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https://github.com/moparisthebest/curl
synced 2024-12-22 08:08:50 -05:00
Fix compiler warning: conversion from "int" to "unsigned char"
may lose significant bits
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parent
0164f0cf81
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@ -1349,7 +1349,7 @@ static void randomize_key(unsigned char* key,int key_data_len)
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if ( !randomized ) {
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for (;counter<key_data_len;counter++)
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key[counter]=rand() % 256;
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key[counter]=(unsigned char)(rand() % 256);
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}
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}
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@ -1369,18 +1369,18 @@ static int init_id_key(rc4_key* key,int key_data_len)
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state = &key->state[0];
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for(counter = 0; counter < 256; counter++)
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/* unnecessary AND but it keeps some compilers happier */
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state[counter] = counter & 0xff;
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state[counter] = (unsigned char)(counter & 0xff);
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key->x = 0;
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key->y = 0;
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index1 = 0;
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index2 = 0;
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for(counter = 0; counter < 256; counter++)
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{
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index2 = (key_data_ptr[index1] + state[counter] +
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index2) % 256;
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index2 = (unsigned char)((key_data_ptr[index1] + state[counter] +
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index2) % 256);
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ARES_SWAP_BYTE(&state[counter], &state[index2]);
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index1 = (index1 + 1) % key_data_len;
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index1 = (unsigned char)((index1 + 1) % key_data_len);
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}
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free(key_data_ptr);
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return ARES_SUCCESS;
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@ -53,13 +53,13 @@ void ares__rc4(rc4_key* key, unsigned char *buffer_ptr, int buffer_len)
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state = &key->state[0];
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for(counter = 0; counter < buffer_len; counter ++)
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{
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x = (x + 1) % 256;
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y = (state[x] + y) % 256;
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ARES_SWAP_BYTE(&state[x], &state[y]);
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x = (unsigned char)((x + 1) % 256);
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y = (unsigned char)((state[x] + y) % 256);
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ARES_SWAP_BYTE(&state[x], &state[y]);
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xorIndex = (state[x] + state[y]) % 256;
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xorIndex = (unsigned char)((state[x] + state[y]) % 256);
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buffer_ptr[counter] ^= state[xorIndex];
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buffer_ptr[counter] = (unsigned char)(buffer_ptr[counter]^state[xorIndex]);
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}
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key->x = x;
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key->y = y;
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