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crypt: handle length format violation for length=40

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This commit is contained in:
Denys Smirnov 2018-10-08 18:35:33 +03:00
parent 84284c88ec
commit 5d09fa8cde
1 changed files with 1 additions and 1 deletions
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2
pdf/core/security/crypt/filter_v2.go
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@ -34,7 +34,7 @@ func newFilterV2(d FilterDict) (Filter, error) {
// Standard security handler expresses the length in multiples of 8 (16 means 128)
// We only deal with standard so far. (Public key not supported yet).
if d.Length < 5 || d.Length > 16 {
if d.Length == 64 || d.Length == 128 {
if d.Length == 40 || d.Length == 64 || d.Length == 128 {
common.Log.Debug("STANDARD VIOLATION: Crypt Length appears to be in bits rather than bytes - assuming bits (%d)", d.Length)
d.Length /= 8
} else {