Add javadoc documentation to Trustworthiness class

This commit is contained in:
Paul Schaub 2022-05-12 16:24:55 +02:00
parent d2b48e83d9
commit 870af0e005
1 changed files with 55 additions and 2 deletions

View File

@ -4,6 +4,11 @@
package org.pgpainless.algorithm;
/**
* Facade class for {@link org.bouncycastle.bcpg.sig.TrustSignature}.
* A trust signature subpacket marks the trustworthiness of a certificate and defines its capabilities to act
* as a trusted introducer.
*/
public class Trustworthiness {
private final int amount;
@ -18,34 +23,82 @@ public class Trustworthiness {
this.depth = capDepth(depth);
}
/**
* Get the trust amount.
* This value means how confident the issuer of the signature is in validity of the binding.
*
* @return trust amount
*/
public int getAmount() {
return amount;
}
/**
* Get the depth of the trust signature.
* This value controls, whether the certificate can act as a trusted introducer.
*
* @return depth
*/
public int getDepth() {
return depth;
}
/**
* Returns true, if the trust amount is equal to 0.
* This means the key is not trusted.
*
* Otherwise return false
* @return true if untrusted
*/
public boolean isNotTrusted() {
return getAmount() == NOT_TRUSTED;
}
/**
* Return true if the certificate is at least marginally trusted.
* That is the case, if the trust amount is greater than 0.
*
* @return true if the cert is at least marginally trusted
*/
public boolean isMarginallyTrusted() {
return getAmount() > NOT_TRUSTED;
}
/**
* Return true if the certificate is fully trusted. That is the case if the trust amount is
* greater than or equal to 120.
*
* @return true if the cert is fully trusted
*/
public boolean isFullyTrusted() {
return getAmount() >= THRESHOLD_FULLY_CONVINCED;
}
/**
* Return true, if the cert is an introducer. That is the case if the depth is greater 0.
*
* @return true if introducer
*/
public boolean isIntroducer() {
return getDepth() >= 1;
}
/**
* Return true, if the certified cert can introduce certificates with trust depth of <pre>otherDepth</pre>.
*
* @param otherDepth other certifications trust depth
* @return true if the cert can introduce the other
*/
public boolean canIntroduce(int otherDepth) {
return getDepth() > otherDepth;
}
/**
* Return true, if the certified cert can introduce certificates with the given <pre>other</pre> trust depth.
*
* @param other other certificates trust depth
* @return true if the cert can introduce the other
*/
public boolean canIntroduce(Trustworthiness other) {
return canIntroduce(other.getDepth());
}
@ -107,13 +160,13 @@ public class Trustworthiness {
}
/**
* The key is a level <pre>n</pre> meta introducer.
* The key is a meta introducer of depth <pre>n</pre>.
* This key can introduce meta introducers of depth <pre>n - 1</pre>.
*
* @param n depth
* @return trust
*/
public Trustworthiness levelNIntroducer(int n) {
public Trustworthiness metaIntroducerOfDepth(int n) {
return new Trustworthiness(amount, n);
}
}