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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
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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).
*/