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ãã®ããã¥ã¡ã³ãã®å šãŠã®äŸã«ãããŠã IAM roles for EC2ãèšå®ããAmazon EC2ã€ã³ã¹ã¿ã³ã¹ã皌åããŠããããšãæ³å®ããŠããŸããIAM Roleã«ãã£ãŠã¯ã¬ãã³ã·ã£ã«ã®ç®¡çãé¿ããããšãã§ããæãè¿ããšã³ããã€ã³ããžã®ãªã¯ãšã¹ããã§ãããã«ãã€ã³ããžãã¯ã®ã¢ããã³ããŒãžããããŸãããŸãäŸã§ã¯ãAWS SDK for Java (AWS Encryption SDKãšã¯ç°ãªããŸã)ã®å©çšãšãBouncy Castleãå©çšå¯èœã§ããããšãæ³å®ããŠããŸãã
æå·åããžãã¯ã¯ãšãŠãã·ã³ãã«ãªãã€ã¬ãã«ãã¶ã€ã³ãæã£ãŠããŸããã³ãã³ãã©ã€ã³ãããã©ã¡ãŒã¿ãŒãèªã¿èŸŒãã åŸããã¹ã¿ãŒããŒãååŸããŠãã¡ã€ã«ãæå·åããã®ã«å©çšãããšãããã®ã§ã(次ã®ã³ãŒããµã³ãã«ã«ç€ºããŸã)ãäžè¶³ããŠããã¡ãœããã«é¢ããŠã¯ãã®èšäºã®åŸç¶éšåã«èšèŒããŸãã
public static void main(final String[] args) throws Exception {
// Get parameters from the command line
final String inputFile = args[0];
final String outputFile = args[1];
// Get all the master keys we'll use
final MasterKeyProvider<?> provider = getMasterKeyProvider();
// Actually encrypt the data
encryptFile(provider, inputFile, outputFile);
}
ãã¹ã¿ãŒããŒãè€æ°äœæããŠäžã€ã®ãã¹ã¿ãŒããŒãããã€ããŒã«ãŸãšãã
次ã®ã³ãŒããµã³ãã«ã§ã¯ã3ã€ã®ç±³åœãªãŒãžã§ã³:us-east-1,us-west-1,us-west2ã®CMKãå©çšããŠããŒã¿ãã©ãæå·åãããã瀺ããŸãããã®äŸã§ã¯ãåãªãŒãžã§ã³ã®CMKãã»ããã¢ããæžã¿ã§ããããã®CMKã«å¯ŸããŠalias/exampleKeyãšããååã®ãšã€ãªã¢ã¹ãäœæããŠããŸããCMKäœæã®è©³çްã«ã€ããŠã¯ãAWS KMSããã¥ã¡ã³ãã®Creating Keysããåç §äžããã
次ã«ãã®äŸã§ã¯ãå šãŠã®ãã¹ã¿ãŒããŒãäžã€ã®ãã¹ã¿ãŒããŒãããã€ããŒã«ãŸãšããããã« MultipleProviderFactory ãå©çšããŠããŸããæåã®ãã¹ã¿ãŒããŒã¯æ°ããããŒã¿ããŒãçæããã®ã«å©çšãããä»ã®ãã¹ã¿ãŒããŒã¯æ°ããããŒã¿ããŒãæå·åããããã«å©çšãããããšã«æ³šç®ããŠäžããã
private static MasterKeyProvider<?> getMasterKeyProvider() {
// Get credentials from Roles for EC2
final AWSCredentialsProvider creds =
new InstanceProfileCredentialsProvider();
// Get KmsMasterKeys for the regions we care about
final String aliasName = "alias/exampleKey";
final KmsMasterKey useast1 = KmsMasterKey.getInstance(creds,
"arn:aws:kms:us-east-1:" + ACCOUNT_ID + ":" + aliasName);
final KmsMasterKey uswest1 = KmsMasterKey.getInstance(creds,
"arn:aws:kms:us-west-1:" + ACCOUNT_ID + ":" + aliasName);
final KmsMasterKey uswest2 = KmsMasterKey.getInstance(creds,
"arn:aws:kms:us-west-2:" + ACCOUNT_ID + ":" + aliasName);
return MultipleProviderFactory.buildMultiProvider(
useast1, uswest1, uswest2);
}
éçºãç°¡çŽ åããå šãŠã®æå·åããŒã¿ãäŒæ¥ã®æšæºã«é©åãããããã®MasterKeyProviderãæ§æããããžãã¯ã¯ãäžåºŠã»ãã¥ãªãã£ããŒã ã«ãã£ãŠäœæããã°ãäŒæ¥ããŸããã£ãŠåå©çšã§ããŸãã
ããŒã¿ãæå·åãã
æå·å察象ã®ããŒã¿ã¯ãã©ãããã§ãååŸã§ããŸãããã©ã®ãããªåœ¢ã§ãé åžã§ããŸããæ¬¡ã®ã³ãŒããµã³ãã«ã§ã¯ããã£ã¹ã¯ãããã¡ã€ã«ãèªã¿åããæå·åã³ããŒãæžãåºããŠããŸããAWS Encryption SDKã¯ãããç°¡åã«å®çŸãããããJavaã¹ããªãŒã ãšãã€ã¬ã¯ãã«çµ±åãããŠããŸãã
private static void encryptFile(final MasterKeyProvider<?> provider,
final String inputFile, final String outputFile) throws IOException {
// Get an instance of the encryption logic
final AwsCrypto crypto = new AwsCrypto();
// Open the files for reading and writing
try (
final FileInputStream in = new FileInputStream(inputFile);
final FileOutputStream out = new FileOutputStream(outputFile);
// Wrap the output stream in encryption logic
// It is important that this is closed because it adds footers
final CryptoOutputStream<?> encryptingStream =
crypto.createEncryptingStream(provider, out)) {
// Copy the data over
IOUtils.copy(in, encryptingStream);
}
}
äŸãã°ããã®ãã¡ã€ã«ã«ã¯ã¢ããªã±ãŒã·ã§ã³ã®æ©å¯ããŒã¿(ãã¹ã¯ãŒããèšŒææžç)ãå«ããããšãã§ãããããEC2ã€ã³ã¹ã¿ã³ã¹ã®ããŒã³ãã®æã« EC2 ãŠãŒã¶ãŒããŒã¿ãšããŠéä¿¡ããããšãã§ããŸãã
ããŒã¿ã埩å·åãã
次ã®ã³ãŒããµã³ãã«ã¯ãEC2ãŠãŒã¶ãŒããŒã¿ã®ã³ã³ãã³ãã埩å·åããæå®ãããã¡ã€ã«ã«æžãåºããŸããAWS SDK for Javaã¯ãããã©ã«ãã§ããŒã«ã«ãªãŒãžã§ã³ã®KMSãå©çšããŸããã§ãã®ã§åŸ©å·åã¯ã¯ãã¹ãªãŒãžã§ã³ã³ãŒã«ç¡ãã«çŽ æ©ãåŠçãããŸãã
public static void main(String[] args) throws Exception {
// Get parameters from the command line
final String outputFile = args[0];
// Create a master key provider that points to the local
// KMS stack and uses Roles for EC2 to get credentials.
final KmsMasterKeyProvider provider = new KmsMasterKeyProvider(
new InstanceProfileCredentialsProvider());
// Get an instance of the encryption logic
final AwsCrypto crypto = new AwsCrypto();
// Open a stream to read the user data
// and a stream to write out the decrypted file
final URL userDataUrl = new URL("http://169.254.169.254/latest/user-data");
try (
final InputStream in = userDataUrl.openStream();
final FileOutputStream out = new FileOutputStream(outputFile);
// Wrap the input stream in decryption logic
final CryptoInputStream<?> decryptingStream =
crypto.createDecryptingStream(provider, in)) {
// Copy the data over
IOUtils.copy(decryptingStream, out);
}
}
ããã§ãšãããããŸãïŒããã§è€æ°ã®ãªãŒãžã§ã³ã®ãã¹ã¿ãŒããŒã§æå·åãããããŒã¿ããåžžã«ããŒã«ã«ã®KMSã¹ã¿ãã¯ã䜿ã£ãŠåŸ©å·åããã³ãŒããåŸãããšã«ãªããŸããããã§ã1ã€ã®æå·æã管çããã ãã§ãé«ãå¯çšæ§ãšäœã¬ã€ãã³ã·ãŒãªåŸ©å·åãå®çŸããããšãã§ããŸãã
Example 2: ãšã¹ã¯ããŒãšããŒã¿ããªãã£ã®ããã«ã¢ããªã±ãŒã·ã§ã³ã®æ©å¯ããŒã¿ãç°ãªããããã€ããŒã®ãã¹ã¿ãŒããŒã§æå·åãã
è€æ°ã®ãã¹ã¿ãŒããŒã§ããŒã¿ãæå·åãããããäžã€ã®çç±ãšããŠãéµç®¡çãåäžã®ãããã€ãã«é Œãäºãé¿ãããããšãããã®ããããŸããåäžã®éµç®¡çãœãªã¥ãŒã·ã§ã³ãšæ±åãã«ãªããªãããšã«ãããã¢ããªã±ãŒã·ã§ã³ã®å¯çšæ§ãæ¹åããããšãã§ããŸãããã®ã¢ãããŒãã¯ãã³ã³ãã©ã€ã¢ã³ã¹èŠä»¶ãããŒã¿æå€±ããã®é²åŸ¡ãçœå®³å¯Ÿçã®èŠä»¶ã«ãã£ãŠè€æ°ã®ãããã€ããå¿ èŠãšããå Žåã«åœ¹ç«ã€ãããããŸããã
ãšã¹ã¯ããŒã®ããã®ããŒã¿æå·åãããã©ã€ããªã®ãããã€ããšç¬ç«ãã远å ã®åŸ©å·åãã¹ã¿ãŒããŒãå©çšããããã«ããã®èšäºã§å ã»ã©ç޹ä»ãããã®ãšåæ§ã®ãã¯ããã¯ã䜿ããŸãããã®äŸã§ã¯ãRSAã®å ¬ééµãšãKMSãšã¯ç¬ç«ãããªãã©ã€ã³ããŒããŠã§ã¢ã»ãã¥ãªãã£ã¢ãžã¥ãŒã«(HSM)ã®ãããªéµç®¡çã€ã³ãã©ã¹ãã©ã¯ãã£ã«ä¿ç®¡ãããŠããç§å¯éµãã远å ã®ãã¹ã¿ãŒããŒãšããŠã©ã®ããã«å©çšãããã瀺ããŸãã(RSAããŒãã¢ã®çæãšç®¡çã¯ãã®èšäºã®å¯Ÿè±¡å€ãšããŸã)
ããŒã¿ãå ¬éãã¹ã¿ãŒããŒã§æå·åãã
ããŒã¿ãæå·åããããã«ããã€ãã®KmsMasterKeysãäœæããå ã»ã©ã®ã³ãŒããµã³ãã«ãšåæ§ã«ã次ã®ã³ãŒããµã³ãã«ã¯RSAå ¬ééµãå©çšããããäžã€ã®Mãã¹ã¿ãŒããŒãäœæããŸãããã®äŸã§ã¯ãJava Cryptography Extensions (JCE)ã®java.security.PublicKeyãªããžã§ã¯ããå©çšããããã«JceMasterKeyãå©çšããŸãããã®äŸã§ã¯ãæ°ãããã¹ã¿ãŒããŒã(ä»ã®å šãŠã®ãã¹ã¿ãŒããŒãšäžç·ã«)MultipleProviderFactoryã«æž¡ããŸãããã®äŸã§ã¯ãrsa_public_key.derãšãããã¡ã€ã«ããå ¬ééµãèªã¿èŸŒã¿ãŸãã
private static MasterKeyProvider<?> getMasterKeyProvider()
throws IOException, GeneralSecurityException {
// Get credentials from Roles for EC2
final AWSCredentialsProvider creds =
new InstanceProfileCredentialsProvider();
// Get KmsMasterKeys for the regions we care about
final String aliasName = "alias/exampleKey";
final KmsMasterKey useast1 = KmsMasterKey.getInstance(creds,
"arn:aws:kms:us-east-1:" + ACCOUNT_ID + ":" + aliasName);
final KmsMasterKey uswest1 = KmsMasterKey.getInstance(creds,
"arn:aws:kms:us-west-1:" + ACCOUNT_ID + ":" + aliasName);
final KmsMasterKey uswest2 = KmsMasterKey.getInstance(creds,
"arn:aws:kms:us-west-2:" + ACCOUNT_ID + ":" + aliasName);
// Load the RSA public key from a file and make a MasterKey from it.
final byte[] rsaBytes = Files.readAllBytes(
new File("rsa_public_key.der").toPath());
final KeyFactory rsaFactory = KeyFactory.getInstance("RSA");
final PublicKey rsaKey = rsaFactory.generatePublic(
new X509EncodedKeySpec(rsaBytes));
final JceMasterKey rsaMasterKey =
JceMasterKey.getInstance(rsaKey, null,
"escrow-provider", "escrow",
"RSA/ECB/OAEPWithSHA-256AndMGF1Padding");
return MultipleProviderFactory.buildMultiProvider(
useast1, uswest1, uswest2, rsaMasterKey);
}
ç§å¯éµãå©çšãã埩å·å
å€ãã®HSMã¯ãæšæºçãªJava KeyStoreã€ã³ã¿ãŒãã§ãŒã¹ããµããŒãããŠããŸãããããã¯ãå°ãªããšãJava KeyStore å®è£ ã䜿ãããšãã§ããPKCS ïŒ11ãã©ã€ããŒãæäŸããŠããŸããæ¬¡ã®åŸ©å·åã³ãŒããµã³ãã«ã§ã¯ãKeyStoreããåãåºããRSAç§å¯éµãå©çšããŠããŸãã
public static void main(String[] args) throws Exception {
// Get parameters from the command line
final String inputFile = args[0];
final String outputFile = args[1];
// Get the KeyStore
// In a production system, this would likely be backed by an HSM.
// For this example, it will simply be a file on disk
final char[] keystorePassword = "example".toCharArray();
final KeyStore keyStore = KeyStore.getInstance("JKS");
try (final FileInputStream fis = new FileInputStream("cryptosdk.jks")) {
keyStore.load(fis, keystorePassword);
}
// Create a master key provider from the keystore.
// Be aware that because KMS isnât being used, it cannot directly
// protect the integrity or authenticity of this data.
final KeyStoreProvider provider = new KeyStoreProvider(keyStore,
new PasswordProtection(keystorePassword),
"escrow-provider", "RSA/ECB/OAEPWithSHA-256AndMGF1Padding");
// Get an instance of the encryption logic
final AwsCrypto crypto = new AwsCrypto();
// Open a stream to read the encrypted file
// and a stream to write out the decrypted file
try (
final FileInputStream in = new FileInputStream(inputFile);
final FileOutputStream out = new FileOutputStream(outputFile);
// Wrap the output stream in encryption logic
final CryptoInputStream<?> decryptingStream =
crypto.createDecryptingStream(provider, in)) {
// Copy the data over
IOUtils.copy(decryptingStream, out);
}
}
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- AvailableInstancePoolsCount
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- CPUUtilization
- DiskReadBytes
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- DiskWriteOps
- EligibleInstancePoolCount
- FulfilledCapacity
- MaxPercentCapacityAllocation
- NetworkIn
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- PendingCapacity
- StatusCheckFailed
- StatusCheckFailed_Instance
- StatusCheckFailed_System
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- TerminatingCapacity
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- EligibleInstancePoolsCount â ã¹ãããã€ã³ã¹ã¿ã³ã¹ãªã¯ãšã¹ãã®å¯Ÿè±¡ãšãªãã€ã³ã¹ã¿ã³ã¹ããŒã«ã®æ°ã瀺ããŸããããããïŒ1ïŒã¹ãããäŸ¡æ Œããªã³ããã³ãäŸ¡æ Œããé«ãå ŽåããŸãã¯ïŒ2ïŒå ¥æäŸ¡æ Œãã¹ãããäŸ¡æ Œãããäœãå Žåã«ã¯ããŒã«ãäžé©çšãšãªããŸãã
- FulfilledCapacity â ããªãŒããã£ãã·ãã£ãæºãã容éã®åèšã瀺ããŸãã
- PercentCapacityAllocation â ç¹å®ãã£ã¡ã³ã·ã§ã³ã«å²ãåœãŠããã容éã®å²åã瀺ããŸããç¹å®ã®ã€ã³ã¹ã¿ã³ã¹ã¿ã€ãã«å²ãåœãŠããã容éã®ããŒã»ã³ããæ±ºå®ããããã«ãã€ã³ã¹ã¿ã³ã¹ã¿ã€ããšå ±ã«äœ¿çšããããšãã§ããŸãã
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