X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;ds=inline;f=src%2Fopenssl%2Fcipher.c;h=743449a33a498f70c7bdf9c37f54c3623ca0d386;hb=3d75dbc0880484ff6d2f689a9b981def3cd75b5e;hp=86a1acad889d981a8afcbdbed2eb58b0490b5260;hpb=791c1898ea8f92b07f1d79e90540c257ac38298d;p=tinc

diff --git a/src/openssl/cipher.c b/src/openssl/cipher.c
index 86a1acad..743449a3 100644
--- a/src/openssl/cipher.c
+++ b/src/openssl/cipher.c
@@ -101,13 +101,13 @@ bool cipher_encrypt(cipher_t *cipher, const void *indata, size_t inlen, void *ou
 		if(EVP_EncryptInit_ex(&cipher->ctx, NULL, NULL, NULL, NULL)
 				&& EVP_EncryptUpdate(&cipher->ctx, (unsigned char *)outdata, &len, indata, inlen)
 				&& EVP_EncryptFinal(&cipher->ctx, (unsigned char *)outdata + len, &pad)) {
-			*outlen = len + pad;
+			if(outlen) *outlen = len + pad;
 			return true;
 		}
 	} else {
 		int len;
 		if(EVP_EncryptUpdate(&cipher->ctx, outdata, &len, indata, inlen)) {
-			*outlen = len;
+			if(outlen) *outlen = len;
 			return true;
 		}
 	}
@@ -122,13 +122,13 @@ bool cipher_decrypt(cipher_t *cipher, const void *indata, size_t inlen, void *ou
 		if(EVP_DecryptInit_ex(&cipher->ctx, NULL, NULL, NULL, NULL)
 				&& EVP_DecryptUpdate(&cipher->ctx, (unsigned char *)outdata, &len, indata, inlen)
 				&& EVP_DecryptFinal(&cipher->ctx, (unsigned char *)outdata + len, &pad)) {
-			*outlen = len + pad;
+			if(outlen) *outlen = len + pad;
 			return true;
 		}
 	} else {
 		int len;
 		if(EVP_EncryptUpdate(&cipher->ctx, outdata, &len, indata, inlen)) {
-			*outlen = len;
+			if(outlen) *outlen = len;
 			return true;
 		}
 	}