Merge "No need to specify EC curve name in EcIesParameterSpec." (d693690a) · Commits · e / os / android_frameworks_base

keystore/java/android/security/EcIesParameterSpec.java

+2 −25

Original line number	Diff line number	Diff line
		@@ -85,11 +85,10 @@ public class EcIesParameterSpec implements AlgorithmParameterSpec {
		}

		/**
		* Default parameter spec: NIST P-256 curve (aka secp256r1 aka prime256v1), compressed point
		* format, {@code HKDFwithSHA256}, DEM uses 128-bit AES GCM.
		* Default parameter spec: compressed point format, {@code HKDFwithSHA256}, DEM uses 128-bit AES
		* GCM.
		*/
		public static final EcIesParameterSpec DEFAULT = new EcIesParameterSpec(
		"P-256",
		PointFormat.COMPRESSED,
		"HKDFwithSHA256",
		"AES/GCM/NoPadding",
		@@ -97,7 +96,6 @@ public class EcIesParameterSpec implements AlgorithmParameterSpec {
		null,
		0);

		private final String mKemCurveName;
		private final @PointFormatEnum int mKemPointFormat;
		private final String mKemKdfAlgorithm;
		private final String mDemCipherTransformation;
		@@ -106,14 +104,12 @@ public class EcIesParameterSpec implements AlgorithmParameterSpec {
		private final int mDemMacKeySize;

		private EcIesParameterSpec(
		String kemCurveName,
		@PointFormatEnum int kemPointFormat,
		String kemKdfAlgorithm,
		String demCipherTransformation,
		int demCipherKeySize,
		String demMacAlgorithm,
		int demMacKeySize) {
		mKemCurveName = kemCurveName;
		mKemPointFormat = kemPointFormat;
		mKemKdfAlgorithm = kemKdfAlgorithm;
		mDemCipherTransformation = demCipherTransformation;
		@@ -122,13 +118,6 @@ public class EcIesParameterSpec implements AlgorithmParameterSpec {
		mDemMacKeySize = demMacKeySize;
		}

		/**
		* Returns KEM EC curve name (e.g., {@code secp256r1}) or {@code null} if not specified.
		*/
		public String getKemCurveName() {
		return mKemCurveName;
		}

		/**
		* Returns KEM EC point wire format or {@link PointFormat#UNSPECIFIED} if not specified.
		*/
		@@ -188,7 +177,6 @@ public class EcIesParameterSpec implements AlgorithmParameterSpec {
		* Builder of {@link EcIesParameterSpec}.
		*/
		public static class Builder {
		private String mKemCurveName;
		private @PointFormatEnum int mKemPointFormat = PointFormat.UNSPECIFIED;
		private String mKemKdfAlgorithm;
		private String mDemCipherTransformation;
		@@ -196,16 +184,6 @@ public class EcIesParameterSpec implements AlgorithmParameterSpec {
		private String mDemMacAlgorithm;
		private int mDemMacKeySize = -1;

		/**
		* Sets KEM EC curve name. For example, {@code P-256} or {@code secp256r1}.
		*
		* <p>NOTE: Only curves with cofactor of {@code 1} are supported.
		*/
		public Builder setKemCurveName(String name) {
		mKemCurveName = name;
		return this;
		}

		/**
		* Sets KEM EC point wire format.
		*/
		@@ -274,7 +252,6 @@ public class EcIesParameterSpec implements AlgorithmParameterSpec {
		public EcIesParameterSpec build() {
		int demMacKeySize = (mDemMacKeySize != -1) ? mDemMacKeySize : mDemCipherKeySize;
		return new EcIesParameterSpec(
		mKemCurveName,
		mKemPointFormat,
		mKemKdfAlgorithm,
		mDemCipherTransformation,