fix(session): allow password/token to be longer than userkey

This commit is contained in:
Hivert Quentin
2025-06-23 09:27:51 +02:00
parent a782424a30
commit 516606baff

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@@ -162,11 +162,23 @@
// Get the key length and its bytes
data = [theKey dataByDecodingBase64];
key = (char *)[data bytes];
klen = [data length];
//value longer than the key, concatenate the key with itself until long enough
if (klen < [theValue length])
[self errorWithFormat: @"Value to be secured is too big (%i > %i) -- secured value will be corrupted", [theValue length], klen, [theKey length]];
{
NSMutableData *concatenatedData = [NSMutableData data];
int j;
int nbDuplication = [theValue length]/klen;
for(j=0; j <= nbDuplication; j++)
[concatenatedData appendData:data];
data = [NSData dataWithData: concatenatedData];
klen = [data length];
}
key = (char *)[data bytes];
// Get the key - padding it with 0 with key length
pass = (char *) calloc(klen, sizeof(char));
@@ -201,7 +213,6 @@
// Get the key length and its bytes
dataKey = [theKey dataByDecodingBase64];
key = (char *)[dataKey bytes];
klen = [dataKey length];
// Get the secured value length and its bytes
@@ -209,6 +220,20 @@
value = (char *)[dataValue bytes];
vlen = [dataValue length];
//If the key is shorer than the value, duplicate it with itself.
if(klen < vlen)
{
NSMutableData *concatenatedData = [NSMutableData data];
int j;
int nbDuplication = [dataValue length]/klen;
for(j=0; j <= nbDuplication; j++)
[concatenatedData appendData:dataKey];
dataKey = [NSData dataWithData: concatenatedData];
klen = [dataKey length];
}
key = (char *)[dataKey bytes];
// Target buffer
buf = (char *) calloc(klen, sizeof(char));