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author | Ard Biesheuvel <ardb@kernel.org> | 2019-11-08 13:22:18 +0100 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-11-17 09:02:40 +0800 |
commit | d94bd9d8cbda847af13a88714122bca6301de68e (patch) | |
tree | f8539ad9ae5b1cb1ec503c59dc70ed7a6ef19f47 /crypto/chacha_generic.c | |
parent | ad261a4d13e1128853932f8f3cdcad4d68d12a92 (diff) | |
download | linux-crypto-d94bd9d8cbda847af13a88714122bca6301de68e.tar.gz linux-crypto-d94bd9d8cbda847af13a88714122bca6301de68e.zip |
crypto: chacha - unexport chacha_generic routines
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 <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to '')
-rw-r--r-- | crypto/chacha_generic.c | 26 |
1 files changed, 8 insertions, 18 deletions
diff --git a/crypto/chacha_generic.c b/crypto/chacha_generic.c index ebae6d9d..c1b14731 100644 --- a/crypto/chacha_generic.c +++ b/crypto/chacha_generic.c @@ -21,7 +21,7 @@ static int chacha_stream_xor(struct skcipher_request *req, err = skcipher_walk_virt(&walk, req, false); - crypto_chacha_init(state, ctx, iv); + chacha_init_generic(state, ctx->key, iv); while (walk.nbytes > 0) { unsigned int nbytes = walk.nbytes; @@ -37,36 +37,27 @@ 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); @@ -75,7 +66,7 @@ int crypto_xchacha_crypt(struct skcipher_request *req) u8 real_iv[16]; /* Compute the subkey given the original key and first 128 nonce bits */ - crypto_chacha_init(state, ctx, req->iv); + chacha_init_generic(state, ctx->key, req->iv); hchacha_block_generic(state, subctx.key, ctx->nrounds); subctx.nrounds = ctx->nrounds; @@ -86,7 +77,6 @@ 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[] = { { |