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-rw-r--r--crypto/aead.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/crypto/aead.c b/crypto/aead.c
index c3c158ba9883..fbf0ec93bc8e 100644
--- a/crypto/aead.c
+++ b/crypto/aead.c
@@ -84,6 +84,42 @@ int crypto_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize)
}
EXPORT_SYMBOL_GPL(crypto_aead_setauthsize);
+int crypto_aead_encrypt(struct aead_request *req)
+{
+ struct crypto_aead *aead = crypto_aead_reqtfm(req);
+ struct crypto_alg *alg = aead->base.__crt_alg;
+ unsigned int cryptlen = req->cryptlen;
+ int ret;
+
+ crypto_stats_get(alg);
+ if (crypto_aead_get_flags(aead) & CRYPTO_TFM_NEED_KEY)
+ ret = -ENOKEY;
+ else
+ ret = crypto_aead_alg(aead)->encrypt(req);
+ crypto_stats_aead_encrypt(cryptlen, alg, ret);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(crypto_aead_encrypt);
+
+int crypto_aead_decrypt(struct aead_request *req)
+{
+ struct crypto_aead *aead = crypto_aead_reqtfm(req);
+ struct crypto_alg *alg = aead->base.__crt_alg;
+ unsigned int cryptlen = req->cryptlen;
+ int ret;
+
+ crypto_stats_get(alg);
+ if (crypto_aead_get_flags(aead) & CRYPTO_TFM_NEED_KEY)
+ ret = -ENOKEY;
+ else if (req->cryptlen < crypto_aead_authsize(aead))
+ ret = -EINVAL;
+ else
+ ret = crypto_aead_alg(aead)->decrypt(req);
+ crypto_stats_aead_decrypt(cryptlen, alg, ret);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(crypto_aead_decrypt);
+
static void crypto_aead_exit_tfm(struct crypto_tfm *tfm)
{
struct crypto_aead *aead = __crypto_aead_cast(tfm);