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Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 

Merge the crypto tree to pull in vmx ghash fix.
This commit is contained in:
Herbert Xu 2016-10-10 11:19:47 +08:00
parent f97581cfa6 80da44c29d
commit c3afafa478
17 changed files with 158 additions and 197 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/crypto/aes-ce-glue.c
View File

@ -284,7 +284,7 @@ static int ctr_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
err = blkcipher_walk_done(desc, &walk,
walk.nbytes % AES_BLOCK_SIZE);
}
if (nbytes) {
if (walk.nbytes % AES_BLOCK_SIZE) {
u8 *tdst = walk.dst.virt.addr + blocks * AES_BLOCK_SIZE;
u8 *tsrc = walk.src.virt.addr + blocks * AES_BLOCK_SIZE;
u8 __aligned(8) tail[AES_BLOCK_SIZE];

2
arch/arm64/crypto/aes-glue.c
View File

@ -216,7 +216,7 @@ static int ctr_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
err = blkcipher_walk_done(desc, &walk,
walk.nbytes % AES_BLOCK_SIZE);
}
if (nbytes) {
if (walk.nbytes % AES_BLOCK_SIZE) {
u8 *tdst = walk.dst.virt.addr + blocks * AES_BLOCK_SIZE;
u8 *tsrc = walk.src.virt.addr + blocks * AES_BLOCK_SIZE;
u8 __aligned(8) tail[AES_BLOCK_SIZE];

4
arch/x86/crypto/sha256-mb/sha256_mb.c
View File

@ -485,10 +485,10 @@ static int sha_complete_job(struct mcryptd_hash_request_ctx *rctx,
req = cast_mcryptd_ctx_to_req(req_ctx);
if (irqs_disabled())
rctx->complete(&req->base, ret);
req_ctx->complete(&req->base, ret);
else {
local_bh_disable();
rctx->complete(&req->base, ret);
req_ctx->complete(&req->base, ret);
local_bh_enable();
}
}

7
arch/x86/crypto/sha256-mb/sha256_mb_mgr_flush_avx2.S
View File

@ -265,13 +265,14 @@ ENTRY(sha256_mb_mgr_get_comp_job_avx2)
vpinsrd $1, _args_digest+1*32(state, idx, 4), %xmm0, %xmm0
vpinsrd $2, _args_digest+2*32(state, idx, 4), %xmm0, %xmm0
vpinsrd $3, _args_digest+3*32(state, idx, 4), %xmm0, %xmm0
movl _args_digest+4*32(state, idx, 4), tmp2_w
vmovd _args_digest(state , idx, 4) , %xmm0
vpinsrd $1, _args_digest+5*32(state, idx, 4), %xmm1, %xmm1
vpinsrd $2, _args_digest+6*32(state, idx, 4), %xmm1, %xmm1
vpinsrd $3, _args_digest+7*32(state, idx, 4), %xmm1, %xmm1
vmovdqu %xmm0, _result_digest(job_rax)
movl tmp2_w, _result_digest+1*16(job_rax)
vmovdqu %xmm0, _result_digest(job_rax)
offset = (_result_digest + 1*16)
vmovdqu %xmm1, offset(job_rax)
pop %rbx

4
arch/x86/crypto/sha512-mb/sha512_mb.c
View File

@ -497,10 +497,10 @@ static int sha_complete_job(struct mcryptd_hash_request_ctx *rctx,
req = cast_mcryptd_ctx_to_req(req_ctx);
if (irqs_disabled())
rctx->complete(&req->base, ret);
req_ctx->complete(&req->base, ret);
else {
local_bh_disable();
rctx->complete(&req->base, ret);
req_ctx->complete(&req->base, ret);
local_bh_enable();
}
}

3
crypto/blkcipher.c
View File

@ -233,6 +233,8 @@ static int blkcipher_walk_next(struct blkcipher_desc *desc,
return blkcipher_walk_done(desc, walk, -EINVAL);
}
bsize = min(walk->walk_blocksize, n);
walk->flags &= ~(BLKCIPHER_WALK_SLOW | BLKCIPHER_WALK_COPY |
BLKCIPHER_WALK_DIFF);
if (!scatterwalk_aligned(&walk->in, walk->alignmask) ||
@ -245,7 +247,6 @@ static int blkcipher_walk_next(struct blkcipher_desc *desc,
}
}
bsize = min(walk->walk_blocksize, n);
n = scatterwalk_clamp(&walk->in, n);
n = scatterwalk_clamp(&walk->out, n);

12
crypto/cryptd.c
View File

@ -631,9 +631,14 @@ static int cryptd_hash_export(struct ahash_request *req, void *out)
static int cryptd_hash_import(struct ahash_request *req, const void *in)
{
struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req);
struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
struct cryptd_hash_ctx *ctx = crypto_ahash_ctx(tfm);
struct shash_desc *desc = cryptd_shash_desc(req);
return crypto_shash_import(&rctx->desc, in);
desc->tfm = ctx->child;
desc->flags = req->base.flags;
return crypto_shash_import(desc, in);
}
static int cryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb,
@ -733,13 +738,14 @@ static void cryptd_aead_crypt(struct aead_request *req,
rctx = aead_request_ctx(req);
compl = rctx->complete;
tfm = crypto_aead_reqtfm(req);
if (unlikely(err == -EINPROGRESS))
goto out;
aead_request_set_tfm(req, child);
err = crypt( req );
out:
tfm = crypto_aead_reqtfm(req);
ctx = crypto_aead_ctx(tfm);
refcnt = atomic_read(&ctx->refcnt);

117
crypto/echainiv.c
View File

@ -1,8 +1,8 @@
/*
* echainiv: Encrypted Chain IV Generator
*
* This generator generates an IV based on a sequence number by xoring it
* with a salt and then encrypting it with the same key as used to encrypt
* This generator generates an IV based on a sequence number by multiplying
* it with a salt and then encrypting it with the same key as used to encrypt
* the plain text. This algorithm requires that the block size be equal
* to the IV size. It is mainly useful for CBC.
*
@ -24,81 +24,17 @@
#include <linux/err.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/percpu.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/string.h>
#define MAX_IV_SIZE 16
static DEFINE_PER_CPU(u32 [MAX_IV_SIZE / sizeof(u32)], echainiv_iv);
/* We don't care if we get preempted and read/write IVs from the next CPU. */
static void echainiv_read_iv(u8 *dst, unsigned size)
{
u32 *a = (u32 *)dst;
u32 __percpu *b = echainiv_iv;
for (; size >= 4; size -= 4) {
*a++ = this_cpu_read(*b);
b++;
}
}
static void echainiv_write_iv(const u8 *src, unsigned size)
{
const u32 *a = (const u32 *)src;
u32 __percpu *b = echainiv_iv;
for (; size >= 4; size -= 4) {
this_cpu_write(*b, *a);
a++;
b++;
}
}
static void echainiv_encrypt_complete2(struct aead_request *req, int err)
{
struct aead_request *subreq = aead_request_ctx(req);
struct crypto_aead *geniv;
unsigned int ivsize;
if (err == -EINPROGRESS)
return;
if (err)
goto out;
geniv = crypto_aead_reqtfm(req);
ivsize = crypto_aead_ivsize(geniv);
echainiv_write_iv(subreq->iv, ivsize);
if (req->iv != subreq->iv)
memcpy(req->iv, subreq->iv, ivsize);
out:
if (req->iv != subreq->iv)
kzfree(subreq->iv);
}
static void echainiv_encrypt_complete(struct crypto_async_request *base,
int err)
{
struct aead_request *req = base->data;
echainiv_encrypt_complete2(req, err);
aead_request_complete(req, err);
}
static int echainiv_encrypt(struct aead_request *req)
{
struct crypto_aead *geniv = crypto_aead_reqtfm(req);
struct aead_geniv_ctx *ctx = crypto_aead_ctx(geniv);
struct aead_request *subreq = aead_request_ctx(req);
crypto_completion_t compl;
void *data;
__be64 nseqno;
u64 seqno;
u8 *info;
unsigned int ivsize = crypto_aead_ivsize(geniv);
int err;
@ -108,8 +44,6 @@ static int echainiv_encrypt(struct aead_request *req)
aead_request_set_tfm(subreq, ctx->child);
compl = echainiv_encrypt_complete;
data = req;
info = req->iv;
if (req->src != req->dst) {
@ -127,29 +61,30 @@ static int echainiv_encrypt(struct aead_request *req)
return err;
}
if (unlikely(!IS_ALIGNED((unsigned long)info,
crypto_aead_alignmask(geniv) + 1))) {
info = kmalloc(ivsize, req->base.flags &
CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL:
GFP_ATOMIC);
if (!info)
return -ENOMEM;
memcpy(info, req->iv, ivsize);
}
aead_request_set_callback(subreq, req->base.flags, compl, data);
aead_request_set_callback(subreq, req->base.flags,
req->base.complete, req->base.data);
aead_request_set_crypt(subreq, req->dst, req->dst,
req->cryptlen, info);
aead_request_set_ad(subreq, req->assoclen);
crypto_xor(info, ctx->salt, ivsize);
scatterwalk_map_and_copy(info, req->dst, req->assoclen, ivsize, 1);
echainiv_read_iv(info, ivsize);
memcpy(&nseqno, info + ivsize - 8, 8);
seqno = be64_to_cpu(nseqno);
memset(info, 0, ivsize);
err = crypto_aead_encrypt(subreq);
echainiv_encrypt_complete2(req, err);
return err;
scatterwalk_map_and_copy(info, req->dst, req->assoclen, ivsize, 1);
do {
u64 a;
memcpy(&a, ctx->salt + ivsize - 8, 8);
a |= 1;
a *= seqno;
memcpy(info + ivsize - 8, &a, 8);
} while ((ivsize -= 8));
return crypto_aead_encrypt(subreq);
}
static int echainiv_decrypt(struct aead_request *req)
@ -196,8 +131,7 @@ static int echainiv_aead_create(struct crypto_template *tmpl,
alg = crypto_spawn_aead_alg(spawn);
err = -EINVAL;
if (inst->alg.ivsize & (sizeof(u32) - 1) ||
inst->alg.ivsize > MAX_IV_SIZE)
if (inst->alg.ivsize & (sizeof(u64) - 1) || !inst->alg.ivsize)
goto free_inst;
inst->alg.encrypt = echainiv_encrypt;
@ -206,7 +140,6 @@ static int echainiv_aead_create(struct crypto_template *tmpl,
inst->alg.init = aead_init_geniv;
inst->alg.exit = aead_exit_geniv;
inst->alg.base.cra_alignmask |= __alignof__(u32) - 1;
inst->alg.base.cra_ctxsize = sizeof(struct aead_geniv_ctx);
inst->alg.base.cra_ctxsize += inst->alg.ivsize;

13
crypto/ghash-generic.c
View File

@ -14,24 +14,13 @@
#include <crypto/algapi.h>
#include <crypto/gf128mul.h>
#include <crypto/ghash.h>
#include <crypto/internal/hash.h>
#include <linux/crypto.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#define GHASH_BLOCK_SIZE 16
#define GHASH_DIGEST_SIZE 16
struct ghash_ctx {
struct gf128mul_4k *gf128;
};
struct ghash_desc_ctx {
u8 buffer[GHASH_BLOCK_SIZE];
u32 bytes;
};
static int ghash_init(struct shash_desc *desc)
{
struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);

41
crypto/rsa-pkcs1pad.c
View File

@ -298,41 +298,48 @@ static int pkcs1pad_decrypt_complete(struct akcipher_request *req, int err)
struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);
struct pkcs1pad_ctx *ctx = akcipher_tfm_ctx(tfm);
struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);
unsigned int dst_len;
unsigned int pos;
if (err == -EOVERFLOW)
/* Decrypted value had no leading 0 byte */
err = -EINVAL;
u8 *out_buf;
if (err)
goto done;
if (req_ctx->child_req.dst_len != ctx->key_size - 1) {
err = -EINVAL;
err = -EINVAL;
dst_len = req_ctx->child_req.dst_len;
if (dst_len < ctx->key_size - 1)
goto done;
out_buf = req_ctx->out_buf;
if (dst_len == ctx->key_size) {
if (out_buf[0] != 0x00)
/* Decrypted value had no leading 0 byte */
goto done;
dst_len--;
out_buf++;
}
if (req_ctx->out_buf[0] != 0x02) {
err = -EINVAL;
if (out_buf[0] != 0x02)
goto done;
}
for (pos = 1; pos < req_ctx->child_req.dst_len; pos++)
if (req_ctx->out_buf[pos] == 0x00)
for (pos = 1; pos < dst_len; pos++)
if (out_buf[pos] == 0x00)
break;
if (pos < 9 || pos == req_ctx->child_req.dst_len) {
err = -EINVAL;
if (pos < 9 || pos == dst_len)
goto done;
}
pos++;
if (req->dst_len < req_ctx->child_req.dst_len - pos)
err = 0;
if (req->dst_len < dst_len - pos)
err = -EOVERFLOW;
req->dst_len = req_ctx->child_req.dst_len - pos;
req->dst_len = dst_len - pos;
if (!err)
sg_copy_from_buffer(req->dst,
sg_nents_for_len(req->dst, req->dst_len),
req_ctx->out_buf + pos, req->dst_len);
out_buf + pos, req->dst_len);
done:
kzfree(req_ctx->out_buf);

2
drivers/char/hw_random/Kconfig
View File

@ -244,7 +244,7 @@ config HW_RANDOM_TX4939
config HW_RANDOM_MXC_RNGA
tristate "Freescale i.MX RNGA Random Number Generator"
depends on ARCH_HAS_RNGA
depends on SOC_IMX31
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number

77
drivers/crypto/caam/caamalg.c
View File

@ -592,7 +592,10 @@ skip_enc:
/* Read and write assoclen bytes */
append_math_add(desc, VARSEQINLEN, ZERO, REG3, CAAM_CMD_SZ);
append_math_add(desc, VARSEQOUTLEN, ZERO, REG3, CAAM_CMD_SZ);
if (alg->caam.geniv)
append_math_add_imm_u32(desc, VARSEQOUTLEN, REG3, IMM, ivsize);
else
append_math_add(desc, VARSEQOUTLEN, ZERO, REG3, CAAM_CMD_SZ);
/* Skip assoc data */
append_seq_fifo_store(desc, 0, FIFOST_TYPE_SKIP | FIFOLDST_VLF);
@ -601,6 +604,14 @@ skip_enc:
append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS2 | FIFOLD_TYPE_MSG |
KEY_VLF);
if (alg->caam.geniv) {
append_seq_load(desc, ivsize, LDST_CLASS_1_CCB |
LDST_SRCDST_BYTE_CONTEXT |
(ctx1_iv_off << LDST_OFFSET_SHIFT));
append_move(desc, MOVE_SRC_CLASS1CTX | MOVE_DEST_CLASS2INFIFO |
(ctx1_iv_off << MOVE_OFFSET_SHIFT) | ivsize);
}
/* Load Counter into CONTEXT1 reg */
if (is_rfc3686)
append_load_imm_be32(desc, 1, LDST_IMM | LDST_CLASS_1_CCB |
@ -2184,7 +2195,7 @@ static void init_authenc_job(struct aead_request *req,
init_aead_job(req, edesc, all_contig, encrypt);
if (ivsize && (is_rfc3686 || !(alg->caam.geniv && encrypt)))
if (ivsize && ((is_rfc3686 && encrypt) || !alg->caam.geniv))
append_load_as_imm(desc, req->iv, ivsize,
LDST_CLASS_1_CCB |
LDST_SRCDST_BYTE_CONTEXT |
@ -2578,20 +2589,6 @@ static int aead_decrypt(struct aead_request *req)
return ret;
}
static int aead_givdecrypt(struct aead_request *req)
{
struct crypto_aead *aead = crypto_aead_reqtfm(req);
unsigned int ivsize = crypto_aead_ivsize(aead);
if (req->cryptlen < ivsize)
return -EINVAL;
req->cryptlen -= ivsize;
req->assoclen += ivsize;
return aead_decrypt(req);
}
/*
* allocate and map the ablkcipher extended descriptor for ablkcipher
*/
@ -3251,7 +3248,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = AES_BLOCK_SIZE,
.maxauthsize = MD5_DIGEST_SIZE,
},
@ -3297,7 +3294,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = AES_BLOCK_SIZE,
.maxauthsize = SHA1_DIGEST_SIZE,
},
@ -3343,7 +3340,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = AES_BLOCK_SIZE,
.maxauthsize = SHA224_DIGEST_SIZE,
},
@ -3389,7 +3386,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = AES_BLOCK_SIZE,
.maxauthsize = SHA256_DIGEST_SIZE,
},
@ -3435,7 +3432,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = AES_BLOCK_SIZE,
.maxauthsize = SHA384_DIGEST_SIZE,
},
@ -3481,7 +3478,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = AES_BLOCK_SIZE,
.maxauthsize = SHA512_DIGEST_SIZE,
},
@ -3527,7 +3524,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = DES3_EDE_BLOCK_SIZE,
.maxauthsize = MD5_DIGEST_SIZE,
},
@ -3575,7 +3572,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = DES3_EDE_BLOCK_SIZE,
.maxauthsize = SHA1_DIGEST_SIZE,
},
@ -3623,7 +3620,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = DES3_EDE_BLOCK_SIZE,
.maxauthsize = SHA224_DIGEST_SIZE,
},
@ -3671,7 +3668,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = DES3_EDE_BLOCK_SIZE,
.maxauthsize = SHA256_DIGEST_SIZE,
},
@ -3719,7 +3716,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = DES3_EDE_BLOCK_SIZE,
.maxauthsize = SHA384_DIGEST_SIZE,
},
@ -3767,7 +3764,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = DES3_EDE_BLOCK_SIZE,
.maxauthsize = SHA512_DIGEST_SIZE,
},
@ -3813,7 +3810,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = DES_BLOCK_SIZE,
.maxauthsize = MD5_DIGEST_SIZE,
},
@ -3859,7 +3856,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = DES_BLOCK_SIZE,
.maxauthsize = SHA1_DIGEST_SIZE,
},
@ -3905,7 +3902,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = DES_BLOCK_SIZE,
.maxauthsize = SHA224_DIGEST_SIZE,
},
@ -3951,7 +3948,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = DES_BLOCK_SIZE,
.maxauthsize = SHA256_DIGEST_SIZE,
},
@ -3997,7 +3994,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = DES_BLOCK_SIZE,
.maxauthsize = SHA384_DIGEST_SIZE,
},
@ -4043,7 +4040,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = DES_BLOCK_SIZE,
.maxauthsize = SHA512_DIGEST_SIZE,
},
@ -4092,7 +4089,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = CTR_RFC3686_IV_SIZE,
.maxauthsize = MD5_DIGEST_SIZE,
},
@ -4143,7 +4140,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = CTR_RFC3686_IV_SIZE,
.maxauthsize = SHA1_DIGEST_SIZE,
},
@ -4194,7 +4191,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = CTR_RFC3686_IV_SIZE,
.maxauthsize = SHA224_DIGEST_SIZE,
},
@ -4245,7 +4242,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = CTR_RFC3686_IV_SIZE,
.maxauthsize = SHA256_DIGEST_SIZE,
},
@ -4296,7 +4293,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = CTR_RFC3686_IV_SIZE,
.maxauthsize = SHA384_DIGEST_SIZE,
},
@ -4347,7 +4344,7 @@ static struct caam_aead_alg driver_aeads[] = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
.decrypt = aead_givdecrypt,
.decrypt = aead_decrypt,
.ivsize = CTR_RFC3686_IV_SIZE,
.maxauthsize = SHA512_DIGEST_SIZE,
},

4
drivers/crypto/qat/qat_common/qat_algs.c
View File

@ -1260,8 +1260,8 @@ static struct crypto_alg qat_algs[] = { {
.setkey = qat_alg_ablkcipher_xts_setkey,
.decrypt = qat_alg_ablkcipher_decrypt,
.encrypt = qat_alg_ablkcipher_encrypt,
.min_keysize = AES_MIN_KEY_SIZE,
.max_keysize = AES_MAX_KEY_SIZE,
.min_keysize = 2 * AES_MIN_KEY_SIZE,
.max_keysize = 2 * AES_MAX_KEY_SIZE,
.ivsize = AES_BLOCK_SIZE,
},
},

2
drivers/crypto/vmx/aes_xts.c
View File

@ -129,8 +129,8 @@ static int p8_aes_xts_crypt(struct blkcipher_desc *desc,
blkcipher_walk_init(&walk, dst, src, nbytes);
iv = (u8 *)walk.iv;
ret = blkcipher_walk_virt(desc, &walk);
iv = walk.iv;
memset(tweak, 0, AES_BLOCK_SIZE);
aes_p8_encrypt(iv, tweak, &ctx->tweak_key);

31
drivers/crypto/vmx/ghash.c
View File

@ -26,16 +26,13 @@
#include <linux/hardirq.h>
#include <asm/switch_to.h>
#include <crypto/aes.h>
#include <crypto/ghash.h>
#include <crypto/scatterwalk.h>
#include <crypto/internal/hash.h>
#include <crypto/b128ops.h>
#define IN_INTERRUPT in_interrupt()
#define GHASH_BLOCK_SIZE (16)
#define GHASH_DIGEST_SIZE (16)
#define GHASH_KEY_LEN (16)
void gcm_init_p8(u128 htable[16], const u64 Xi[2]);
void gcm_gmult_p8(u64 Xi[2], const u128 htable[16]);
void gcm_ghash_p8(u64 Xi[2], const u128 htable[16],
@ -55,16 +52,11 @@ struct p8_ghash_desc_ctx {
static int p8_ghash_init_tfm(struct crypto_tfm *tfm)
{
const char *alg;
const char *alg = "ghash-generic";
struct crypto_shash *fallback;
struct crypto_shash *shash_tfm = __crypto_shash_cast(tfm);
struct p8_ghash_ctx *ctx = crypto_tfm_ctx(tfm);
if (!(alg = crypto_tfm_alg_name(tfm))) {
printk(KERN_ERR "Failed to get algorithm name.\n");
return -ENOENT;
}
fallback = crypto_alloc_shash(alg, 0, CRYPTO_ALG_NEED_FALLBACK);
if (IS_ERR(fallback)) {
printk(KERN_ERR
@ -78,10 +70,18 @@ static int p8_ghash_init_tfm(struct crypto_tfm *tfm)
crypto_shash_set_flags(fallback,
crypto_shash_get_flags((struct crypto_shash
*) tfm));
ctx->fallback = fallback;
shash_tfm->descsize = sizeof(struct p8_ghash_desc_ctx)
+ crypto_shash_descsize(fallback);
/* Check if the descsize defined in the algorithm is still enough. */
if (shash_tfm->descsize < sizeof(struct p8_ghash_desc_ctx)
+ crypto_shash_descsize(fallback)) {
printk(KERN_ERR
"Desc size of the fallback implementation (%s) does not match the expected value: %lu vs %u\n",
alg,
shash_tfm->descsize - sizeof(struct p8_ghash_desc_ctx),
crypto_shash_descsize(fallback));
return -EINVAL;
}
ctx->fallback = fallback;
return 0;
}
@ -113,7 +113,7 @@ static int p8_ghash_setkey(struct crypto_shash *tfm, const u8 *key,
{
struct p8_ghash_ctx *ctx = crypto_tfm_ctx(crypto_shash_tfm(tfm));
if (keylen != GHASH_KEY_LEN)
if (keylen != GHASH_BLOCK_SIZE)
return -EINVAL;
preempt_disable();
@ -211,7 +211,8 @@ struct shash_alg p8_ghash_alg = {
.update = p8_ghash_update,
.final = p8_ghash_final,
.setkey = p8_ghash_setkey,
.descsize = sizeof(struct p8_ghash_desc_ctx),
.descsize = sizeof(struct p8_ghash_desc_ctx)
+ sizeof(struct ghash_desc_ctx),
.base = {
.cra_name = "ghash",
.cra_driver_name = "p8_ghash",

23
include/crypto/ghash.h Normal file
View File

@ -0,0 +1,23 @@
/*
* Common values for GHASH algorithms
*/
#ifndef __CRYPTO_GHASH_H__
#define __CRYPTO_GHASH_H__
#include <linux/types.h>
#include <crypto/gf128mul.h>
#define GHASH_BLOCK_SIZE 16
#define GHASH_DIGEST_SIZE 16
struct ghash_ctx {
struct gf128mul_4k *gf128;
};
struct ghash_desc_ctx {
u8 buffer[GHASH_BLOCK_SIZE];
u32 bytes;
};
#endif

11
security/keys/encrypted-keys/encrypted.c
View File

@ -29,6 +29,7 @@
#include <linux/rcupdate.h>
#include <linux/scatterlist.h>
#include <linux/ctype.h>
#include <crypto/aes.h>
#include <crypto/hash.h>
#include <crypto/sha.h>
#include <crypto/skcipher.h>
@ -478,6 +479,7 @@ static int derived_key_encrypt(struct encrypted_key_payload *epayload,
struct crypto_skcipher *tfm;
struct skcipher_request *req;
unsigned int encrypted_datalen;
u8 iv[AES_BLOCK_SIZE];
unsigned int padlen;
char pad[16];
int ret;
@ -500,8 +502,8 @@ static int derived_key_encrypt(struct encrypted_key_payload *epayload,
sg_init_table(sg_out, 1);
sg_set_buf(sg_out, epayload->encrypted_data, encrypted_datalen);
skcipher_request_set_crypt(req, sg_in, sg_out, encrypted_datalen,
epayload->iv);
memcpy(iv, epayload->iv, sizeof(iv));
skcipher_request_set_crypt(req, sg_in, sg_out, encrypted_datalen, iv);
ret = crypto_skcipher_encrypt(req);
tfm = crypto_skcipher_reqtfm(req);
skcipher_request_free(req);
@ -581,6 +583,7 @@ static int derived_key_decrypt(struct encrypted_key_payload *epayload,
struct crypto_skcipher *tfm;
struct skcipher_request *req;
unsigned int encrypted_datalen;
u8 iv[AES_BLOCK_SIZE];
char pad[16];
int ret;
@ -599,8 +602,8 @@ static int derived_key_decrypt(struct encrypted_key_payload *epayload,
epayload->decrypted_datalen);
sg_set_buf(&sg_out[1], pad, sizeof pad);
skcipher_request_set_crypt(req, sg_in, sg_out, encrypted_datalen,
epayload->iv);
memcpy(iv, epayload->iv, sizeof(iv));
skcipher_request_set_crypt(req, sg_in, sg_out, encrypted_datalen, iv);
ret = crypto_skcipher_decrypt(req);
tfm = crypto_skcipher_reqtfm(req);
skcipher_request_free(req);