Merge "identity: Add clarifications to newly added API." am: ad3097312c am: e502cbe5db (b8621b30) · Commits · e / os / android_frameworks_base

identity/java/android/security/identity/CredentialDataRequest.java

+25 −3

Original line number	Diff line number	Diff line
		@@ -153,7 +153,15 @@ public class CredentialDataRequest {
		/**
		* Sets whether to allow using an authentication key which use count has been exceeded.
		*
		* By default this is set to true.
		* <p>This is useful in situations where the application hasn't had a chance to renew
		* authentication keys, for example if the device hasn't been connected to the Internet or
		* if the issuing authority server has been down.
		*
		* <p>The reason this could be useful is that the privacy risk of reusing an authentication
		* key for a credential presentation could be significantly smaller compared to the
		* inconvenience of not being able to present the credential at all.
		*
		* <p>By default this is set to true.
		*
		* @param allowUsingExhaustedKeys whether to allow using an authentication key which use
		* count has been exceeded if no other key is available.
		@@ -167,7 +175,16 @@ public class CredentialDataRequest {
		/**
		* Sets whether to allow using an authentication key which is expired.
		*
		* By default this is set to false.
		* <p>This is useful in situations where the application hasn't had a chance to renew
		* authentication keys, for example if the device hasn't been connected to the Internet or
		* if the issuing authority server has been down.
		*
		* <p>The reason this could be useful is that many verifiers are likely to accept a
		* credential presentation using an expired authentication key (the credential itself
		* wouldn't be expired) and it's likely better for the holder to be able to do this than
		* not present their credential at all.
		*
		* <p>By default this is set to false.
		*
		* @param allowUsingExpiredKeys whether to allow using an authentication key which is
		* expired if no other key is available.
		@@ -181,7 +198,12 @@ public class CredentialDataRequest {
		/**
		* Sets whether to increment the use-count for the authentication key used.
		*
		* By default this is set to true.
		* <p>Not incrementing the use-count for an authentication key is useful in situations
		* where the authentication key is known with certainty to not be leaked. For example,
		* consider an application doing a credential presentation for the sole purpose of
		* displaying the credential data to the user (not for verification).
		*
		* <p>By default this is set to true.
		*
		* @param incrementUseCount whether to increment the use count of the authentication
		* key used.

identity/java/android/security/identity/PresentationSession.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -26,6 +26,9 @@ import java.security.PublicKey;
		/**
		* Class for presenting multiple documents to a remote verifier.
		*
		* <p>This should be used for all interactions with a remote verifier instead of the now deprecated
		* {@link IdentityCredential#getEntries(byte[], Map, byte[], byte[])} method.
		*
		* Use {@link IdentityCredentialStore#createPresentationSession(int)} to create a {@link
		* PresentationSession} instance.
		*/