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azure-keyvault-keys-ts Manage cryptographic keys using Azure Key Vault Keys SDK for JavaScript (@azure/keyvault-keys). Use when creating, encrypting/decrypting, signing, or rotating keys.
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name azure-keyvault-keys-ts description Manage cryptographic keys using Azure Key Vault Keys SDK for JavaScript (@azure/keyvault-keys). Use when creating, encrypting/decrypting, signing, or rotating keys. type skill created 2026-02-27T00:00:00.000Z domain cloud-infrastructure category azure risk unknown source community tags ["skill","cloud-infrastructure","azure","keyvault","keys"]
Azure Key Vault Keys SDK for TypeScript
Manage cryptographic keys with Azure Key Vault.
Installation
npm install @azure/keyvault-keys @azure/identity
Environment Variables
KEY_VAULT_URL=https://<vault-name>.vault.azure.net
AZURE_KEYVAULT_NAME=<vault-name>
Authentication
import { DefaultAzureCredential } from "@azure/identity" ;
import { KeyClient , CryptographyClient } from "@azure/keyvault-keys" ;
const credential = new DefaultAzureCredential ();
const vaultUrl = `https://${process.env.AZURE_KEYVAULT_NAME} .vault.azure.net` ;
const keyClient = new KeyClient (vaultUrl, credential);
const secretClient = new SecretClient (vaultUrl, credential);
Secrets Operations
Create/Set Secret
const secret = await secretClient.setSecret ("MySecret" , "secret-value" );
const secretWithAttrs = await secretClient.setSecret ("MySecret" , "value" , {
enabled : true ,
expiresOn : new Date ("2025-12-31"
contentType
"application/json"
tags
environment
"production"
Get Secret
const secret = await secretClient.getSecret ("MySecret" );
console .log (secret.value );
const specificSecret = await secretClient.getSecret ("MySecret" , {
version : secret.properties .version
});
List Secrets for await (const secretProperties of secretClient.listPropertiesOfSecrets ()) {
console .log (secretProperties.name );
}
for await (const version of secretClient.listPropertiesOfSecretVersions ("MySecret" )) {
console .log (version.version );
}
Delete Secret
const deletePoller = await secretClient.beginDeleteSecret ("MySecret" );
await deletePoller.pollUntilDone ();
await secretClient.purgeDeletedSecret ("MySecret" );
const recoverPoller = await secretClient.beginRecoverDeletedSecret ("MySecret" );
await recoverPoller.pollUntilDone ();
Keys Operations
Create Keys
const key = await keyClient.createKey ("MyKey" , "RSA" );
const rsaKey = await keyClient.createRsaKey ("MyRsaKey" , { keySize : 2048 });
const ecKey = await keyClient.createEcKey ("MyEcKey" , { curve : "P-256" });
const keyWithAttrs = await keyClient.createKey ("MyKey" , "RSA" , {
enabled : true ,
expiresOn : new Date ("2025-12-31" ),
tags : { purpose : "encryption" },
keyOps : ["encrypt" , "decrypt" , "sign" , "verify" ]
});
Get Key const key = await keyClient.getKey ("MyKey" );
console .log (key.name , key.keyType );
List Keys for await (const keyProperties of keyClient.listPropertiesOfKeys ()) {
console .log (keyProperties.name );
}
Rotate Key
const rotatedKey = await keyClient.rotateKey ("MyKey" );
await keyClient.updateKeyRotationPolicy ("MyKey" , {
lifetimeActions : [{ action : "Rotate" , timeBeforeExpiry : "P30D" }],
expiresIn : "P90D"
});
Delete Key const deletePoller = await keyClient.beginDeleteKey ("MyKey" );
await deletePoller.pollUntilDone ();
await keyClient.purgeDeletedKey ("MyKey" );
Cryptographic Operations
Create CryptographyClient import { CryptographyClient } from "@azure/keyvault-keys" ;
const cryptoClient = new CryptographyClient (key, credential);
const cryptoClient = new CryptographyClient (key.id !, credential);
Encrypt/Decrypt
const encryptResult = await cryptoClient.encrypt ({
algorithm : "RSA-OAEP" ,
plaintext : Buffer .from ("My secret message" )
});
const decryptResult = await cryptoClient.decrypt ({
algorithm : "RSA-OAEP" ,
ciphertext : encryptResult.result
});
console .log (decryptResult.result .toString ());
Sign/Verify import { createHash } from "node:crypto" ;
const hash = createHash ("sha256" ).update ("My message" ).digest ();
const signResult = await cryptoClient.sign ("RS256" , hash);
const verifyResult = await cryptoClient.verify ("RS256" , hash, signResult.result );
console .log ("Valid:" , verifyResult.result );
Wrap/Unwrap Keys
const wrapResult = await cryptoClient.wrapKey ("RSA-OAEP" , Buffer .from ("key-material" ));
const unwrapResult = await cryptoClient.unwrapKey ("RSA-OAEP" , wrapResult.result );
Backup and Restore
const keyBackup = await keyClient.backupKey ("MyKey" );
const secretBackup = await secretClient.backupSecret ("MySecret" );
const restoredKey = await keyClient.restoreKeyBackup (keyBackup!);
const restoredSecret = await secretClient.restoreSecretBackup (secretBackup!);
Key Types import {
KeyClient ,
KeyVaultKey ,
KeyProperties ,
DeletedKey ,
CryptographyClient ,
KnownEncryptionAlgorithms ,
KnownSignatureAlgorithms
} from "@azure/keyvault-keys" ;
import {
SecretClient ,
KeyVaultSecret ,
SecretProperties ,
DeletedSecret
} from "@azure/keyvault-secrets" ;
Error Handling try {
const secret = await secretClient.getSecret ("NonExistent" );
} catch (error : any ) {
if (error.code === "SecretNotFound" ) {
console .log ("Secret does not exist" );
} else {
throw error;
}
}
Best Practices
Use DefaultAzureCredential - Works across dev and productionEnable soft-delete - Required for production vaultsSet expiration dates - On both keys and secretsUse key rotation policies - Automate key rotationLimit key operations - Only grant needed operations (encrypt, sign, etc.)Browser not supported - These SDKs are Node.js only
When to Use This skill is applicable to execute the workflow or actions described in the overview.
Connections
Domain: [[Cloud & Infrastruktur]]Kategorie: [[Microsoft Azure]]Navigation: [[Skills Uebersicht]], [[Home]] 