Make ctx argument to ocb_digest const.

2 files changed, 2 insertions, 2 deletions

diff --git a/ocb.c b/ocb.c
index 40ad4aa7..3a96cf0c 100644
--- a/ocb.c
+++ b/ocb.c
@@ -247,7 +247,7 @@ ocb_decrypt (struct ocb_ctx *ctx, const struct ocb_key *key,
 }
 
 void
-ocb_digest (struct ocb_ctx *ctx, const struct ocb_key *key,
+ocb_digest (const struct ocb_ctx *ctx, const struct ocb_key *key,
 	    const void *cipher, nettle_cipher_func *f,
 	    size_t length, uint8_t *digest)
 {
diff --git a/ocb.h b/ocb.h
index 86ebef3a..8cf994e2 100644
--- a/ocb.h
+++ b/ocb.h
@@ -106,7 +106,7 @@ ocb_decrypt (struct ocb_ctx *ctx, const struct ocb_key *key,
 	     size_t length, uint8_t *dst, const uint8_t *src);
 
 void
-ocb_digest (struct ocb_ctx *ctx, const struct ocb_key *key,
+ocb_digest (const struct ocb_ctx *ctx, const struct ocb_key *key,
 	    const void *cipher, nettle_cipher_func *f,
 	    size_t length, uint8_t *digest);