* des.c (des_encrypt, des_decrypt): Use a const context pointer.

* des3.c (des3_encrypt, des3_decrypt): Likewise.

Rev: src/nettle/des.c:1.9
Rev: src/nettle/des.h:1.10
Rev: src/nettle/des3.c:1.3

des.c

@@ -228,7 +228,7 @@ des_set_key(struct des_ctx *ctx, const uint8_t *key)
 }
 
 void
-des_encrypt(struct des_ctx *ctx,
+des_encrypt(const struct des_ctx *ctx,
 	    unsigned length, uint8_t *dst,
 	    const uint8_t *src)
 {
@@ -245,7 +245,7 @@ des_encrypt(struct des_ctx *ctx,
 }
 
 void
-des_decrypt(struct des_ctx *ctx,
+des_decrypt(const struct des_ctx *ctx,
 	    unsigned length, uint8_t *dst,
 	    const uint8_t *src)
 {

des.h

@@ -66,11 +66,11 @@ int
 des_set_key(struct des_ctx *ctx, const uint8_t *key);
 
 void
-des_encrypt(struct des_ctx *ctx,
+des_encrypt(const struct des_ctx *ctx,
 	    unsigned length, uint8_t *dst,
 	    const uint8_t *src);
 void
-des_decrypt(struct des_ctx *ctx,
+des_decrypt(const struct des_ctx *ctx,
 	    unsigned length, uint8_t *dst,
 	    const uint8_t *src);
 
@@ -94,12 +94,12 @@ int
 des3_set_key(struct des3_ctx *ctx, const uint8_t *key);
 
 void
-des3_encrypt(struct des3_ctx *ctx,
-	    unsigned length, uint8_t *dst,
-	    const uint8_t *src);
+des3_encrypt(const struct des3_ctx *ctx,
+	     unsigned length, uint8_t *dst,
+	     const uint8_t *src);
 void
-des3_decrypt(struct des3_ctx *ctx,
-	    unsigned length, uint8_t *dst,
-	    const uint8_t *src);
+des3_decrypt(const struct des3_ctx *ctx,
+	     unsigned length, uint8_t *dst,
+	     const uint8_t *src);
 
 #endif /* NETTLE_DES_H_INCLUDED */

des3.c

@@ -50,7 +50,7 @@ des3_set_key(struct des3_ctx *ctx, const uint8_t *key)
 }
 
 void
-des3_encrypt(struct des3_ctx *ctx,
+des3_encrypt(const struct des3_ctx *ctx,
 	     unsigned length, uint8_t *dst,
 	     const uint8_t *src)
 {
@@ -63,9 +63,9 @@ des3_encrypt(struct des3_ctx *ctx,
 }
 
 void
-des3_decrypt(struct des3_ctx *ctx,
-	    unsigned length, uint8_t *dst,
-	    const uint8_t *src)
+des3_decrypt(const struct des3_ctx *ctx,
+	     unsigned length, uint8_t *dst,
+	     const uint8_t *src)
 {
   des_decrypt(&ctx->des[2],
 	      length, dst, src);