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path: root/drivers/crypto/ux500/cryp/cryp_core.c
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Diffstat (limited to 'drivers/crypto/ux500/cryp/cryp_core.c')
-rw-r--r--drivers/crypto/ux500/cryp/cryp_core.c371
1 files changed, 156 insertions, 215 deletions
diff --git a/drivers/crypto/ux500/cryp/cryp_core.c b/drivers/crypto/ux500/cryp/cryp_core.c
index 1628ae7a1467..95fb694a2667 100644
--- a/drivers/crypto/ux500/cryp/cryp_core.c
+++ b/drivers/crypto/ux500/cryp/cryp_core.c
@@ -30,6 +30,7 @@
#include <crypto/algapi.h>
#include <crypto/ctr.h>
#include <crypto/internal/des.h>
+#include <crypto/internal/skcipher.h>
#include <crypto/scatterwalk.h>
#include <linux/platform_data/crypto-ux500.h>
@@ -828,10 +829,10 @@ static int get_nents(struct scatterlist *sg, int nbytes)
return nents;
}
-static int ablk_dma_crypt(struct ablkcipher_request *areq)
+static int ablk_dma_crypt(struct skcipher_request *areq)
{
- struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(areq);
- struct cryp_ctx *ctx = crypto_ablkcipher_ctx(cipher);
+ struct crypto_skcipher *cipher = crypto_skcipher_reqtfm(areq);
+ struct cryp_ctx *ctx = crypto_skcipher_ctx(cipher);
struct cryp_device_data *device_data;
int bytes_written = 0;
@@ -840,8 +841,8 @@ static int ablk_dma_crypt(struct ablkcipher_request *areq)
pr_debug(DEV_DBG_NAME " [%s]", __func__);
- ctx->datalen = areq->nbytes;
- ctx->outlen = areq->nbytes;
+ ctx->datalen = areq->cryptlen;
+ ctx->outlen = areq->cryptlen;
ret = cryp_get_device_data(ctx, &device_data);
if (ret)
@@ -885,11 +886,11 @@ out:
return 0;
}
-static int ablk_crypt(struct ablkcipher_request *areq)
+static int ablk_crypt(struct skcipher_request *areq)
{
- struct ablkcipher_walk walk;
- struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(areq);
- struct cryp_ctx *ctx = crypto_ablkcipher_ctx(cipher);
+ struct skcipher_walk walk;
+ struct crypto_skcipher *cipher = crypto_skcipher_reqtfm(areq);
+ struct cryp_ctx *ctx = crypto_skcipher_ctx(cipher);
struct cryp_device_data *device_data;
unsigned long src_paddr;
unsigned long dst_paddr;
@@ -902,21 +903,20 @@ static int ablk_crypt(struct ablkcipher_request *areq)
if (ret)
goto out;
- ablkcipher_walk_init(&walk, areq->dst, areq->src, areq->nbytes);
- ret = ablkcipher_walk_phys(areq, &walk);
+ ret = skcipher_walk_async(&walk, areq);
if (ret) {
- pr_err(DEV_DBG_NAME "[%s]: ablkcipher_walk_phys() failed!",
+ pr_err(DEV_DBG_NAME "[%s]: skcipher_walk_async() failed!",
__func__);
goto out;
}
while ((nbytes = walk.nbytes) > 0) {
ctx->iv = walk.iv;
- src_paddr = (page_to_phys(walk.src.page) + walk.src.offset);
+ src_paddr = (page_to_phys(walk.src.phys.page) + walk.src.phys.offset);
ctx->indata = phys_to_virt(src_paddr);
- dst_paddr = (page_to_phys(walk.dst.page) + walk.dst.offset);
+ dst_paddr = (page_to_phys(walk.dst.phys.page) + walk.dst.phys.offset);
ctx->outdata = phys_to_virt(dst_paddr);
ctx->datalen = nbytes - (nbytes % ctx->blocksize);
@@ -926,11 +926,10 @@ static int ablk_crypt(struct ablkcipher_request *areq)
goto out;
nbytes -= ctx->datalen;
- ret = ablkcipher_walk_done(areq, &walk, nbytes);
+ ret = skcipher_walk_done(&walk, nbytes);
if (ret)
goto out;
}
- ablkcipher_walk_complete(&walk);
out:
/* Release the device */
@@ -948,10 +947,10 @@ out:
return ret;
}
-static int aes_ablkcipher_setkey(struct crypto_ablkcipher *cipher,
+static int aes_skcipher_setkey(struct crypto_skcipher *cipher,
const u8 *key, unsigned int keylen)
{
- struct cryp_ctx *ctx = crypto_ablkcipher_ctx(cipher);
+ struct cryp_ctx *ctx = crypto_skcipher_ctx(cipher);
u32 *flags = &cipher->base.crt_flags;
pr_debug(DEV_DBG_NAME " [%s]", __func__);
@@ -983,15 +982,15 @@ static int aes_ablkcipher_setkey(struct crypto_ablkcipher *cipher,
return 0;
}
-static int des_ablkcipher_setkey(struct crypto_ablkcipher *cipher,
+static int des_skcipher_setkey(struct crypto_skcipher *cipher,
const u8 *key, unsigned int keylen)
{
- struct cryp_ctx *ctx = crypto_ablkcipher_ctx(cipher);
+ struct cryp_ctx *ctx = crypto_skcipher_ctx(cipher);
int err;
pr_debug(DEV_DBG_NAME " [%s]", __func__);
- err = verify_ablkcipher_des_key(cipher, key);
+ err = verify_skcipher_des_key(cipher, key);
if (err)
return err;
@@ -1002,15 +1001,15 @@ static int des_ablkcipher_setkey(struct crypto_ablkcipher *cipher,
return 0;
}
-static int des3_ablkcipher_setkey(struct crypto_ablkcipher *cipher,
+static int des3_skcipher_setkey(struct crypto_skcipher *cipher,
const u8 *key, unsigned int keylen)
{
- struct cryp_ctx *ctx = crypto_ablkcipher_ctx(cipher);
+ struct cryp_ctx *ctx = crypto_skcipher_ctx(cipher);
int err;
pr_debug(DEV_DBG_NAME " [%s]", __func__);
- err = verify_ablkcipher_des3_key(cipher, key);
+ err = verify_skcipher_des3_key(cipher, key);
if (err)
return err;
@@ -1021,10 +1020,10 @@ static int des3_ablkcipher_setkey(struct crypto_ablkcipher *cipher,
return 0;
}
-static int cryp_blk_encrypt(struct ablkcipher_request *areq)
+static int cryp_blk_encrypt(struct skcipher_request *areq)
{
- struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(areq);
- struct cryp_ctx *ctx = crypto_ablkcipher_ctx(cipher);
+ struct crypto_skcipher *cipher = crypto_skcipher_reqtfm(areq);
+ struct cryp_ctx *ctx = crypto_skcipher_ctx(cipher);
pr_debug(DEV_DBG_NAME " [%s]", __func__);
@@ -1039,10 +1038,10 @@ static int cryp_blk_encrypt(struct ablkcipher_request *areq)
return ablk_crypt(areq);
}
-static int cryp_blk_decrypt(struct ablkcipher_request *areq)
+static int cryp_blk_decrypt(struct skcipher_request *areq)
{
- struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(areq);
- struct cryp_ctx *ctx = crypto_ablkcipher_ctx(cipher);
+ struct crypto_skcipher *cipher = crypto_skcipher_reqtfm(areq);
+ struct cryp_ctx *ctx = crypto_skcipher_ctx(cipher);
pr_debug(DEV_DBG_NAME " [%s]", __func__);
@@ -1058,19 +1057,19 @@ static int cryp_blk_decrypt(struct ablkcipher_request *areq)
struct cryp_algo_template {
enum cryp_algo_mode algomode;
- struct crypto_alg crypto;
+ struct skcipher_alg skcipher;
};
-static int cryp_cra_init(struct crypto_tfm *tfm)
+static int cryp_init_tfm(struct crypto_skcipher *tfm)
{
- struct cryp_ctx *ctx = crypto_tfm_ctx(tfm);
- struct crypto_alg *alg = tfm->__crt_alg;
+ struct cryp_ctx *ctx = crypto_skcipher_ctx(tfm);
+ struct skcipher_alg *alg = crypto_skcipher_alg(tfm);
struct cryp_algo_template *cryp_alg = container_of(alg,
struct cryp_algo_template,
- crypto);
+ skcipher);
ctx->config.algomode = cryp_alg->algomode;
- ctx->blocksize = crypto_tfm_alg_blocksize(tfm);
+ ctx->blocksize = crypto_skcipher_blocksize(tfm);
return 0;
}
@@ -1078,205 +1077,147 @@ static int cryp_cra_init(struct crypto_tfm *tfm)
static struct cryp_algo_template cryp_algs[] = {
{
.algomode = CRYP_ALGO_AES_ECB,
- .crypto = {
- .cra_name = "aes",
- .cra_driver_name = "aes-ux500",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
- CRYPTO_ALG_ASYNC,
- .cra_blocksize = AES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct cryp_ctx),
- .cra_alignmask = 3,
- .cra_type = &crypto_ablkcipher_type,
- .cra_init = cryp_cra_init,
- .cra_module = THIS_MODULE,
- .cra_u = {
- .ablkcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .setkey = aes_ablkcipher_setkey,
- .encrypt = cryp_blk_encrypt,
- .decrypt = cryp_blk_decrypt
- }
- }
- }
- },
- {
- .algomode = CRYP_ALGO_AES_ECB,
- .crypto = {
- .cra_name = "ecb(aes)",
- .cra_driver_name = "ecb-aes-ux500",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
- CRYPTO_ALG_ASYNC,
- .cra_blocksize = AES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct cryp_ctx),
- .cra_alignmask = 3,
- .cra_type = &crypto_ablkcipher_type,
- .cra_init = cryp_cra_init,
- .cra_module = THIS_MODULE,
- .cra_u = {
- .ablkcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .setkey = aes_ablkcipher_setkey,
- .encrypt = cryp_blk_encrypt,
- .decrypt = cryp_blk_decrypt,
- }
- }
+ .skcipher = {
+ .base.cra_name = "ecb(aes)",
+ .base.cra_driver_name = "ecb-aes-ux500",
+ .base.cra_priority = 300,
+ .base.cra_flags = CRYPTO_ALG_ASYNC,
+ .base.cra_blocksize = AES_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct cryp_ctx),
+ .base.cra_alignmask = 3,
+ .base.cra_module = THIS_MODULE,
+
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .setkey = aes_skcipher_setkey,
+ .encrypt = cryp_blk_encrypt,
+ .decrypt = cryp_blk_decrypt,
+ .init = cryp_init_tfm,
}
},
{
.algomode = CRYP_ALGO_AES_CBC,
- .crypto = {
- .cra_name = "cbc(aes)",
- .cra_driver_name = "cbc-aes-ux500",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
- CRYPTO_ALG_ASYNC,
- .cra_blocksize = AES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct cryp_ctx),
- .cra_alignmask = 3,
- .cra_type = &crypto_ablkcipher_type,
- .cra_init = cryp_cra_init,
- .cra_module = THIS_MODULE,
- .cra_u = {
- .ablkcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .setkey = aes_ablkcipher_setkey,
- .encrypt = cryp_blk_encrypt,
- .decrypt = cryp_blk_decrypt,
- .ivsize = AES_BLOCK_SIZE,
- }
- }
+ .skcipher = {
+ .base.cra_name = "cbc(aes)",
+ .base.cra_driver_name = "cbc-aes-ux500",
+ .base.cra_priority = 300,
+ .base.cra_flags = CRYPTO_ALG_ASYNC,
+ .base.cra_blocksize = AES_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct cryp_ctx),
+ .base.cra_alignmask = 3,
+ .base.cra_module = THIS_MODULE,
+
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .setkey = aes_skcipher_setkey,
+ .encrypt = cryp_blk_encrypt,
+ .decrypt = cryp_blk_decrypt,
+ .init = cryp_init_tfm,
+ .ivsize = AES_BLOCK_SIZE,
}
},
{
.algomode = CRYP_ALGO_AES_CTR,
- .crypto = {
- .cra_name = "ctr(aes)",
- .cra_driver_name = "ctr-aes-ux500",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
- CRYPTO_ALG_ASYNC,
- .cra_blocksize = AES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct cryp_ctx),
- .cra_alignmask = 3,
- .cra_type = &crypto_ablkcipher_type,
- .cra_init = cryp_cra_init,
- .cra_module = THIS_MODULE,
- .cra_u = {
- .ablkcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .setkey = aes_ablkcipher_setkey,
- .encrypt = cryp_blk_encrypt,
- .decrypt = cryp_blk_decrypt,
- .ivsize = AES_BLOCK_SIZE,
- }
- }
+ .skcipher = {
+ .base.cra_name = "ctr(aes)",
+ .base.cra_driver_name = "ctr-aes-ux500",
+ .base.cra_priority = 300,
+ .base.cra_flags = CRYPTO_ALG_ASYNC,
+ .base.cra_blocksize = 1,
+ .base.cra_ctxsize = sizeof(struct cryp_ctx),
+ .base.cra_alignmask = 3,
+ .base.cra_module = THIS_MODULE,
+
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .setkey = aes_skcipher_setkey,
+ .encrypt = cryp_blk_encrypt,
+ .decrypt = cryp_blk_decrypt,
+ .init = cryp_init_tfm,
+ .ivsize = AES_BLOCK_SIZE,
+ .chunksize = AES_BLOCK_SIZE,
}
},
{
.algomode = CRYP_ALGO_DES_ECB,
- .crypto = {
- .cra_name = "ecb(des)",
- .cra_driver_name = "ecb-des-ux500",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
- CRYPTO_ALG_ASYNC,
- .cra_blocksize = DES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct cryp_ctx),
- .cra_alignmask = 3,
- .cra_type = &crypto_ablkcipher_type,
- .cra_init = cryp_cra_init,
- .cra_module = THIS_MODULE,
- .cra_u = {
- .ablkcipher = {
- .min_keysize = DES_KEY_SIZE,
- .max_keysize = DES_KEY_SIZE,
- .setkey = des_ablkcipher_setkey,
- .encrypt = cryp_blk_encrypt,
- .decrypt = cryp_blk_decrypt,
- }
- }
+ .skcipher = {
+ .base.cra_name = "ecb(des)",
+ .base.cra_driver_name = "ecb-des-ux500",
+ .base.cra_priority = 300,
+ .base.cra_flags = CRYPTO_ALG_ASYNC,
+ .base.cra_blocksize = DES_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct cryp_ctx),
+ .base.cra_alignmask = 3,
+ .base.cra_module = THIS_MODULE,
+
+ .min_keysize = DES_KEY_SIZE,
+ .max_keysize = DES_KEY_SIZE,
+ .setkey = des_skcipher_setkey,
+ .encrypt = cryp_blk_encrypt,
+ .decrypt = cryp_blk_decrypt,
+ .init = cryp_init_tfm,
}
},
{
.algomode = CRYP_ALGO_TDES_ECB,
- .crypto = {
- .cra_name = "ecb(des3_ede)",
- .cra_driver_name = "ecb-des3_ede-ux500",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
- CRYPTO_ALG_ASYNC,
- .cra_blocksize = DES3_EDE_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct cryp_ctx),
- .cra_alignmask = 3,
- .cra_type = &crypto_ablkcipher_type,
- .cra_init = cryp_cra_init,
- .cra_module = THIS_MODULE,
- .cra_u = {
- .ablkcipher = {
- .min_keysize = DES3_EDE_KEY_SIZE,
- .max_keysize = DES3_EDE_KEY_SIZE,
- .setkey = des3_ablkcipher_setkey,
- .encrypt = cryp_blk_encrypt,
- .decrypt = cryp_blk_decrypt,
- }
- }
+ .skcipher = {
+ .base.cra_name = "ecb(des3_ede)",
+ .base.cra_driver_name = "ecb-des3_ede-ux500",
+ .base.cra_priority = 300,
+ .base.cra_flags = CRYPTO_ALG_ASYNC,
+ .base.cra_blocksize = DES3_EDE_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct cryp_ctx),
+ .base.cra_alignmask = 3,
+ .base.cra_module = THIS_MODULE,
+
+ .min_keysize = DES3_EDE_KEY_SIZE,
+ .max_keysize = DES3_EDE_KEY_SIZE,
+ .setkey = des3_skcipher_setkey,
+ .encrypt = cryp_blk_encrypt,
+ .decrypt = cryp_blk_decrypt,
+ .init = cryp_init_tfm,
}
},
{
.algomode = CRYP_ALGO_DES_CBC,
- .crypto = {
- .cra_name = "cbc(des)",
- .cra_driver_name = "cbc-des-ux500",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
- CRYPTO_ALG_ASYNC,
- .cra_blocksize = DES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct cryp_ctx),
- .cra_alignmask = 3,
- .cra_type = &crypto_ablkcipher_type,
- .cra_init = cryp_cra_init,
- .cra_module = THIS_MODULE,
- .cra_u = {
- .ablkcipher = {
- .min_keysize = DES_KEY_SIZE,
- .max_keysize = DES_KEY_SIZE,
- .setkey = des_ablkcipher_setkey,
- .encrypt = cryp_blk_encrypt,
- .decrypt = cryp_blk_decrypt,
- }
- }
+ .skcipher = {
+ .base.cra_name = "cbc(des)",
+ .base.cra_driver_name = "cbc-des-ux500",
+ .base.cra_priority = 300,
+ .base.cra_flags = CRYPTO_ALG_ASYNC,
+ .base.cra_blocksize = DES_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct cryp_ctx),
+ .base.cra_alignmask = 3,
+ .base.cra_module = THIS_MODULE,
+
+ .min_keysize = DES_KEY_SIZE,
+ .max_keysize = DES_KEY_SIZE,
+ .setkey = des_skcipher_setkey,
+ .encrypt = cryp_blk_encrypt,
+ .decrypt = cryp_blk_decrypt,
+ .ivsize = DES_BLOCK_SIZE,
+ .init = cryp_init_tfm,
}
},
{
.algomode = CRYP_ALGO_TDES_CBC,
- .crypto = {
- .cra_name = "cbc(des3_ede)",
- .cra_driver_name = "cbc-des3_ede-ux500",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
- CRYPTO_ALG_ASYNC,
- .cra_blocksize = DES3_EDE_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct cryp_ctx),
- .cra_alignmask = 3,
- .cra_type = &crypto_ablkcipher_type,
- .cra_init = cryp_cra_init,
- .cra_module = THIS_MODULE,
- .cra_u = {
- .ablkcipher = {
- .min_keysize = DES3_EDE_KEY_SIZE,
- .max_keysize = DES3_EDE_KEY_SIZE,
- .setkey = des3_ablkcipher_setkey,
- .encrypt = cryp_blk_encrypt,
- .decrypt = cryp_blk_decrypt,
- .ivsize = DES3_EDE_BLOCK_SIZE,
- }
- }
+ .skcipher = {
+ .base.cra_name = "cbc(des3_ede)",
+ .base.cra_driver_name = "cbc-des3_ede-ux500",
+ .base.cra_priority = 300,
+ .base.cra_flags = CRYPTO_ALG_ASYNC,
+ .base.cra_blocksize = DES3_EDE_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct cryp_ctx),
+ .base.cra_alignmask = 3,
+ .base.cra_module = THIS_MODULE,
+
+ .min_keysize = DES3_EDE_KEY_SIZE,
+ .max_keysize = DES3_EDE_KEY_SIZE,
+ .setkey = des3_skcipher_setkey,
+ .encrypt = cryp_blk_encrypt,
+ .decrypt = cryp_blk_decrypt,
+ .ivsize = DES3_EDE_BLOCK_SIZE,
+ .init = cryp_init_tfm,
}
}
};
@@ -1293,18 +1234,18 @@ static int cryp_algs_register_all(void)
pr_debug("[%s]", __func__);
for (i = 0; i < ARRAY_SIZE(cryp_algs); i++) {
- ret = crypto_register_alg(&cryp_algs[i].crypto);
+ ret = crypto_register_skcipher(&cryp_algs[i].skcipher);
if (ret) {
count = i;
pr_err("[%s] alg registration failed",
- cryp_algs[i].crypto.cra_driver_name);
+ cryp_algs[i].skcipher.base.cra_driver_name);
goto unreg;
}
}
return 0;
unreg:
for (i = 0; i < count; i++)
- crypto_unregister_alg(&cryp_algs[i].crypto);
+ crypto_unregister_skcipher(&cryp_algs[i].skcipher);
return ret;
}
@@ -1318,7 +1259,7 @@ static void cryp_algs_unregister_all(void)
pr_debug(DEV_DBG_NAME " [%s]", __func__);
for (i = 0; i < ARRAY_SIZE(cryp_algs); i++)
- crypto_unregister_alg(&cryp_algs[i].crypto);
+ crypto_unregister_skcipher(&cryp_algs[i].skcipher);
}
static int ux500_cryp_probe(struct platform_device *pdev)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.