diff options
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/cryptd.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/crypto/cryptd.c b/crypto/cryptd.c index d29e06b350f..93b98c525b3 100644 --- a/crypto/cryptd.c +++ b/crypto/cryptd.c @@ -12,6 +12,7 @@ #include <crypto/algapi.h> #include <crypto/internal/hash.h> +#include <crypto/cryptd.h> #include <linux/err.h> #include <linux/init.h> #include <linux/kernel.h> @@ -537,6 +538,40 @@ static struct crypto_template cryptd_tmpl = { .module = THIS_MODULE, }; +struct cryptd_ablkcipher *cryptd_alloc_ablkcipher(const char *alg_name, + u32 type, u32 mask) +{ + char cryptd_alg_name[CRYPTO_MAX_ALG_NAME]; + struct crypto_ablkcipher *tfm; + + if (snprintf(cryptd_alg_name, CRYPTO_MAX_ALG_NAME, + "cryptd(%s)", alg_name) >= CRYPTO_MAX_ALG_NAME) + return ERR_PTR(-EINVAL); + tfm = crypto_alloc_ablkcipher(cryptd_alg_name, type, mask); + if (IS_ERR(tfm)) + return ERR_CAST(tfm); + if (crypto_ablkcipher_tfm(tfm)->__crt_alg->cra_module != THIS_MODULE) { + crypto_free_ablkcipher(tfm); + return ERR_PTR(-EINVAL); + } + + return __cryptd_ablkcipher_cast(tfm); +} +EXPORT_SYMBOL_GPL(cryptd_alloc_ablkcipher); + +struct crypto_blkcipher *cryptd_ablkcipher_child(struct cryptd_ablkcipher *tfm) +{ + struct cryptd_blkcipher_ctx *ctx = crypto_ablkcipher_ctx(&tfm->base); + return ctx->child; +} +EXPORT_SYMBOL_GPL(cryptd_ablkcipher_child); + +void cryptd_free_ablkcipher(struct cryptd_ablkcipher *tfm) +{ + crypto_free_ablkcipher(&tfm->base); +} +EXPORT_SYMBOL_GPL(cryptd_free_ablkcipher); + static inline int cryptd_create_thread(struct cryptd_state *state, int (*fn)(void *data), const char *name) { |