lapo.it
JavaScript generic ASN.1 parser (mirror)
Better support for integers.
+14
-3
+14
-3
asn1.js
+14
-3
asn1.js
···
87
87
return s;
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88
}
89
89
Stream.prototype.parseInteger = function(start, end) {
90
-
if ((end - start) > 4)
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-
return undefined;
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90
//TODO support negative numbers
91
+
var len = end - start;
92
+
if (len > 4) {
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+
len <<= 3;
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+
var s = this.get(start);
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+
if (s == 0)
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+
len -= 8;
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+
else
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+
while (s < 128) {
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+
short <<= 1;
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+
--len;
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+
}
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+
return "(" + len + " bit)";
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+
}
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var n = 0;
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for (var i = start; i < end; ++i)
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106
n = (n << 8) | this.get(i);
···
105
116
if (s == undefined)
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117
s = parseInt(n / 40) + "." + (n % 40);
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118
else
108
-
s += "." + ((bits >= 31) ? "big" : n);
119
+
s += "." + ((bits >= 31) ? "bigint" : n);
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120
n = bits = 0;
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121
}
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s += String.fromCharCode();