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Resize a local buffer to accomodate the size requirements of AES.

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Protect against future mistakes with an assert().
This commit is contained in:
Richard Levitte 2001-04-08 05:41:42 +00:00
parent 77dd9c1850
commit 42748c084e
1 changed files with 5 additions and 1 deletions
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6
ssl/s3_enc.c
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@ -57,6 +57,7 @@
*/ */
#include <stdio.h> #include <stdio.h>
#include <assert.h>
#include <openssl/md5.h> #include <openssl/md5.h>
#include <openssl/sha.h> #include <openssl/sha.h>
#include <openssl/evp.h> #include <openssl/evp.h>
@ -85,7 +86,7 @@ static void ssl3_generate_key_block(SSL *s, unsigned char *km, int num)
{ {
MD5_CTX m5; MD5_CTX m5;
SHA_CTX s1; SHA_CTX s1;
unsigned char buf[8],smd[SHA_DIGEST_LENGTH]; unsigned char buf[16],smd[SHA_DIGEST_LENGTH];
unsigned char c='A'; unsigned char c='A';
int i,j,k; int i,j,k;
@ -96,6 +97,9 @@ static void ssl3_generate_key_block(SSL *s, unsigned char *km, int num)
for (i=0; i<num; i+=MD5_DIGEST_LENGTH) for (i=0; i<num; i+=MD5_DIGEST_LENGTH)
{ {
k++; k++;
/* If this assert is triggered, it means buf needs to be
resized. This should never be triggered in a release. */
assert(k <= sizeof(buf));
for (j=0; j<k; j++) for (j=0; j<k; j++)
buf[j]=c; buf[j]=c;
c++; c++;