From: Maksym Mamontov <madf@madf.info>
Date: Fri, 22 Jul 2022 19:38:27 +0000 (+0300)
Subject: Cryptography with void* in the interfaces.
X-Git-Url: https://git.stg.codes/stg.git/commitdiff_plain/38f134e6a96c08fdd7d4ed07ca3550e8434d56e9?hp=479b8853c2ab18c98926a9369a03888021e9b986

Cryptography with void* in the interfaces.
---

diff --git a/libs/crypto/blowfish.c b/libs/crypto/blowfish.c
index 384d3a10..42b9158a 100644
--- a/libs/crypto/blowfish.c
+++ b/libs/crypto/blowfish.c
@@ -384,10 +384,11 @@ Xl = Xl ^ ctx->P[0];
 *xr = Xr;
 }
 //-----------------------------------------------------------------------------
-void Blowfish_Init(BLOWFISH_CTX *ctx, unsigned char *key, int keyLen)
+void Blowfish_Init(BLOWFISH_CTX *ctx, void* key, int keyLen)
 {
 int i, j, k;
 uint32_t data, datal, datar;
+unsigned char* keyPtr = key;
 
 memset(ctx->S, 0, sizeof(ctx->S));
 
@@ -406,7 +407,7 @@ for (i = 0; i < N + 2; ++i)
 
     for (k = 0; k < 4; ++k)
         {
-        data = (data << 8) | key[j];
+        data = (data << 8) | keyPtr[j];
         j = j + 1;
         if (j >= keyLen)
             j = 0;
diff --git a/libs/crypto/include/stg/blowfish.h b/libs/crypto/include/stg/blowfish.h
index 6a4e6f31..101b2f6f 100644
--- a/libs/crypto/include/stg/blowfish.h
+++ b/libs/crypto/include/stg/blowfish.h
@@ -24,7 +24,7 @@ typedef struct {
   uint32_t S[4][256];
 } BLOWFISH_CTX;
 
-void Blowfish_Init(BLOWFISH_CTX * ctx, unsigned char * key, int keyLen);
+void Blowfish_Init(BLOWFISH_CTX * ctx, void* key, int keyLen);
 void Blowfish_Encrypt(const BLOWFISH_CTX * ctx, uint32_t * xl, uint32_t * xr);
 void Blowfish_Decrypt(const BLOWFISH_CTX * ctx, uint32_t * xl, uint32_t * xr);