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Update getLength in PDEncryprion according to specification #724

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Merged
MaximPlusov merged 2 commits into from
Aug 27, 2026
Merged

Update getLength in PDEncryprion according to specification #724

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3014e75
Update getLength in PDEncryprion according to specification
LonelyMidoriya Aug 27, 2026
0ab7f42
Update PDEncryption.java
LonelyMidoriya Aug 27, 2026
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10 changes: 10 additions & 0 deletions src/main/java/org/verapdf/pd/encryption/PDEncryption.java
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,8 @@ public class PDEncryption extends PDObject {

private static final boolean DEFAULT_ENCRYPT_METADATA = true;
private static final int DEFAULT_LENGTH = 40;
private static final int DEFAULT_V4_LENGTH = 128;
private static final int DEFAULT_V5_LENGTH = 256;
private static final int DEFAULT_V = 0;
private Map<ASAtom, PDCryptFilter> cryptFilters;

Expand Down Expand Up @@ -92,6 +94,14 @@ public int getV() {
* @return the length of the encryption key, in bits.
*/
public int getLength() {
int v = getV();
if (v == 1) {
return DEFAULT_LENGTH;
} else if (v == 4) {
return DEFAULT_V4_LENGTH;
} else if (v == 5) {
return DEFAULT_V5_LENGTH;
}
return getIntWithDefault(ASAtom.LENGTH, DEFAULT_LENGTH);
}

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