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Add a Message Digests wrapper, tests
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| #include "com_canononical_openssl_OpenSSLMDSpi.h" | ||
| #include "jssl.h" | ||
| #include "md.h" | ||
| #include "jni_utils.h" | ||
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| extern OSSL_LIB_CTX *global_libctx; | ||
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| /* | ||
| * Class: OpenSSLMDSpi | ||
| * Method: doInit0 | ||
| * Signature: (Ljava/lang/String;)J | ||
| */ | ||
| JNIEXPORT jlong JNICALL Java_OpenSSLMDSpi_doInit0 | ||
| (JNIEnv *env, jobject this, jstring algorithm) { | ||
| return (jlong) md_init(global_libctx, (const char*)jstring_to_char_array(env, algorithm)); | ||
| } | ||
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| /* | ||
| * Class: OpenSSLMDSpi | ||
| * Method: doUpdate0 | ||
| * Signature: ([B)V | ||
| */ | ||
| JNIEXPORT void JNICALL Java_OpenSSLMDSpi_doUpdate0 | ||
| (JNIEnv *env, jobject this, jbyteArray data) { | ||
| md_context *ctx = (md_context*) get_long_field(env, this, "nativeHandle"); | ||
| byte *data_array = jbyteArray_to_byte_array(env, data); | ||
| int length = array_length(env, data); | ||
| md_update(ctx, data_array, length); | ||
| } | ||
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| /* | ||
| * Class: OpenSSLMDSpi | ||
| * Method: doFinal0 | ||
| * Signature: ()[B | ||
| */ | ||
| JNIEXPORT jbyteArray JNICALL Java_OpenSSLMDSpi_doFinal0 | ||
| (JNIEnv *env, jobject this) { | ||
| byte digest[1024]; | ||
| int digest_length = 0; | ||
| md_context *ctx = (md_context*) get_long_field(env, this, "nativeHandle"); | ||
| md_digest(ctx, digest, &digest_length); | ||
| return byte_array_to_jbyteArray(env, digest, digest_length); | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,124 @@ | ||
| import java.nio.ByteBuffer; | ||
| import java.security.DigestException; | ||
| import java.security.MessageDigestSpi; | ||
| import java.security.NoSuchAlgorithmException; | ||
| import java.util.Arrays; | ||
| import java.util.Set; | ||
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| public class OpenSSLMDSpi extends MessageDigestSpi { | ||
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| static { | ||
| System.loadLibrary("jssl"); | ||
| } | ||
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| private String mdName; | ||
| private long nativeHandle; | ||
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| private enum MDAlgorithms { | ||
| SHA1 (Set.of("SHA", "SHA1", "SHA-1"), 20), | ||
| SHA224 (Set.of("SHA224", "SHA-224", "SHA2-224"), 28), | ||
| SHA256 (Set.of("SHA256", "SHA-256", "SHA2-256"), 32), | ||
| SHA384 (Set.of("SHA384", "SHA-384", "SHA2-384"), 48), | ||
| SHA512 (Set.of("SHA512", "SHA-512", "SHA2-512"), 64), | ||
| SHA3_224 (Set.of("SHA3-224"), 28), | ||
| SHA3_256 (Set.of("SHA3-256"), 32), | ||
| SHA3_384 (Set.of("SHA3-384"), 48), | ||
| SHA3_512 (Set.of("SHA3-512"), 64), | ||
| KECCAK_KEMAK_128 (Set.of("KECCAK-KEMAK-128", "KECCAK-KEMAK128"), 16), | ||
| KECCAK_KEMAK_256 (Set.of("KECCAK-KEMAK-256", "KECCAK-KEMAK256"), 32); | ||
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| final Set<String> names; | ||
| final int hashSize; | ||
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| MDAlgorithms (Set<String> names, int hashSize) { | ||
| this.names = names; | ||
| this.hashSize = hashSize; | ||
| } | ||
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| Set<String> getNames() { | ||
| return this.names; | ||
| } | ||
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| int getHashSize() { | ||
| return hashSize; | ||
| } | ||
| } | ||
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| private boolean initialized = false; | ||
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| OpenSSLMDSpi(String algorithm) throws NoSuchAlgorithmException { | ||
| boolean found = false; | ||
| for (var algo : MDAlgorithms.values()) { | ||
| if (algo.getNames().contains(algorithm)) { | ||
| found = true; | ||
| } | ||
| } | ||
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| if (!found) { | ||
| throw new NoSuchAlgorithmException(algorithm); | ||
| } | ||
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| this.mdName = algorithm; | ||
| } | ||
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| @Override | ||
| protected byte[] engineDigest() { | ||
| return doFinal0(); | ||
| } | ||
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| @Override | ||
| protected int engineDigest(byte[] buf, int offset, int len) throws DigestException { | ||
| byte[] digest = engineDigest(); | ||
| if (len < digest.length) { | ||
| throw new DigestException("Digest length = " + digest.length + " is greater than len = " + len); | ||
| } | ||
| System.arraycopy(digest, 0, buf, offset, len); | ||
| return len; | ||
| } | ||
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| @Override | ||
| protected int engineGetDigestLength() { | ||
| for (var algo : MDAlgorithms.values()) { | ||
| if (algo.getNames().contains(mdName)) { | ||
| return algo.getHashSize(); | ||
| } | ||
| } | ||
| // we should never come here | ||
| System.out.println("[WARNING] Algo not supported"); | ||
| return 0; | ||
| } | ||
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| @Override | ||
| protected void engineReset() { | ||
| // TODO | ||
| } | ||
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| @Override | ||
| protected void engineUpdate(byte input) { | ||
| engineUpdate(new byte[] { input }); | ||
| } | ||
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| @Override | ||
| protected void engineUpdate(byte []input, int offset, int len) { | ||
| engineUpdate(Arrays.copyOfRange(input, offset, len)); | ||
| } | ||
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| @Override | ||
| protected void engineUpdate(ByteBuffer data) { | ||
| engineUpdate(data.array()); | ||
| } | ||
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| private void engineUpdate(byte[] data) { | ||
| synchronized(this) { | ||
| if (!this.initialized) { | ||
| nativeHandle = doInit0(mdName); | ||
| this.initialized = true; | ||
| } | ||
| } | ||
| doUpdate0(data); | ||
| } | ||
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| private native long doInit0(String name); | ||
| private native void doUpdate0(byte[] data); | ||
| private native byte[] doFinal0(); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| import java.util.Arrays; | ||
| import java.util.function.*; | ||
| import java.util.List; | ||
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| public class MDTest { | ||
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| private static byte[] input = """ | ||
| From that time on, the world was hers for the reading. | ||
| She would never be lonely again, never miss the lack of intimate friends. | ||
| Books became her friends and there was one for every mood.""".getBytes(); | ||
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| private static byte[] input1 = """ | ||
| From that time on, the world was hers for the reading. | ||
| She would never be lonely again, never miss the lack of intimate friends. | ||
| Books became her friends and there was one for every mood""".getBytes(); | ||
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| private static BiFunction<OpenSSLMDSpi, byte[], byte[]> macCompute = (md, input) -> { | ||
| md.engineUpdate(input, 0, input.length); | ||
| return md.engineDigest(); | ||
| }; | ||
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| private static void runTest(String name) throws Exception { | ||
| System.out.print("Testing " + name + ": "); | ||
| byte[] output1 = macCompute.apply(new OpenSSLMDSpi(name), input); | ||
| byte[] output2 = macCompute.apply(new OpenSSLMDSpi(name), input); | ||
| byte[] output3 = macCompute.apply(new OpenSSLMDSpi(name), input1); | ||
| if (Arrays.equals(output1, output2) && !Arrays.equals(output2, output3)) { | ||
| System.out.println("PASSED"); | ||
| } else { | ||
| System.out.println("FAILED"); | ||
| } | ||
| } | ||
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| public static void main(String[] args) throws Exception { | ||
| List<String> tests = List.of("SHA1", "SHA224", "SHA256", "SHA384", "SHA512", | ||
| "SHA2-224", "SHA2-256", "SHA2-384", "SHA2-512", | ||
| "SHA3-224", "SHA3-256", "SHA3-384", "SHA3-512"); | ||
| for (var test: tests) { | ||
| runTest(test); | ||
| } | ||
| } | ||
| } |