consistent use of 'const'

[pam_pcsc_cr.git] / gnu_crypto.c

diff --git a/gnu_crypto.c b/gnu_crypto.c
index 1b6092b661dcb1a672b7e8301b2eb48991d39665..5c8621d7f2f55b7aa22b0dc366b3d01f5280e207 100644 (file)
--- a/gnu_crypto.c
+++ b/gnu_crypto.c
@@ -36,8 +36,8 @@ static const char *gnu_init(void)
        return "gcrypt";
 }
 
-static unsigned long gnu_encrypt(void *key, int keylen, void *iv,
-                       void *pt, void *ct, int tlen)
+static unsigned long gnu_encrypt(const void *key, const int keylen, void *iv,
+                       const void *pt, void *ct, const int tlen)
 {
        gcry_error_t err;
        gcry_cipher_hd_t hd;
@@ -56,8 +56,8 @@ static unsigned long gnu_encrypt(void *key, int keylen, void *iv,
        return 0UL;
 }
 
-static unsigned long gnu_decrypt(void *key, int keylen, void *iv,
-                       void *ct, void *pt, int tlen)
+static unsigned long gnu_decrypt(const void *key, const int keylen, void *iv,
+                       const void *ct, void *pt, const int tlen)
 {
        gcry_error_t err;
        gcry_cipher_hd_t hd;
@@ -76,7 +76,8 @@ static unsigned long gnu_decrypt(void *key, int keylen, void *iv,
        return 0UL;
 }
 
-static unsigned long gnu_hash(void *pt, int tlen, void *tag, int *taglen)
+static unsigned long gnu_hash(const void *pt, const int tlen,
+                       void *tag, int *taglen)
 {
        gcry_error_t err;
        gcry_md_hd_t hd;
@@ -94,7 +95,8 @@ static unsigned long gnu_hash(void *pt, int tlen, void *tag, int *taglen)
        return 0UL;
 }
 
-static unsigned long gnu_hmac(void *key, int keylen, void *pt, int tlen,
+static unsigned long gnu_hmac(const void *key, const int keylen,
+                       const void *pt, const int tlen,
                        void *tag, int *taglen)
 {
        gcry_error_t err;
@@ -116,7 +118,7 @@ static unsigned long gnu_hmac(void *key, int keylen, void *pt, int tlen,
        return 0UL;
 }
 
-static const char *gnu_errstr(unsigned long err)
+static const char *gnu_errstr(const unsigned long err)
 {
        return gcry_strerror((gcry_error_t)err);
 }