Now that all users of generic ChaCha code have moved to the core library,
there is no longer a need for the generic ChaCha skcpiher driver to
export parts of it implementation for reuse by other drivers. So drop
the exports, and make the symbols static.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
---
crypto/chacha_generic.c | 28 +++++++++-----------
include/crypto/internal/chacha.h | 10 -------
2 files changed, 12 insertions(+), 26 deletions(-)
diff --git a/crypto/chacha_generic.c b/crypto/chacha_generic.c
index ebae6d9d9b32..a794df0e5b70 100644
--- a/crypto/chacha_generic.c
+++ b/crypto/chacha_generic.c
@@ -12,6 +12,12 @@
#include <crypto/internal/skcipher.h>
#include <linux/module.h>
+static void crypto_chacha_init(u32 *state, const struct chacha_ctx *ctx,
+ const u8 *iv)
+{
+ chacha_init_generic(state, ctx->key, iv);
+}
+
static int chacha_stream_xor(struct skcipher_request *req,
const struct chacha_ctx *ctx, const u8 *iv)
{
@@ -37,36 +43,27 @@ static int chacha_stream_xor(struct skcipher_request *req,
return err;
}
-void crypto_chacha_init(u32 *state, const struct chacha_ctx *ctx, const u8 *iv)
-{
- chacha_init_generic(state, ctx->key, iv);
-}
-EXPORT_SYMBOL_GPL(crypto_chacha_init);
-
-int crypto_chacha20_setkey(struct crypto_skcipher *tfm, const u8 *key,
- unsigned int keysize)
+static int crypto_chacha20_setkey(struct crypto_skcipher *tfm, const u8 *key,
+ unsigned int keysize)
{
return chacha_setkey(tfm, key, keysize, 20);
}
-EXPORT_SYMBOL_GPL(crypto_chacha20_setkey);
-int crypto_chacha12_setkey(struct crypto_skcipher *tfm, const u8 *key,
- unsigned int keysize)
+static int crypto_chacha12_setkey(struct crypto_skcipher *tfm, const u8 *key,
+ unsigned int keysize)
{
return chacha_setkey(tfm, key, keysize, 12);
}
-EXPORT_SYMBOL_GPL(crypto_chacha12_setkey);
-int crypto_chacha_crypt(struct skcipher_request *req)
+static int crypto_chacha_crypt(struct skcipher_request *req)
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct chacha_ctx *ctx = crypto_skcipher_ctx(tfm);
return chacha_stream_xor(req, ctx, req->iv);
}
-EXPORT_SYMBOL_GPL(crypto_chacha_crypt);
-int crypto_xchacha_crypt(struct skcipher_request *req)
+static int crypto_xchacha_crypt(struct skcipher_request *req)
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct chacha_ctx *ctx = crypto_skcipher_ctx(tfm);
@@ -86,7 +83,6 @@ int crypto_xchacha_crypt(struct skcipher_request *req)
/* Generate the stream and XOR it with the data */
return chacha_stream_xor(req, &subctx, real_iv);
}
-EXPORT_SYMBOL_GPL(crypto_xchacha_crypt);
static struct skcipher_alg algs[] = {
{
diff --git a/include/crypto/internal/chacha.h b/include/crypto/internal/chacha.h
index 8724545bc959..194980d58174 100644
--- a/include/crypto/internal/chacha.h
+++ b/include/crypto/internal/chacha.h
@@ -12,8 +12,6 @@ struct chacha_ctx {
int nrounds;
};
-void crypto_chacha_init(u32 *state, const struct chacha_ctx *ctx, const u8 *iv);
-
static inline int chacha_setkey(struct crypto_skcipher *tfm, const u8 *key,
unsigned int keysize, int nrounds)
{
@@ -30,12 +28,4 @@ static inline int chacha_setkey(struct crypto_skcipher *tfm, const u8 *key,
return 0;
}
-int crypto_chacha20_setkey(struct crypto_skcipher *tfm, const u8 *key,
- unsigned int keysize);
-int crypto_chacha12_setkey(struct crypto_skcipher *tfm, const u8 *key,
- unsigned int keysize);
-
-int crypto_chacha_crypt(struct skcipher_request *req);
-int crypto_xchacha_crypt(struct skcipher_request *req);
-
#endif /* _CRYPTO_CHACHA_H */
--
2.20.1
