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Commit b8fe0e98 authored by Eran Messeri's avatar Eran Messeri Committed by Gerrit Code Review
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Merge "Clarifying the KM challenge size" into main

parents ecf90eb7 83a90a4d

keystore/java/android/security/keystore/KeyGenParameterSpec.java

+2 −0
Original line number Original line Diff line number Diff line
@@ -1596,6 +1596,8 @@ public final class KeyGenParameterSpec implements AlgorithmParameterSpec, UserAu 
         * {@link #getAttestationChallenge()} returns non-null and the spec is used to generate a

         * {@link #getAttestationChallenge()} returns non-null and the spec is used to generate a

         * symmetric (AES or HMAC) key, {@link javax.crypto.KeyGenerator#generateKey()} will throw

         * symmetric (AES or HMAC) key, {@link javax.crypto.KeyGenerator#generateKey()} will throw

         * {@link java.security.InvalidAlgorithmParameterException}.

         * {@link java.security.InvalidAlgorithmParameterException}.

         *

         * <p>The challenge may be up to 128 bytes.

         */

         */

        @NonNull

        @NonNull

        public Builder setAttestationChallenge(byte[] attestationChallenge) {

        public Builder setAttestationChallenge(byte[] attestationChallenge) {