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Cleanup real_calc_response_and_checksum()

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@22963 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
rtogni
2007-04-09 22:11:31 +00:00
parent 350e6eef26
commit 8df280eb31
1 changed files with 5 additions and 10 deletions
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stream/realrtsp/real.c
+5 -10
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@@ -88,9 +88,7 @@ static void real_calc_response_and_checksum (char *response, char *chksum, char
int ch_len;
int i;
char *ptr;
char buf[128];
unsigned char zres[16];
unsigned char zres[16], buf[128];
/* initialize return values */
memset(response, 0, 64);
@@ -98,11 +96,8 @@ static void real_calc_response_and_checksum (char *response, char *chksum, char
/* initialize buffer */
memset(buf, 0, 128);
ptr=buf;
AV_WB32(ptr, 0xa1e9149d);
ptr+=4;
AV_WB32(ptr, 0x0e6b3b59);
ptr+=4;
AV_WB32(buf, 0xa1e9149d);
AV_WB32(buf+4, 0x0e6b3b59);
/* some (length) checks */
if (challenge != NULL)
@@ -117,12 +112,12 @@ static void real_calc_response_and_checksum (char *response, char *chksum, char
if ( ch_len > 56 ) ch_len=56;
/* copy challenge to buf */
memcpy(ptr, challenge, ch_len);
memcpy(buf+8, challenge, ch_len);
}
/* xor challenge bytewise with xor_table */
for (i=0; i<XOR_TABLE_SIZE; i++)
ptr[i] = ptr[i] ^ xor_table[i];
buf[8+i] ^= xor_table[i];
av_md5_sum(zres, buf, 64);