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Commit 4ad78ddc authored by Andrei Ciubotariu's avatar Andrei Ciubotariu Committed by Automerger Merge Worker
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Merge "Revert "MGF1 Digest setter: Handle case of flag off"" into main am: ab71405e 

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2853709



Change-Id: I3d4e43001142756d2e3c76af07c471c4af0b67e3
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 7677cfc5 ab71405e

core/api/current.txt

+6 −6
Original line number Diff line number Diff line
@@ -39578,7 +39578,7 @@ package android.security.keystore { 
    method @Nullable public java.util.Date getKeyValidityStart();

    method @NonNull public String getKeystoreAlias();

    method public int getMaxUsageCount();

    method @FlaggedApi("android.security.mgf1_digest_setter") @NonNull public java.util.Set<java.lang.String> getMgf1Digests();

    method @FlaggedApi("MGF1_DIGEST_SETTER") @NonNull public java.util.Set<java.lang.String> getMgf1Digests();

    method public int getPurposes();

    method @NonNull public String[] getSignaturePaddings();

    method public int getUserAuthenticationType();
@@ -39586,7 +39586,7 @@ package android.security.keystore { 
    method public boolean isDevicePropertiesAttestationIncluded();

    method @NonNull public boolean isDigestsSpecified();

    method public boolean isInvalidatedByBiometricEnrollment();

    method @FlaggedApi("android.security.mgf1_digest_setter") @NonNull public boolean isMgf1DigestsSpecified();

    method @FlaggedApi("MGF1_DIGEST_SETTER") @NonNull public boolean isMgf1DigestsSpecified();

    method public boolean isRandomizedEncryptionRequired();

    method public boolean isStrongBoxBacked();

    method public boolean isUnlockedDeviceRequired();
@@ -39618,7 +39618,7 @@ package android.security.keystore { 
    method @NonNull public android.security.keystore.KeyGenParameterSpec.Builder setKeyValidityForOriginationEnd(java.util.Date);

    method @NonNull public android.security.keystore.KeyGenParameterSpec.Builder setKeyValidityStart(java.util.Date);

    method @NonNull public android.security.keystore.KeyGenParameterSpec.Builder setMaxUsageCount(int);

    method @FlaggedApi("android.security.mgf1_digest_setter") @NonNull public android.security.keystore.KeyGenParameterSpec.Builder setMgf1Digests(@NonNull java.lang.String...);

    method @FlaggedApi("MGF1_DIGEST_SETTER") @NonNull public android.security.keystore.KeyGenParameterSpec.Builder setMgf1Digests(@NonNull java.lang.String...);

    method @NonNull public android.security.keystore.KeyGenParameterSpec.Builder setRandomizedEncryptionRequired(boolean);

    method @NonNull public android.security.keystore.KeyGenParameterSpec.Builder setSignaturePaddings(java.lang.String...);

    method @NonNull public android.security.keystore.KeyGenParameterSpec.Builder setUnlockedDeviceRequired(boolean);
@@ -39723,14 +39723,14 @@ package android.security.keystore { 
    method @Nullable public java.util.Date getKeyValidityForOriginationEnd();

    method @Nullable public java.util.Date getKeyValidityStart();

    method public int getMaxUsageCount();

    method @FlaggedApi("android.security.mgf1_digest_setter") @NonNull public java.util.Set<java.lang.String> getMgf1Digests();

    method @FlaggedApi("MGF1_DIGEST_SETTER") @NonNull public java.util.Set<java.lang.String> getMgf1Digests();

    method public int getPurposes();

    method @NonNull public String[] getSignaturePaddings();

    method public int getUserAuthenticationType();

    method public int getUserAuthenticationValidityDurationSeconds();

    method public boolean isDigestsSpecified();

    method public boolean isInvalidatedByBiometricEnrollment();

    method @FlaggedApi("android.security.mgf1_digest_setter") @NonNull public boolean isMgf1DigestsSpecified();

    method @FlaggedApi("MGF1_DIGEST_SETTER") @NonNull public boolean isMgf1DigestsSpecified();

    method public boolean isRandomizedEncryptionRequired();

    method public boolean isUnlockedDeviceRequired();

    method public boolean isUserAuthenticationRequired();
@@ -39752,7 +39752,7 @@ package android.security.keystore { 
    method @NonNull public android.security.keystore.KeyProtection.Builder setKeyValidityForOriginationEnd(java.util.Date);

    method @NonNull public android.security.keystore.KeyProtection.Builder setKeyValidityStart(java.util.Date);

    method @NonNull public android.security.keystore.KeyProtection.Builder setMaxUsageCount(int);

    method @FlaggedApi("android.security.mgf1_digest_setter") @NonNull public android.security.keystore.KeyProtection.Builder setMgf1Digests(@Nullable java.lang.String...);

    method @FlaggedApi("MGF1_DIGEST_SETTER") @NonNull public android.security.keystore.KeyProtection.Builder setMgf1Digests(@Nullable java.lang.String...);

    method @NonNull public android.security.keystore.KeyProtection.Builder setRandomizedEncryptionRequired(boolean);

    method @NonNull public android.security.keystore.KeyProtection.Builder setSignaturePaddings(java.lang.String...);

    method @NonNull public android.security.keystore.KeyProtection.Builder setUnlockedDeviceRequired(boolean);

core/java/android/security/flags.aconfig

+0 −7
Original line number Diff line number Diff line
@@ -7,13 +7,6 @@ flag { 
    bug: "285185747"

}



flag {

    name: "mgf1_digest_setter"

    namespace: "hardware_backed_security"

    description: "Feature flag for mgf1 digest setter in key generation and import parameters."

    bug: "308378912"

}



flag {

    name: "fix_unlocked_device_required_keys_v2"

    namespace: "hardware_backed_security"

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

+3 −3
Original line number Diff line number Diff line
@@ -618,7 +618,7 @@ public final class KeyGenParameterSpec implements AlgorithmParameterSpec, UserAu 
     * @see #isMgf1DigestsSpecified()

     */

    @NonNull

    @FlaggedApi(android.security.Flags.FLAG_MGF1_DIGEST_SETTER)

    @FlaggedApi("MGF1_DIGEST_SETTER")

    public @KeyProperties.DigestEnum Set<String> getMgf1Digests() {

        if (mMgf1Digests.isEmpty()) {

            throw new IllegalStateException("Mask generation function (MGF) not specified");
@@ -633,7 +633,7 @@ public final class KeyGenParameterSpec implements AlgorithmParameterSpec, UserAu 
     * @see #getMgf1Digests()

     */

    @NonNull

    @FlaggedApi(android.security.Flags.FLAG_MGF1_DIGEST_SETTER)

    @FlaggedApi("MGF1_DIGEST_SETTER")

    public boolean isMgf1DigestsSpecified() {

        return !mMgf1Digests.isEmpty();

    }
@@ -1292,7 +1292,7 @@ public final class KeyGenParameterSpec implements AlgorithmParameterSpec, UserAu 
         * <p>See {@link KeyProperties}.{@code DIGEST} constants.

         */

        @NonNull

        @FlaggedApi(android.security.Flags.FLAG_MGF1_DIGEST_SETTER)

        @FlaggedApi("MGF1_DIGEST_SETTER")

        public Builder setMgf1Digests(@NonNull @KeyProperties.DigestEnum String... mgf1Digests) {

            mMgf1Digests = Set.of(mgf1Digests);

            return this;

keystore/java/android/security/keystore/KeyProtection.java

+3 −3
Original line number Diff line number Diff line
@@ -401,7 +401,7 @@ public final class KeyProtection implements ProtectionParameter, UserAuthArgs { 
     * @see #isMgf1DigestsSpecified()

     */

    @NonNull

    @FlaggedApi(android.security.Flags.FLAG_MGF1_DIGEST_SETTER)

    @FlaggedApi("MGF1_DIGEST_SETTER")

    public @KeyProperties.DigestEnum Set<String> getMgf1Digests() {

        if (mMgf1Digests.isEmpty()) {

            throw new IllegalStateException("Mask generation function (MGF) not specified");
@@ -416,7 +416,7 @@ public final class KeyProtection implements ProtectionParameter, UserAuthArgs { 
     * @see #getMgf1Digests()

     */

    @NonNull

    @FlaggedApi(android.security.Flags.FLAG_MGF1_DIGEST_SETTER)

    @FlaggedApi("MGF1_DIGEST_SETTER")

    public boolean isMgf1DigestsSpecified() {

        return !mMgf1Digests.isEmpty();

    }
@@ -799,7 +799,7 @@ public final class KeyProtection implements ProtectionParameter, UserAuthArgs { 
         * <p>See {@link KeyProperties}.{@code DIGEST} constants.

         */

        @NonNull

        @FlaggedApi(android.security.Flags.FLAG_MGF1_DIGEST_SETTER)

        @FlaggedApi("MGF1_DIGEST_SETTER")

        public Builder setMgf1Digests(@Nullable @KeyProperties.DigestEnum String... mgf1Digests) {

            mMgf1Digests = Set.of(mgf1Digests);

            return this;

keystore/java/android/security/keystore2/AndroidKeyStoreKeyPairGeneratorSpi.java

+0 −17
Original line number Diff line number Diff line
@@ -28,7 +28,6 @@ import android.hardware.security.keymint.SecurityLevel; 
import android.hardware.security.keymint.Tag;

import android.os.Build;

import android.os.StrictMode;

import android.security.Flags;

import android.security.KeyPairGeneratorSpec;

import android.security.KeyStore2;

import android.security.KeyStoreException;
@@ -854,22 +853,6 @@ public abstract class AndroidKeyStoreKeyPairGeneratorSpi extends KeyPairGenerato 
                            KeymasterDefs.KM_TAG_RSA_OAEP_MGF_DIGEST, mgf1Digest

                    ));

                });



                /* If the MGF1 Digest setter is not set, fall back to the previous behaviour:

                 * Add, as MGF1 Digest function, all the primary digests.

                 * Avoid adding the default MGF1 digest as it will have been included in the

                 * mKeymasterMgf1Digests field.

                 */

                if (!Flags.mgf1DigestSetter()) {

                    final int defaultMgf1Digest = KeyProperties.Digest.toKeymaster(

                            DEFAULT_MGF1_DIGEST);

                    ArrayUtils.forEach(mKeymasterDigests, (digest) -> {

                        if (digest != defaultMgf1Digest) {

                            params.add(KeyStore2ParameterUtils.makeEnum(

                                    KeymasterDefs.KM_TAG_RSA_OAEP_MGF_DIGEST, digest));

                        }

                    });

                }

            }

        });

        ArrayUtils.forEach(mKeymasterSignaturePaddings, (padding) -> {