X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fopenssl%2Fcipher.h;h=20535ed3431c16e832d06985aebb2e2755209af2;hb=551cd19406a560d0d206bff5b4e9da064ec222b6;hp=68acb4108cde08ab050134f639c6398e21f1685f;hpb=1b8f8918360b40a2749d40355266ed7dedbe41b5;p=tinc

diff --git a/src/openssl/cipher.h b/src/openssl/cipher.h
index 68acb410..20535ed3 100644
--- a/src/openssl/cipher.h
+++ b/src/openssl/cipher.h
@@ -24,6 +24,10 @@
 
 #include <openssl/evp.h>
 
+#define CIPHER_MAX_BLOCK_SIZE EVP_MAX_BLOCK_LENGTH
+#define CIPHER_MAX_KEY_SIZE EVP_MAX_KEY_LENGTH
+#define CIPHER_MAX_IV_SIZE EVP_MAX_IV_LENGTH
+
 typedef struct cipher {
 	EVP_CIPHER_CTX ctx;
 	const EVP_CIPHER *cipher;
@@ -41,8 +45,8 @@ extern void cipher_get_key(const cipher_t *, void *);
 extern bool cipher_set_key(cipher_t *, void *, bool);
 extern bool cipher_set_key_from_rsa(cipher_t *, void *, size_t, bool);
 extern bool cipher_regenerate_key(cipher_t *, bool);
-extern bool cipher_encrypt(cipher_t *, void *indata, size_t inlen, void *outdata, size_t *outlen, bool);
-extern bool cipher_decrypt(cipher_t *, void *indata, size_t inlen, void *outdata, size_t *outlen, bool);
+extern bool cipher_encrypt(cipher_t *, const void *indata, size_t inlen, void *outdata, size_t *outlen, bool);
+extern bool cipher_decrypt(cipher_t *, const void *indata, size_t inlen, void *outdata, size_t *outlen, bool);
 extern int cipher_get_nid(const cipher_t *);
 extern bool cipher_active(const cipher_t *);