GPL(alg_test); diff --git a/crypto/twofish.c b/crypto/twofish_generic.c index dfcda231f87..1f07b843e07 100644 --- a/crypto/twofish.c +++ b/crypto/twofish_generic.c @@ -212,3 +212,4 @@ module_exit(twofish_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION ("Twofish Cipher Algorithm"); +MODULE_ALIAS("twofish"); diff --git a/crypto/xts.c b/crypto/xts.c index d87b0f3102c..555ecaab1e5 100644 --- a/crypto/xts.c +++ b/crypto/xts.c @@ -224,7 +224,7 @@ static struct crypto_instance *alloc(struct rtattr **tb) alg = crypto_get_attr_alg(tb, CRYPTO_ALG_TYPE_CIPHER, CRYPTO_ALG_TYPE_MASK); if (IS_ERR(alg)) - return ERR_PTR(PTR_ERR(alg)); + return ERR_CAST(alg); inst = crypto_alloc_instance("xts", alg); if (IS_ERR(inst)) |