diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-11-26 06:49:58 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-11-26 06:49:58 +0300 |
commit | 642356cb5f4a8c82b5ca5ebac288c327d10df236 (patch) | |
tree | 85bdf911a1307d33838449cb8209b828dcfef1c7 /arch/powerpc | |
parent | f838767555d40f29bc4771c5c8cc63193094b7cc (diff) | |
parent | 4ee812f6143d78d8ba1399671d78c8d78bf2817c (diff) | |
download | linux-642356cb5f4a8c82b5ca5ebac288c327d10df236.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Add library interfaces of certain crypto algorithms for WireGuard
- Remove the obsolete ablkcipher and blkcipher interfaces
- Move add_early_randomness() out of rng_mutex
Algorithms:
- Add blake2b shash algorithm
- Add blake2s shash algorithm
- Add curve25519 kpp algorithm
- Implement 4 way interleave in arm64/gcm-ce
- Implement ciphertext stealing in powerpc/spe-xts
- Add Eric Biggers's scalar accelerated ChaCha code for ARM
- Add accelerated 32r2 code from Zinc for MIPS
- Add OpenSSL/CRYPTOGRAMS poly1305 implementation for ARM and MIPS
Drivers:
- Fix entropy reading failures in ks-sa
- Add support for sam9x60 in atmel
- Add crypto accelerator for amlogic GXL
- Add sun8i-ce Crypto Engine
- Add sun8i-ss cryptographic offloader
- Add a host of algorithms to inside-secure
- Add NPCM RNG driver
- add HiSilicon HPRE accelerator
- Add HiSilicon TRNG driver"
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (285 commits)
crypto: vmx - Avoid weird build failures
crypto: lib/chacha20poly1305 - use chacha20_crypt()
crypto: x86/chacha - only unregister algorithms if registered
crypto: chacha_generic - remove unnecessary setkey() functions
crypto: amlogic - enable working on big endian kernel
crypto: sun8i-ce - enable working on big endian
crypto: mips/chacha - select CRYPTO_SKCIPHER, not CRYPTO_BLKCIPHER
hwrng: ks-sa - Enable COMPILE_TEST
crypto: essiv - remove redundant null pointer check before kfree
crypto: atmel-aes - Change data type for "lastc" buffer
crypto: atmel-tdes - Set the IV after {en,de}crypt
crypto: sun4i-ss - fix big endian issues
crypto: sun4i-ss - hide the Invalid keylen message
crypto: sun4i-ss - use crypto_ahash_digestsize
crypto: sun4i-ss - remove dependency on not 64BIT
crypto: sun4i-ss - Fix 64-bit size_t warnings on sun4i-ss-hash.c
MAINTAINERS: Add maintainer for HiSilicon SEC V2 driver
crypto: hisilicon - add DebugFS for HiSilicon SEC
Documentation: add DebugFS doc for HiSilicon SEC
crypto: hisilicon - add SRIOV for HiSilicon SEC
...
Diffstat (limited to 'arch/powerpc')
-rw-r--r-- | arch/powerpc/crypto/aes-spe-glue.c | 454 |
1 files changed, 236 insertions, 218 deletions
diff --git a/arch/powerpc/crypto/aes-spe-glue.c b/arch/powerpc/crypto/aes-spe-glue.c index 3a4ca7d32477..1fad5d4c658d 100644 --- a/arch/powerpc/crypto/aes-spe-glue.c +++ b/arch/powerpc/crypto/aes-spe-glue.c @@ -17,7 +17,10 @@ #include <asm/byteorder.h> #include <asm/switch_to.h> #include <crypto/algapi.h> +#include <crypto/internal/skcipher.h> #include <crypto/xts.h> +#include <crypto/gf128mul.h> +#include <crypto/scatterwalk.h> /* * MAX_BYTES defines the number of bytes that are allowed to be processed @@ -118,13 +121,19 @@ static int ppc_aes_setkey(struct crypto_tfm *tfm, const u8 *in_key, return 0; } -static int ppc_xts_setkey(struct crypto_tfm *tfm, const u8 *in_key, +static int ppc_aes_setkey_skcipher(struct crypto_skcipher *tfm, + const u8 *in_key, unsigned int key_len) +{ + return ppc_aes_setkey(crypto_skcipher_tfm(tfm), in_key, key_len); +} + +static int ppc_xts_setkey(struct crypto_skcipher *tfm, const u8 *in_key, unsigned int key_len) { - struct ppc_xts_ctx *ctx = crypto_tfm_ctx(tfm); + struct ppc_xts_ctx *ctx = crypto_skcipher_ctx(tfm); int err; - err = xts_check_key(tfm, in_key, key_len); + err = xts_verify_key(tfm, in_key, key_len); if (err) return err; @@ -133,7 +142,7 @@ static int ppc_xts_setkey(struct crypto_tfm *tfm, const u8 *in_key, if (key_len != AES_KEYSIZE_128 && key_len != AES_KEYSIZE_192 && key_len != AES_KEYSIZE_256) { - tfm->crt_flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; + crypto_skcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); return -EINVAL; } @@ -178,208 +187,229 @@ static void ppc_aes_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) spe_end(); } -static int ppc_ecb_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) +static int ppc_ecb_crypt(struct skcipher_request *req, bool enc) { - struct ppc_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - unsigned int ubytes; + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct ppc_aes_ctx *ctx = crypto_skcipher_ctx(tfm); + struct skcipher_walk walk; + unsigned int nbytes; int err; - desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); + err = skcipher_walk_virt(&walk, req, false); - while ((nbytes = walk.nbytes)) { - ubytes = nbytes > MAX_BYTES ? - nbytes - MAX_BYTES : nbytes & (AES_BLOCK_SIZE - 1); - nbytes -= ubytes; + while ((nbytes = walk.nbytes) != 0) { + nbytes = min_t(unsigned int, nbytes, MAX_BYTES); + nbytes = round_down(nbytes, AES_BLOCK_SIZE); spe_begin(); - ppc_encrypt_ecb(walk.dst.virt.addr, walk.src.virt.addr, - ctx->key_enc, ctx->rounds, nbytes); + if (enc) + ppc_encrypt_ecb(walk.dst.virt.addr, walk.src.virt.addr, + ctx->key_enc, ctx->rounds, nbytes); + else + ppc_decrypt_ecb(walk.dst.virt.addr, walk.src.virt.addr, + ctx->key_dec, ctx->rounds, nbytes); spe_end(); - err = blkcipher_walk_done(desc, &walk, ubytes); + err = skcipher_walk_done(&walk, walk.nbytes - nbytes); } return err; } -static int ppc_ecb_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) +static int ppc_ecb_encrypt(struct skcipher_request *req) { - struct ppc_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - unsigned int ubytes; - int err; - - desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - ubytes = nbytes > MAX_BYTES ? - nbytes - MAX_BYTES : nbytes & (AES_BLOCK_SIZE - 1); - nbytes -= ubytes; - - spe_begin(); - ppc_decrypt_ecb(walk.dst.virt.addr, walk.src.virt.addr, - ctx->key_dec, ctx->rounds, nbytes); - spe_end(); - - err = blkcipher_walk_done(desc, &walk, ubytes); - } + return ppc_ecb_crypt(req, true); +} - return err; +static int ppc_ecb_decrypt(struct skcipher_request *req) +{ + return ppc_ecb_crypt(req, false); } -static int ppc_cbc_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) +static int ppc_cbc_crypt(struct skcipher_request *req, bool enc) { - struct ppc_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - unsigned int ubytes; + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct ppc_aes_ctx *ctx = crypto_skcipher_ctx(tfm); + struct skcipher_walk walk; + unsigned int nbytes; int err; - desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); + err = skcipher_walk_virt(&walk, req, false); - while ((nbytes = walk.nbytes)) { - ubytes = nbytes > MAX_BYTES ? - nbytes - MAX_BYTES : nbytes & (AES_BLOCK_SIZE - 1); - nbytes -= ubytes; + while ((nbytes = walk.nbytes) != 0) { + nbytes = min_t(unsigned int, nbytes, MAX_BYTES); + nbytes = round_down(nbytes, AES_BLOCK_SIZE); spe_begin(); - ppc_encrypt_cbc(walk.dst.virt.addr, walk.src.virt.addr, - ctx->key_enc, ctx->rounds, nbytes, walk.iv); + if (enc) + ppc_encrypt_cbc(walk.dst.virt.addr, walk.src.virt.addr, + ctx->key_enc, ctx->rounds, nbytes, + walk.iv); + else + ppc_decrypt_cbc(walk.dst.virt.addr, walk.src.virt.addr, + ctx->key_dec, ctx->rounds, nbytes, + walk.iv); spe_end(); - err = blkcipher_walk_done(desc, &walk, ubytes); + err = skcipher_walk_done(&walk, walk.nbytes - nbytes); } return err; } -static int ppc_cbc_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) +static int ppc_cbc_encrypt(struct skcipher_request *req) { - struct ppc_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - unsigned int ubytes; - int err; - - desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - ubytes = nbytes > MAX_BYTES ? - nbytes - MAX_BYTES : nbytes & (AES_BLOCK_SIZE - 1); - nbytes -= ubytes; - - spe_begin(); - ppc_decrypt_cbc(walk.dst.virt.addr, walk.src.virt.addr, - ctx->key_dec, ctx->rounds, nbytes, walk.iv); - spe_end(); - - err = blkcipher_walk_done(desc, &walk, ubytes); - } + return ppc_cbc_crypt(req, true); +} - return err; +static int ppc_cbc_decrypt(struct skcipher_request *req) +{ + return ppc_cbc_crypt(req, false); } -static int ppc_ctr_crypt(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) +static int ppc_ctr_crypt(struct skcipher_request *req) { - struct ppc_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - unsigned int pbytes, ubytes; + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct ppc_aes_ctx *ctx = crypto_skcipher_ctx(tfm); + struct skcipher_walk walk; + unsigned int nbytes; int err; - desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt_block(desc, &walk, AES_BLOCK_SIZE); + err = skcipher_walk_virt(&walk, req, false); - while ((pbytes = walk.nbytes)) { - pbytes = pbytes > MAX_BYTES ? MAX_BYTES : pbytes; - pbytes = pbytes == nbytes ? - nbytes : pbytes & ~(AES_BLOCK_SIZE - 1); - ubytes = walk.nbytes - pbytes; + while ((nbytes = walk.nbytes) != 0) { + nbytes = min_t(unsigned int, nbytes, MAX_BYTES); + if (nbytes < walk.total) + nbytes = round_down(nbytes, AES_BLOCK_SIZE); spe_begin(); ppc_crypt_ctr(walk.dst.virt.addr, walk.src.virt.addr, - ctx->key_enc, ctx->rounds, pbytes , walk.iv); + ctx->key_enc, ctx->rounds, nbytes, walk.iv); spe_end(); - nbytes -= pbytes; - err = blkcipher_walk_done(desc, &walk, ubytes); + err = skcipher_walk_done(&walk, walk.nbytes - nbytes); } return err; } -static int ppc_xts_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) +static int ppc_xts_crypt(struct skcipher_request *req, bool enc) { - struct ppc_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - unsigned int ubytes; + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct ppc_xts_ctx *ctx = crypto_skcipher_ctx(tfm); + struct skcipher_walk walk; + unsigned int nbytes; int err; u32 *twk; - desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); + err = skcipher_walk_virt(&walk, req, false); twk = ctx->key_twk; - while ((nbytes = walk.nbytes)) { - ubytes = nbytes > MAX_BYTES ? - nbytes - MAX_BYTES : nbytes & (AES_BLOCK_SIZE - 1); - nbytes -= ubytes; + while ((nbytes = walk.nbytes) != 0) { + nbytes = min_t(unsigned int, nbytes, MAX_BYTES); + nbytes = round_down(nbytes, AES_BLOCK_SIZE); spe_begin(); - ppc_encrypt_xts(walk.dst.virt.addr, walk.src.virt.addr, - ctx->key_enc, ctx->rounds, nbytes, walk.iv, twk); + if (enc) + ppc_encrypt_xts(walk.dst.virt.addr, walk.src.virt.addr, + ctx->key_enc, ctx->rounds, nbytes, + walk.iv, twk); + else + ppc_decrypt_xts(walk.dst.virt.addr, walk.src.virt.addr, + ctx->key_dec, ctx->rounds, nbytes, + walk.iv, twk); spe_end(); twk = NULL; - err = blkcipher_walk_done(desc, &walk, ubytes); + err = skcipher_walk_done(&walk, walk.nbytes - nbytes); } return err; } -static int ppc_xts_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) +static int ppc_xts_encrypt(struct skcipher_request *req) { - struct ppc_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - unsigned int ubytes; + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct ppc_xts_ctx *ctx = crypto_skcipher_ctx(tfm); + int tail = req->cryptlen % AES_BLOCK_SIZE; + int offset = req->cryptlen - tail - AES_BLOCK_SIZE; + struct skcipher_request subreq; + u8 b[2][AES_BLOCK_SIZE]; int err; - u32 *twk; - desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - twk = ctx->key_twk; + if (req->cryptlen < AES_BLOCK_SIZE) + return -EINVAL; + + if (tail) { + subreq = *req; + skcipher_request_set_crypt(&subreq, req->src, req->dst, + req->cryptlen - tail, req->iv); + req = &subreq; + } - while ((nbytes = walk.nbytes)) { - ubytes = nbytes > MAX_BYTES ? - nbytes - MAX_BYTES : nbytes & (AES_BLOCK_SIZE - 1); - nbytes -= ubytes; + err = ppc_xts_crypt(req, true); + if (err || !tail) + return err; - spe_begin(); - ppc_decrypt_xts(walk.dst.virt.addr, walk.src.virt.addr, - ctx->key_dec, ctx->rounds, nbytes, walk.iv, twk); - spe_end(); + scatterwalk_map_and_copy(b[0], req->dst, offset, AES_BLOCK_SIZE, 0); + memcpy(b[1], b[0], tail); + scatterwalk_map_and_copy(b[0], req->src, offset + AES_BLOCK_SIZE, tail, 0); - twk = NULL; - err = blkcipher_walk_done(desc, &walk, ubytes); + spe_begin(); + ppc_encrypt_xts(b[0], b[0], ctx->key_enc, ctx->rounds, AES_BLOCK_SIZE, + req->iv, NULL); + spe_end(); + + scatterwalk_map_and_copy(b[0], req->dst, offset, AES_BLOCK_SIZE + tail, 1); + + return 0; +} + +static int ppc_xts_decrypt(struct skcipher_request *req) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct ppc_xts_ctx *ctx = crypto_skcipher_ctx(tfm); + int tail = req->cryptlen % AES_BLOCK_SIZE; + int offset = req->cryptlen - tail - AES_BLOCK_SIZE; + struct skcipher_request subreq; + u8 b[3][AES_BLOCK_SIZE]; + le128 twk; + int err; + + if (req->cryptlen < AES_BLOCK_SIZE) + return -EINVAL; + + if (tail) { + subreq = *req; + skcipher_request_set_crypt(&subreq, req->src, req->dst, + offset, req->iv); + req = &subreq; } - return err; + err = ppc_xts_crypt(req, false); + if (err || !tail) + return err; + + scatterwalk_map_and_copy(b[1], req->src, offset, AES_BLOCK_SIZE + tail, 0); + + spe_begin(); + if (!offset) + ppc_encrypt_ecb(req->iv, req->iv, ctx->key_twk, ctx->rounds, + AES_BLOCK_SIZE); + + gf128mul_x_ble(&twk, (le128 *)req->iv); + + ppc_decrypt_xts(b[1], b[1], ctx->key_dec, ctx->rounds, AES_BLOCK_SIZE, + (u8 *)&twk, NULL); + memcpy(b[0], b[2], tail); + memcpy(b[0] + tail, b[1] + tail, AES_BLOCK_SIZE - tail); + ppc_decrypt_xts(b[0], b[0], ctx->key_dec, ctx->rounds, AES_BLOCK_SIZE, + req->iv, NULL); + spe_end(); + + scatterwalk_map_and_copy(b[0], req->dst, offset, AES_BLOCK_SIZE + tail, 1); + + return 0; } /* @@ -388,9 +418,9 @@ static int ppc_xts_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, * This improves IPsec thoughput by another few percent. Additionally we assume * that AES context is always aligned to at least 8 bytes because it is created * with kmalloc() in the crypto infrastructure - * */ -static struct crypto_alg aes_algs[] = { { + +static struct crypto_alg aes_cipher_alg = { .cra_name = "aes", .cra_driver_name = "aes-ppc-spe", .cra_priority = 300, @@ -408,96 +438,84 @@ static struct crypto_alg aes_algs[] = { { .cia_decrypt = ppc_aes_decrypt } } -}, { - .cra_name = "ecb(aes)", - .cra_driver_name = "ecb-ppc-spe", - .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct ppc_aes_ctx), - .cra_alignmask = 0, - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_u = { - .blkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, - .setkey = ppc_aes_setkey, - .encrypt = ppc_ecb_encrypt, - .decrypt = ppc_ecb_decrypt, - } - } -}, { - .cra_name = "cbc(aes)", - .cra_driver_name = "cbc-ppc-spe", - .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct ppc_aes_ctx), - .cra_alignmask = 0, - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_u = { - .blkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, - .setkey = ppc_aes_setkey, - .encrypt = ppc_cbc_encrypt, - .decrypt = ppc_cbc_decrypt, - } - } -}, { - .cra_name = "ctr(aes)", - .cra_driver_name = "ctr-ppc-spe", - .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = 1, - .cra_ctxsize = sizeof(struct ppc_aes_ctx), - .cra_alignmask = 0, - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_u = { - .blkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, - .setkey = ppc_aes_setkey, - .encrypt = ppc_ctr_crypt, - .decrypt = ppc_ctr_crypt, - } - } -}, { - .cra_name = "xts(aes)", - .cra_driver_name = "xts-ppc-spe", - .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct ppc_xts_ctx), - .cra_alignmask = 0, - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_u = { - .blkcipher = { - .min_keysize = AES_MIN_KEY_SIZE * 2, - .max_keysize = AES_MAX_KEY_SIZE * 2, - .ivsize = AES_BLOCK_SIZE, - .setkey = ppc_xts_setkey, - .encrypt = ppc_xts_encrypt, - .decrypt = ppc_xts_decrypt, - } +}; + +static struct skcipher_alg aes_skcipher_algs[] = { + { + .base.cra_name = "ecb(aes)", + .base.cra_driver_name = "ecb-ppc-spe", + .base.cra_priority = 300, + .base.cra_blocksize = AES_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct ppc_aes_ctx), + .base.cra_module = THIS_MODULE, + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .setkey = ppc_aes_setkey_skcipher, + .encrypt = ppc_ecb_encrypt, + .decrypt = ppc_ecb_decrypt, + }, { + .base.cra_name = "cbc(aes)", + .base.cra_driver_name = "cbc-ppc-spe", + .base.cra_priority = 300, + .base.cra_blocksize = AES_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct ppc_aes_ctx), + .base.cra_module = THIS_MODULE, + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .ivsize = AES_BLOCK_SIZE, + .setkey = ppc_aes_setkey_skcipher, + .encrypt = ppc_cbc_encrypt, + .decrypt = ppc_cbc_decrypt, + }, { + .base.cra_name = "ctr(aes)", + .base.cra_driver_name = "ctr-ppc-spe", + .base.cra_priority = 300, + .base.cra_blocksize = 1, + .base.cra_ctxsize = sizeof(struct ppc_aes_ctx), + .base.cra_module = THIS_MODULE, + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .ivsize = AES_BLOCK_SIZE, + .setkey = ppc_aes_setkey_skcipher, + .encrypt = ppc_ctr_crypt, + .decrypt = ppc_ctr_crypt, + .chunksize = AES_BLOCK_SIZE, + }, { + .base.cra_name = "xts(aes)", + .base.cra_driver_name = "xts-ppc-spe", + .base.cra_priority = 300, + .base.cra_blocksize = AES_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct ppc_xts_ctx), + .base.cra_module = THIS_MODULE, + .min_keysize = AES_MIN_KEY_SIZE * 2, + .max_keysize = AES_MAX_KEY_SIZE * 2, + .ivsize = AES_BLOCK_SIZE, + .setkey = ppc_xts_setkey, + .encrypt = ppc_xts_encrypt, + .decrypt = ppc_xts_decrypt, } -} }; +}; static int __init ppc_aes_mod_init(void) { - return crypto_register_algs(aes_algs, ARRAY_SIZE(aes_algs)); + int err; + + err = crypto_register_alg(&aes_cipher_alg); + if (err) + return err; + + err = crypto_register_skciphers(aes_skcipher_algs, + ARRAY_SIZE(aes_skcipher_algs)); + if (err) + crypto_unregister_alg(&aes_cipher_alg); + return err; } static void __exit ppc_aes_mod_fini(void) { - crypto_unregister_algs(aes_algs, ARRAY_SIZE(aes_algs)); + crypto_unregister_alg(&aes_cipher_alg); + crypto_unregister_skciphers(aes_skcipher_algs, + ARRAY_SIZE(aes_skcipher_algs)); } module_init(ppc_aes_mod_init); |