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authorEric Biggers <ebiggers@google.com>2019-06-02 22:47:14 -0700
committerHerbert Xu <herbert@gondor.apana.org.au>2019-06-13 14:31:40 +0800
commit860ab2e50204c41e713c54c752617d2da57f0fd7 (patch)
tree925afd2b64bb253f4963c9b6154ffb3306870824 /include/crypto
parentcrypto: chacha20poly1305 - a few cleanups (diff)
downloadlinux-dev-860ab2e50204c41e713c54c752617d2da57f0fd7.tar.xz
linux-dev-860ab2e50204c41e713c54c752617d2da57f0fd7.zip
crypto: chacha - constify ctx and iv arguments
Constify the ctx and iv arguments to crypto_chacha_init() and the various chacha*_stream_xor() functions. This makes it clear that they are not modified. Signed-off-by: Eric Biggers <ebiggers@google.com> Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto')
-rw-r--r--include/crypto/chacha.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/crypto/chacha.h b/include/crypto/chacha.h
index 1fc70a69d550..d1e723c6a37d 100644
--- a/include/crypto/chacha.h
+++ b/include/crypto/chacha.h
@@ -41,7 +41,7 @@ static inline void chacha20_block(u32 *state, u8 *stream)
}
void hchacha_block(const u32 *in, u32 *out, int nrounds);
-void crypto_chacha_init(u32 *state, struct chacha_ctx *ctx, u8 *iv);
+void crypto_chacha_init(u32 *state, const struct chacha_ctx *ctx, const u8 *iv);
int crypto_chacha20_setkey(struct crypto_skcipher *tfm, const u8 *key,
unsigned int keysize);