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crypto: Add CRYPTO_ALG_KERN_DRIVER_ONLY flag

Browse Source 
The added CRYPTO_ALG_KERN_DRIVER_ONLY indicates whether a cipher
is only available via a kernel driver. If the cipher implementation
might be available by using an instruction set or by porting the
kernel code, then it must not be set.

Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Nikos Mavrogiannopoulos 2011-11-01 13:39:56 +01:00 committed by Herbert Xu
parent d0b03c5fe4
commit d912bb7677
12 changed files with 78 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/crypto/caam/caamalg.c
View File

@ -2205,7 +2205,8 @@ static struct caam_crypto_alg *caam_alg_alloc(struct device *ctrldev,
alg->cra_blocksize = template->blocksize;
alg->cra_alignmask = 0;
alg->cra_ctxsize = sizeof(struct caam_ctx);
alg->cra_flags = CRYPTO_ALG_ASYNC | template->type;
alg->cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY |
template->type;
switch (template->type) {
case CRYPTO_ALG_TYPE_ABLKCIPHER:
alg->cra_type = &crypto_ablkcipher_type;

6
drivers/crypto/geode-aes.c
View File

@ -393,7 +393,8 @@ static struct crypto_alg geode_cbc_alg = {
.cra_driver_name = "cbc-aes-geode",
.cra_priority = 400,
.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER |
CRYPTO_ALG_NEED_FALLBACK,
CRYPTO_ALG_KERN_DRIVER_ONLY |
CRYPTO_ALG_NEED_FALLBACK,
.cra_init = fallback_init_blk,
.cra_exit = fallback_exit_blk,
.cra_blocksize = AES_MIN_BLOCK_SIZE,
@ -479,7 +480,8 @@ static struct crypto_alg geode_ecb_alg = {
.cra_driver_name = "ecb-aes-geode",
.cra_priority = 400,
.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER |
CRYPTO_ALG_NEED_FALLBACK,
CRYPTO_ALG_KERN_DRIVER_ONLY |
CRYPTO_ALG_NEED_FALLBACK,
.cra_init = fallback_init_blk,
.cra_exit = fallback_exit_blk,
.cra_blocksize = AES_MIN_BLOCK_SIZE,

3
drivers/crypto/hifn_795x.c
View File

@ -2494,7 +2494,8 @@ static int hifn_alg_alloc(struct hifn_device *dev, struct hifn_alg_template *t)
t->drv_name, dev->name);
alg->alg.cra_priority = 300;
alg->alg.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC;
alg->alg.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_ASYNC;
alg->alg.cra_blocksize = t->bsize;
alg->alg.cra_ctxsize = sizeof(struct hifn_context);
alg->alg.cra_alignmask = 0;

2
drivers/crypto/ixp4xx_crypto.c
View File

@ -1449,6 +1449,7 @@ static int __init ixp_module_init(void)
/* block ciphers */
cra->cra_type = &crypto_ablkcipher_type;
cra->cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
CRYPTO_ALG_KERN_DRIVER_ONLY |
CRYPTO_ALG_ASYNC;
if (!cra->cra_ablkcipher.setkey)
cra->cra_ablkcipher.setkey = ablk_setkey;
@ -1461,6 +1462,7 @@ static int __init ixp_module_init(void)
/* authenc */
cra->cra_type = &crypto_aead_type;
cra->cra_flags = CRYPTO_ALG_TYPE_AEAD |
CRYPTO_ALG_KERN_DRIVER_ONLY |
CRYPTO_ALG_ASYNC;
cra->cra_aead.setkey = aead_setkey;
cra->cra_aead.setauthsize = aead_setauthsize;

12
drivers/crypto/mv_cesa.c
View File

@ -898,7 +898,8 @@ struct crypto_alg mv_aes_alg_ecb = {
.cra_name = "ecb(aes)",
.cra_driver_name = "mv-ecb-aes",
.cra_priority = 300,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_ASYNC,
.cra_blocksize = 16,
.cra_ctxsize = sizeof(struct mv_ctx),
.cra_alignmask = 0,
@ -920,7 +921,8 @@ struct crypto_alg mv_aes_alg_cbc = {
.cra_name = "cbc(aes)",
.cra_driver_name = "mv-cbc-aes",
.cra_priority = 300,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_ASYNC,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct mv_ctx),
.cra_alignmask = 0,
@ -952,7 +954,8 @@ struct ahash_alg mv_sha1_alg = {
.cra_driver_name = "mv-sha1",
.cra_priority = 300,
.cra_flags =
CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK,
CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY |
CRYPTO_ALG_NEED_FALLBACK,
.cra_blocksize = SHA1_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct mv_tfm_hash_ctx),
.cra_init = mv_cra_hash_sha1_init,
@ -976,7 +979,8 @@ struct ahash_alg mv_hmac_sha1_alg = {
.cra_driver_name = "mv-hmac-sha1",
.cra_priority = 300,
.cra_flags =
CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK,
CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY |
CRYPTO_ALG_NEED_FALLBACK,
.cra_blocksize = SHA1_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct mv_tfm_hash_ctx),
.cra_init = mv_cra_hash_hmac_sha1_init,

7
drivers/crypto/n2_core.c
View File

@ -1402,7 +1402,8 @@ static int __devinit __n2_register_one_cipher(const struct n2_cipher_tmpl *tmpl)
snprintf(alg->cra_name, CRYPTO_MAX_ALG_NAME, "%s", tmpl->name);
snprintf(alg->cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s-n2", tmpl->drv_name);
alg->cra_priority = N2_CRA_PRIORITY;
alg->cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC;
alg->cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_ASYNC;
alg->cra_blocksize = tmpl->block_size;
p->enc_type = tmpl->enc_type;
alg->cra_ctxsize = sizeof(struct n2_cipher_context);
@ -1493,7 +1494,9 @@ static int __devinit __n2_register_one_ahash(const struct n2_hash_tmpl *tmpl)
snprintf(base->cra_name, CRYPTO_MAX_ALG_NAME, "%s", tmpl->name);
snprintf(base->cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s-n2", tmpl->name);
base->cra_priority = N2_CRA_PRIORITY;
base->cra_flags = CRYPTO_ALG_TYPE_AHASH | CRYPTO_ALG_NEED_FALLBACK;
base->cra_flags = CRYPTO_ALG_TYPE_AHASH |
CRYPTO_ALG_KERN_DRIVER_ONLY |
CRYPTO_ALG_NEED_FALLBACK;
base->cra_blocksize = tmpl->block_size;
base->cra_ctxsize = sizeof(struct n2_hash_ctx);
base->cra_module = THIS_MODULE;

8
drivers/crypto/omap-aes.c
View File

@ -756,7 +756,9 @@ static struct crypto_alg algs[] = {
.cra_name = "ecb(aes)",
.cra_driver_name = "ecb-aes-omap",
.cra_priority = 100,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
CRYPTO_ALG_KERN_DRIVER_ONLY |
CRYPTO_ALG_ASYNC,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct omap_aes_ctx),
.cra_alignmask = 0,
@ -776,7 +778,9 @@ static struct crypto_alg algs[] = {
.cra_name = "cbc(aes)",
.cra_driver_name = "cbc-aes-omap",
.cra_priority = 100,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
CRYPTO_ALG_KERN_DRIVER_ONLY |
CRYPTO_ALG_ASYNC,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct omap_aes_ctx),
.cra_alignmask = 0,

4
drivers/crypto/omap-sham.c
View File

@ -953,6 +953,7 @@ static struct ahash_alg algs[] = {
.cra_driver_name = "omap-sha1",
.cra_priority = 100,
.cra_flags = CRYPTO_ALG_TYPE_AHASH |
CRYPTO_ALG_KERN_DRIVER_ONLY |
CRYPTO_ALG_ASYNC |
CRYPTO_ALG_NEED_FALLBACK,
.cra_blocksize = SHA1_BLOCK_SIZE,
@ -975,6 +976,7 @@ static struct ahash_alg algs[] = {
.cra_driver_name = "omap-md5",
.cra_priority = 100,
.cra_flags = CRYPTO_ALG_TYPE_AHASH |
CRYPTO_ALG_KERN_DRIVER_ONLY |
CRYPTO_ALG_ASYNC |
CRYPTO_ALG_NEED_FALLBACK,
.cra_blocksize = SHA1_BLOCK_SIZE,
@ -998,6 +1000,7 @@ static struct ahash_alg algs[] = {
.cra_driver_name = "omap-hmac-sha1",
.cra_priority = 100,
.cra_flags = CRYPTO_ALG_TYPE_AHASH |
CRYPTO_ALG_KERN_DRIVER_ONLY |
CRYPTO_ALG_ASYNC |
CRYPTO_ALG_NEED_FALLBACK,
.cra_blocksize = SHA1_BLOCK_SIZE,
@ -1022,6 +1025,7 @@ static struct ahash_alg algs[] = {
.cra_driver_name = "omap-hmac-md5",
.cra_priority = 100,
.cra_flags = CRYPTO_ALG_TYPE_AHASH |
CRYPTO_ALG_KERN_DRIVER_ONLY |
CRYPTO_ALG_ASYNC |
CRYPTO_ALG_NEED_FALLBACK,
.cra_blocksize = SHA1_BLOCK_SIZE,

46
drivers/crypto/picoxcell_crypto.c
View File

@ -1322,6 +1322,7 @@ static struct spacc_alg ipsec_engine_algs[] = {
.cra_driver_name = "cbc-aes-picoxcell",
.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
CRYPTO_ALG_KERN_DRIVER_ONLY |
CRYPTO_ALG_ASYNC |
CRYPTO_ALG_NEED_FALLBACK,
.cra_blocksize = AES_BLOCK_SIZE,
@ -1349,6 +1350,7 @@ static struct spacc_alg ipsec_engine_algs[] = {
.cra_driver_name = "ecb-aes-picoxcell",
.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
CRYPTO_ALG_KERN_DRIVER_ONLY |
CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct spacc_ablk_ctx),
@ -1373,7 +1375,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
.cra_name = "cbc(des)",
.cra_driver_name = "cbc-des-picoxcell",
.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
CRYPTO_ALG_ASYNC |
CRYPTO_ALG_KERN_DRIVER_ONLY,
.cra_blocksize = DES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct spacc_ablk_ctx),
.cra_type = &crypto_ablkcipher_type,
@ -1398,7 +1402,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
.cra_name = "ecb(des)",
.cra_driver_name = "ecb-des-picoxcell",
.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
CRYPTO_ALG_ASYNC |
CRYPTO_ALG_KERN_DRIVER_ONLY,
.cra_blocksize = DES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct spacc_ablk_ctx),
.cra_type = &crypto_ablkcipher_type,
@ -1422,7 +1428,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
.cra_name = "cbc(des3_ede)",
.cra_driver_name = "cbc-des3-ede-picoxcell",
.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
CRYPTO_ALG_ASYNC |
CRYPTO_ALG_KERN_DRIVER_ONLY,
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct spacc_ablk_ctx),
.cra_type = &crypto_ablkcipher_type,
@ -1447,7 +1455,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
.cra_name = "ecb(des3_ede)",
.cra_driver_name = "ecb-des3-ede-picoxcell",
.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
CRYPTO_ALG_ASYNC |
CRYPTO_ALG_KERN_DRIVER_ONLY,
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct spacc_ablk_ctx),
.cra_type = &crypto_ablkcipher_type,
@ -1472,7 +1482,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
.cra_name = "authenc(hmac(sha1),cbc(aes))",
.cra_driver_name = "authenc-hmac-sha1-cbc-aes-picoxcell",
.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
.cra_flags = CRYPTO_ALG_TYPE_AEAD |
CRYPTO_ALG_ASYNC |
CRYPTO_ALG_KERN_DRIVER_ONLY,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct spacc_aead_ctx),
.cra_type = &crypto_aead_type,
@ -1500,7 +1512,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
.cra_name = "authenc(hmac(sha256),cbc(aes))",
.cra_driver_name = "authenc-hmac-sha256-cbc-aes-picoxcell",
.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
.cra_flags = CRYPTO_ALG_TYPE_AEAD |
CRYPTO_ALG_ASYNC |
CRYPTO_ALG_KERN_DRIVER_ONLY,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct spacc_aead_ctx),
.cra_type = &crypto_aead_type,
@ -1527,7 +1541,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
.cra_name = "authenc(hmac(md5),cbc(aes))",
.cra_driver_name = "authenc-hmac-md5-cbc-aes-picoxcell",
.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
.cra_flags = CRYPTO_ALG_TYPE_AEAD |
CRYPTO_ALG_ASYNC |
CRYPTO_ALG_KERN_DRIVER_ONLY,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct spacc_aead_ctx),
.cra_type = &crypto_aead_type,
@ -1554,7 +1570,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
.cra_name = "authenc(hmac(sha1),cbc(des3_ede))",
.cra_driver_name = "authenc-hmac-sha1-cbc-3des-picoxcell",
.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
.cra_flags = CRYPTO_ALG_TYPE_AEAD |
CRYPTO_ALG_ASYNC |
CRYPTO_ALG_KERN_DRIVER_ONLY,
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct spacc_aead_ctx),
.cra_type = &crypto_aead_type,
@ -1582,7 +1600,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
.cra_name = "authenc(hmac(sha256),cbc(des3_ede))",
.cra_driver_name = "authenc-hmac-sha256-cbc-3des-picoxcell",
.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
.cra_flags = CRYPTO_ALG_TYPE_AEAD |
CRYPTO_ALG_ASYNC |
CRYPTO_ALG_KERN_DRIVER_ONLY,
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct spacc_aead_ctx),
.cra_type = &crypto_aead_type,
@ -1609,7 +1629,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
.cra_name = "authenc(hmac(md5),cbc(des3_ede))",
.cra_driver_name = "authenc-hmac-md5-cbc-3des-picoxcell",
.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
.cra_flags = CRYPTO_ALG_TYPE_AEAD |
CRYPTO_ALG_ASYNC |
CRYPTO_ALG_KERN_DRIVER_ONLY,
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct spacc_aead_ctx),
.cra_type = &crypto_aead_type,
@ -1639,7 +1661,9 @@ static struct spacc_alg l2_engine_algs[] = {
.cra_name = "f8(kasumi)",
.cra_driver_name = "f8-kasumi-picoxcell",
.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_GIVCIPHER | CRYPTO_ALG_ASYNC,
.cra_flags = CRYPTO_ALG_TYPE_GIVCIPHER |
CRYPTO_ALG_ASYNC |
CRYPTO_ALG_KERN_DRIVER_ONLY,
.cra_blocksize = 8,
.cra_ctxsize = sizeof(struct spacc_ablk_ctx),
.cra_type = &crypto_ablkcipher_type,

6
drivers/crypto/s5p-sss.c
View File

@ -518,7 +518,8 @@ static struct crypto_alg algs[] = {
.cra_driver_name = "ecb-aes-s5p",
.cra_priority = 100,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
CRYPTO_ALG_ASYNC,
CRYPTO_ALG_ASYNC |
CRYPTO_ALG_KERN_DRIVER_ONLY,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct s5p_aes_ctx),
.cra_alignmask = 0x0f,
@ -538,7 +539,8 @@ static struct crypto_alg algs[] = {
.cra_driver_name = "cbc-aes-s5p",
.cra_priority = 100,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
CRYPTO_ALG_ASYNC,
CRYPTO_ALG_ASYNC |
CRYPTO_ALG_KERN_DRIVER_ONLY,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct s5p_aes_ctx),
.cra_alignmask = 0x0f,

1
drivers/crypto/talitos.c
View File

@ -2648,6 +2648,7 @@ static struct talitos_crypto_alg *talitos_alg_alloc(struct device *dev,
alg->cra_priority = TALITOS_CRA_PRIORITY;
alg->cra_alignmask = 0;
alg->cra_ctxsize = sizeof(struct talitos_ctx);
alg->cra_flags |= CRYPTO_ALG_KERN_DRIVER_ONLY;
t_alg->dev = dev;

5
include/linux/crypto.h
View File

@ -75,6 +75,11 @@
*/
#define CRYPTO_ALG_INSTANCE 0x00000800
/* Set this bit if the algorithm provided is hardware accelerated but
* not available to userspace via instruction set or so.
*/
#define CRYPTO_ALG_KERN_DRIVER_ONLY 0x00001000
/*
* Transform masks and values (for crt_flags).
*/