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authorEric Biggers <ebiggers@google.com>2017-02-24 15:46:58 -0800
committerHerbert Xu <herbert@gondor.apana.org.au>2017-03-09 18:34:27 +0800
commit60705e88974febde420a05eb39daa0d33d117903 (patch)
tree7517bdd0153afe820687b52c78afd375e18691e8
parent1e704ccb4b116eb4bac25ad5c4fb656ce28c5be0 (diff)
downloadlinux-crypto-60705e88974febde420a05eb39daa0d33d117903.tar.gz
linux-crypto-60705e88974febde420a05eb39daa0d33d117903.zip
crypto: kpp - constify buffer passed to crypto_kpp_set_secret()
Constify the buffer passed to crypto_kpp_set_secret() and kpp_alg.set_secret, since it is never modified. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
-rw-r--r--crypto/dh.c3
-rw-r--r--crypto/ecdh.c3
2 files changed, 4 insertions, 2 deletions
diff --git a/crypto/dh.c b/crypto/dh.c
index ddcb528a..87e3542c 100644
--- a/crypto/dh.c
+++ b/crypto/dh.c
@@ -79,7 +79,8 @@ static int dh_set_params(struct dh_ctx *ctx, struct dh *params)
return 0;
}
-static int dh_set_secret(struct crypto_kpp *tfm, void *buf, unsigned int len)
+static int dh_set_secret(struct crypto_kpp *tfm, const void *buf,
+ unsigned int len)
{
struct dh_ctx *ctx = dh_get_ctx(tfm);
struct dh params;
diff --git a/crypto/ecdh.c b/crypto/ecdh.c
index 3de28980..63ca3377 100644
--- a/crypto/ecdh.c
+++ b/crypto/ecdh.c
@@ -38,7 +38,8 @@ static unsigned int ecdh_supported_curve(unsigned int curve_id)
}
}
-static int ecdh_set_secret(struct crypto_kpp *tfm, void *buf, unsigned int len)
+static int ecdh_set_secret(struct crypto_kpp *tfm, const void *buf,
+ unsigned int len)
{
struct ecdh_ctx *ctx = ecdh_get_ctx(tfm);
struct ecdh params;