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Commit c61b70d1 authored by Jonathan Basseri's avatar Jonathan Basseri
Browse files

Javadoc cleanup of IpSecManager API. 

This changes only comments and annotations, which results
in minor API changes.

Bug: 63777932
Test: `make update-api` and visually inspect generated HTML.
Change-Id: I7a7a9244eade6cc55aca17a47e0a838cd6f84cc9
parent 2610ad05

api/current.txt

+0 −1
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@@ -25529,7 +25529,6 @@ package android.net { 
    method public void removeTransportModeTransform(java.io.FileDescriptor, android.net.IpSecTransform) throws java.io.IOException;

    method public android.net.IpSecManager.SecurityParameterIndex reserveSecurityParameterIndex(int, java.net.InetAddress) throws android.net.IpSecManager.ResourceUnavailableException;

    method public android.net.IpSecManager.SecurityParameterIndex reserveSecurityParameterIndex(int, java.net.InetAddress, int) throws android.net.IpSecManager.ResourceUnavailableException, android.net.IpSecManager.SpiUnavailableException;

    field public static final int INVALID_SECURITY_PARAMETER_INDEX = 0; // 0x0

  }















  public static final class IpSecManager.ResourceUnavailableException extends android.util.AndroidException {

























api/system-current.txt



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@@ -27725,7 +27725,6 @@ package android.net {













    method public void removeTransportModeTransform(java.io.FileDescriptor, android.net.IpSecTransform) throws java.io.IOException;















    method public android.net.IpSecManager.SecurityParameterIndex reserveSecurityParameterIndex(int, java.net.InetAddress) throws android.net.IpSecManager.ResourceUnavailableException;















    method public android.net.IpSecManager.SecurityParameterIndex reserveSecurityParameterIndex(int, java.net.InetAddress, int) throws android.net.IpSecManager.ResourceUnavailableException, android.net.IpSecManager.SpiUnavailableException;













    field public static final int INVALID_SECURITY_PARAMETER_INDEX = 0; // 0x0















  }





























  public static final class IpSecManager.ResourceUnavailableException extends android.util.AndroidException {

























core/java/android/net/IpSecAlgorithm.java



+32
−30




























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@@ -15,6 +15,7 @@













 */















package android.net;





























import android.annotation.NonNull;















import android.annotation.StringDef;















import android.os.Build;















import android.os.Parcel;









@@ -27,8 +28,10 @@ import java.lang.annotation.RetentionPolicy;













import java.util.Arrays;































/**













 * IpSecAlgorithm specifies a single algorithm that can be applied to an IpSec Transform. Refer to













 * RFC 4301.













 * This class represents a single algorithm that can be used by an {@link IpSecTransform}.













 *













 * @see <a href="https://tools.ietf.org/html/rfc4301">RFC 4301, Security Architecture for the













 * Internet Protocol</a>















 */















public final class IpSecAlgorithm implements Parcelable {















    /**









@@ -39,16 +42,16 @@ public final class IpSecAlgorithm implements Parcelable {













    public static final String CRYPT_AES_CBC = "cbc(aes)";































    /**













     * MD5 HMAC Authentication/Integrity Algorithm. This algorithm is not recommended for use in new













     * applications and is provided for legacy compatibility with 3gpp infrastructure.













     * MD5 HMAC Authentication/Integrity Algorithm. <b>This algorithm is not recommended for use in













     * new applications and is provided for legacy compatibility with 3gpp infrastructure.</b>















     *















     * <p>Valid truncation lengths are multiples of 8 bits from 96 to (default) 128.















     */















    public static final String AUTH_HMAC_MD5 = "hmac(md5)";































    /**













     * SHA1 HMAC Authentication/Integrity Algorithm. This algorithm is not recommended for use in













     * new applications and is provided for legacy compatibility with 3gpp infrastructure.













     * SHA1 HMAC Authentication/Integrity Algorithm. <b>This algorithm is not recommended for use in













     * new applications and is provided for legacy compatibility with 3gpp infrastructure.</b>















     *















     * <p>Valid truncation lengths are multiples of 8 bits from 96 to (default) 160.















     */









@@ -69,7 +72,7 @@ public final class IpSecAlgorithm implements Parcelable {













    public static final String AUTH_HMAC_SHA384 = "hmac(sha384)";































    /**













     * SHA512 HMAC Authentication/Integrity Algorithm













     * SHA512 HMAC Authentication/Integrity Algorithm.















     *















     * <p>Valid truncation lengths are multiples of 8 bits from 256 to (default) 512.















     */









@@ -80,9 +83,9 @@ public final class IpSecAlgorithm implements Parcelable {













     *















     * <p>Valid lengths for keying material are {160, 224, 288}.















     *













     * <p>As per RFC4106 (Section 8.1), keying material consists of a 128, 192, or 256 bit AES key













     * followed by a 32-bit salt. RFC compliance requires that the salt must be unique per













     * invocation with the same key.













     * <p>As per <a href="https://tools.ietf.org/html/rfc4106#section-8.1">RFC4106 (Section













     * 8.1)</a>, keying material consists of a 128, 192, or 256 bit AES key followed by a 32-bit













     * salt. RFC compliance requires that the salt must be unique per invocation with the same key.















     *















     * <p>Valid ICV (truncation) lengths are {64, 96, 128}.















     */









@@ -105,48 +108,47 @@ public final class IpSecAlgorithm implements Parcelable {













    private final int mTruncLenBits;































    /**













     * Specify a IpSecAlgorithm of one of the supported types including the truncation length of the













     * algorithm













     * Creates an IpSecAlgorithm of one of the supported types. Supported algorithm names are













     * defined as constants in this class.















     *













     * @param algorithm type for IpSec.













     * @param key non-null Key padded to a multiple of 8 bits.













     * @param algorithm name of the algorithm.













     * @param key key padded to a multiple of 8 bits.















     */













    public IpSecAlgorithm(String algorithm, byte[] key) {













    public IpSecAlgorithm(@AlgorithmName String algorithm, @NonNull byte[] key) {















        this(algorithm, key, key.length * 8);















    }































    /**













     * Specify a IpSecAlgorithm of one of the supported types including the truncation length of the













     * algorithm













     * Creates an IpSecAlgorithm of one of the supported types. Supported algorithm names are













     * defined as constants in this class.













     *













     * <p>This constructor only supports algorithms that use a truncation length. i.e.













     * Authentication and Authenticated Encryption algorithms.















     *













     * @param algoName precise name of the algorithm to be used.













     * @param key non-null Key padded to a multiple of 8 bits.













     * @param truncLenBits the number of bits of output hash to use; only meaningful for













     *     Authentication or Authenticated Encryption (equivalent to ICV length).













     * @param algorithm name of the algorithm.













     * @param key key padded to a multiple of 8 bits.













     * @param truncLenBits number of bits of output hash to use.















     */













    public IpSecAlgorithm(@AlgorithmName String algoName, byte[] key, int truncLenBits) {













        if (!isTruncationLengthValid(algoName, truncLenBits)) {













    public IpSecAlgorithm(@AlgorithmName String algorithm, @NonNull byte[] key, int truncLenBits) {













        if (!isTruncationLengthValid(algorithm, truncLenBits)) {















            throw new IllegalArgumentException("Unknown algorithm or invalid length");















        }













        mName = algoName;













        mName = algorithm;















        mKey = key.clone();















        mTruncLenBits = Math.min(truncLenBits, key.length * 8);















    }





























    /** Retrieve the algorithm name */













    /** Get the algorithm name */















    public String getName() {















        return mName;















    }





























    /** Retrieve the key for this algorithm */













    /** Get the key for this algorithm */















    public byte[] getKey() {















        return mKey.clone();















    }





























    /**













     * Retrieve the truncation length, in bits, for the key in this algo. By default this will be













     * the length in bits of the key.













     */













    /** Get the truncation length of this algorithm, in bits */















    public int getTruncationLengthBits() {















        return mTruncLenBits;















    }

































core/java/android/net/IpSecConfig.java



+9
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@@ -20,7 +20,12 @@ import android.os.Parcelable;





























import com.android.internal.annotations.VisibleForTesting;





























/** @hide */













/**













 * This class encapsulates all the configuration parameters needed to create IPsec transforms and













 * policies.













 *













 * @hide













 */















public final class IpSecConfig implements Parcelable {















    private static final String TAG = "IpSecConfig";

























@@ -38,6 +43,9 @@ public final class IpSecConfig implements Parcelable {













    // for outbound packets. It may also be used to select packets.















    private Network mNetwork;





























    /**













     * This class captures the parameters that specifically apply to inbound or outbound traffic.













     */















    public static class Flow {















        // Minimum requirements for identifying a transform















        // SPI identifying the IPsec flow in packet processing

































core/java/android/net/IpSecManager.java



+171
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