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(der_get_int): handle len == 0. based on a patch from Love

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<lha@stacken.kth.se>


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@11211 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
2002-08-22 19:11:07 +00:00
parent 6274df487f
commit 3284bae206
1 changed files with 5 additions and 4 deletions
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9
lib/asn1/der_get.c
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@@ -1,5 +1,5 @@
/* /*
* Copyright (c) 1997 - 2001 Kungliga Tekniska H<>gskolan * Copyright (c) 1997 - 2002 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden). * (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved. * All rights reserved.
* *
@@ -66,10 +66,11 @@ der_get_int (const unsigned char *p, size_t len,
int val = 0; int val = 0;
size_t oldlen = len; size_t oldlen = len;
if (len--) if (len > 0) {
val = (signed char)*p++; val = (signed char)*p++;
while (len--) while (--len)
val = val * 256 + *p++; val = val * 256 + *p++;
}
*ret = val; *ret = val;
if(size) *size = oldlen; if(size) *size = oldlen;
return 0; return 0;