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Microsoft Azure Key Vault Keys Client Library for Python

Project description

Azure Key Vault Keys client library for Python

Azure Key Vault helps solve the following problems:

  • Cryptographic key management (this library) - create, store, and control access to the keys used to encrypt your data
  • Secrets management (azure-keyvault-secrets) - securely store and control access to tokens, passwords, certificates, API keys, and other secrets
  • Certificate management (azure-keyvault-certificates) - create, manage, and deploy public and private SSL/TLS certificates
  • Vault administration (azure-keyvault-administration) - role-based access control (RBAC), and vault-level backup and restore options

Source code | Package (PyPI) | API reference documentation | Product documentation | Samples

Disclaimer

Azure SDK Python packages support for Python 2.7 has ended 01 January 2022. For more information and questions, please refer to https://github.com/Azure/azure-sdk-for-python/issues/20691.

Getting started

Install the package

Install azure-keyvault-keys and azure-identity with pip:

pip install azure-keyvault-keys azure-identity

azure-identity is used for Azure Active Directory authentication as demonstrated below.

Prerequisites

Authenticate the client

In order to interact with the Azure Key Vault service, you will need an instance of a KeyClient, as well as a vault url and a credential object. This document demonstrates using a DefaultAzureCredential, which is appropriate for most scenarios, including local development and production environments. We recommend using a managed identity for authentication in production environments.

See azure-identity documentation for more information about other methods of authentication and their corresponding credential types.

Create a client

After configuring your environment for the DefaultAzureCredential to use a suitable method of authentication, you can do the following to create a key client (replacing the value of vault_url with your vault's URL):

from azure.identity import DefaultAzureCredential
from azure.keyvault.keys import KeyClient

credential = DefaultAzureCredential()

key_client = KeyClient(vault_url="https://my-key-vault.vault.azure.net/", credential=credential)

NOTE: For an asynchronous client, import azure.keyvault.keys.aio's KeyClient instead.

Key concepts

Keys

Azure Key Vault can create and store RSA and elliptic curve keys. Both can optionally be protected by hardware security modules (HSMs). Azure Key Vault can also perform cryptographic operations with them. For more information about keys and supported operations and algorithms, see the Key Vault documentation.

KeyClient can create keys in the vault, get existing keys from the vault, update key metadata, and delete keys, as shown in the examples below.

Examples

This section contains code snippets covering common tasks:

Create a key

create_rsa_key and create_ec_key create RSA and elliptic curve keys in the vault, respectively. If a key with the same name already exists, a new version of that key is created.

from azure.identity import DefaultAzureCredential
from azure.keyvault.keys import KeyClient

credential = DefaultAzureCredential()

key_client = KeyClient(vault_url="https://my-key-vault.vault.azure.net/", credential=credential)

# Create an RSA key
rsa_key = key_client.create_rsa_key("rsa-key-name", size=2048)
print(rsa_key.name)
print(rsa_key.key_type)

# Create an elliptic curve key
ec_key = key_client.create_ec_key("ec-key-name", curve="P-256")
print(ec_key.name)
print(ec_key.key_type)

Retrieve a key

get_key retrieves a key previously stored in the Vault.

from azure.identity import DefaultAzureCredential
from azure.keyvault.keys import KeyClient

credential = DefaultAzureCredential()

key_client = KeyClient(vault_url="https://my-key-vault.vault.azure.net/", credential=credential)
key = key_client.get_key("key-name")
print(key.name)

Update an existing key

update_key_properties updates the properties of a key previously stored in the Key Vault.

from azure.identity import DefaultAzureCredential
from azure.keyvault.keys import KeyClient

credential = DefaultAzureCredential()

key_client = KeyClient(vault_url="https://my-key-vault.vault.azure.net/", credential=credential)

# we will now disable the key for further use
updated_key = key_client.update_key_properties("key-name", enabled=False)

print(updated_key.name)
print(updated_key.properties.enabled)

Delete a key

begin_delete_key requests Key Vault delete a key, returning a poller which allows you to wait for the deletion to finish. Waiting is helpful when the vault has soft-delete enabled, and you want to purge (permanently delete) the key as soon as possible. When soft-delete is disabled, begin_delete_key itself is permanent.

from azure.identity import DefaultAzureCredential
from azure.keyvault.keys import KeyClient

credential = DefaultAzureCredential()

key_client = KeyClient(vault_url="https://my-key-vault.vault.azure.net/", credential=credential)
deleted_key = key_client.begin_delete_key("key-name").result()

print(deleted_key.name)
print(deleted_key.deleted_date)

Configure automatic key rotation

update_key_rotation_policy allows you to configure automatic key rotation for a key by specifying a rotation policy. In addition, rotate_key allows you to rotate a key on-demand by creating a new version of the given key.

from azure.identity import DefaultAzureCredential
from azure.keyvault.keys import KeyClient, KeyRotationLifetimeAction, KeyRotationPolicyAction

credential = DefaultAzureCredential()
key_client = KeyClient(vault_url="https://my-key-vault.vault.azure.net/", credential=credential)

# Set the key's automated rotation policy to rotate the key 30 days before the key expires
actions = [KeyRotationLifetimeAction(KeyRotationPolicyAction.ROTATE, time_before_expiry="P30D")]
# You may also specify the duration after which the newly rotated key will expire
# In this example, any new key versions will expire after 90 days
updated_policy = key_client.update_key_rotation_policy("key-name", expires_in="P90D", lifetime_actions=actions)

# You can get the current rotation policy for a key with get_key_rotation_policy
current_policy = key_client.get_key_rotation_policy("key-name")

# Finally, you can rotate a key on-demand by creating a new version of the key
rotated_key = key_client.rotate_key("key-name")

List keys

list_properties_of_keys lists the properties of all of the keys in the client's vault.

from azure.identity import DefaultAzureCredential
from azure.keyvault.keys import KeyClient

credential = DefaultAzureCredential()

key_client = KeyClient(vault_url="https://my-key-vault.vault.azure.net/", credential=credential)
keys = key_client.list_properties_of_keys()

for key in keys:
    # the list doesn't include values or versions of the keys
    print(key.name)

Cryptographic operations

CryptographyClient enables cryptographic operations (encrypt/decrypt, wrap/unwrap, sign/verify) using a particular key.

from azure.identity import DefaultAzureCredential
from azure.keyvault.keys import KeyClient
from azure.keyvault.keys.crypto import CryptographyClient, EncryptionAlgorithm

credential = DefaultAzureCredential()
key_client = KeyClient(vault_url="https://my-key-vault.vault.azure.net/", credential=credential)

key = key_client.get_key("key-name")
crypto_client = CryptographyClient(key, credential=credential)
plaintext = b"plaintext"

result = crypto_client.encrypt(EncryptionAlgorithm.rsa_oaep, plaintext)
decrypted = crypto_client.decrypt(result.algorithm, result.ciphertext)

See the package documentation for more details of the cryptography API.

Async API

This library includes a complete set of async APIs. To use them, you must first install an async transport, such as aiohttp. See azure-core documentation for more information.

Async clients and credentials should be closed when they're no longer needed. These objects are async context managers and define async close methods. For example:

from azure.identity.aio import DefaultAzureCredential
from azure.keyvault.keys.aio import KeyClient

credential = DefaultAzureCredential()

# call close when the client and credential are no longer needed
client = KeyClient(vault_url="https://my-key-vault.vault.azure.net/", credential=credential)
...
await client.close()
await credential.close()

# alternatively, use them as async context managers (contextlib.AsyncExitStack can help)
client = KeyClient(vault_url="https://my-key-vault.vault.azure.net/", credential=credential)
async with client:
  async with credential:
    ...

Asynchronously create a key

create_rsa_key and create_ec_key create RSA and elliptic curve keys in the vault, respectively. If a key with the same name already exists, a new version of the key is created.

from azure.identity.aio import DefaultAzureCredential
from azure.keyvault.keys.aio import KeyClient

credential = DefaultAzureCredential()
key_client = KeyClient(vault_url="https://my-key-vault.vault.azure.net/", credential=credential)

# Create an RSA key
rsa_key = await key_client.create_rsa_key("rsa-key-name", size=2048)
print(rsa_key.name)
print(rsa_key.key_type)

# Create an elliptic curve key
ec_key = await key_client.create_ec_key("ec-key-name", curve="P-256")
print(ec_key.name)
print(ec_key.key_type)

Asynchronously list keys

list_properties_of_keys lists the properties of all of the keys in the client's vault.

from azure.identity.aio import DefaultAzureCredential
from azure.keyvault.keys.aio import KeyClient

credential = DefaultAzureCredential()
key_client = KeyClient(vault_url="https://my-key-vault.vault.azure.net/", credential=credential)
keys = key_client.list_properties_of_keys()

async for key in keys:
    print(key.name)

Troubleshooting

See the azure-keyvault-keys troubleshooting guide for details on how to diagnose various failure scenarios.

General

Key Vault clients raise exceptions defined in azure-core. For example, if you try to get a key that doesn't exist in the vault, KeyClient raises ResourceNotFoundError:

from azure.identity import DefaultAzureCredential
from azure.keyvault.keys import KeyClient
from azure.core.exceptions import ResourceNotFoundError

credential = DefaultAzureCredential()
key_client = KeyClient(vault_url="https://my-key-vault.vault.azure.net/", credential=credential)

try:
    key_client.get_key("which-does-not-exist")
except ResourceNotFoundError as e:
    print(e.message)

Logging

This library uses the standard logging library for logging. Basic information about HTTP sessions (URLs, headers, etc.) is logged at INFO level.

Detailed DEBUG level logging, including request/response bodies and unredacted headers, can be enabled on a client with the logging_enable argument:

from azure.identity import DefaultAzureCredential
from azure.keyvault.keys import KeyClient
import sys
import logging

# Create a logger for the 'azure' SDK
logger = logging.getLogger('azure')
logger.setLevel(logging.DEBUG)

# Configure a console output
handler = logging.StreamHandler(stream=sys.stdout)
logger.addHandler(handler)

credential = DefaultAzureCredential()

# This client will log detailed information about its HTTP sessions, at DEBUG level
client = KeyClient(vault_url="https://my-key-vault.vault.azure.net/", credential=credential, logging_enable=True)

Similarly, logging_enable can enable detailed logging for a single operation, even when it isn't enabled for the client:

client.get_key("my-key", logging_enable=True)

Next steps

Several samples are available in the Azure SDK for Python GitHub repository. These provide example code for additional Key Vault scenarios:

File Description
hello_world.py (async version) create/get/update/delete keys
list_operations.py (async version) basic list operations for keys
backup_restore_operations.py (async version) back up and recover keys
recover_purge_operations.py (async version) recover and purge keys

Additional documentation

For more extensive documentation on Azure Key Vault, see the API reference documentation.

Contributing

This project welcomes contributions and suggestions. Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us the rights to use your contribution. For details, visit https://cla.microsoft.com.

When you submit a pull request, a CLA-bot will automatically determine whether you need to provide a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the instructions provided by the bot. You will only need to do this once across all repos using our CLA.

This project has adopted the Microsoft Open Source Code of Conduct. For more information, see the Code of Conduct FAQ or contact opencode@microsoft.com with any additional questions or comments.

Impressions

Release History

4.7.0 (2022-09-19)

Breaking Changes

  • Clients verify the challenge resource matches the vault domain. This should affect few customers, who can provide verify_challenge_resource=False to client constructors to disable. See https://aka.ms/azsdk/blog/vault-uri for more information.

Other Changes

  • Changes from version 4.7.0b1 have been reverted and will be included in version 4.8.0b1

4.7.0b1 (2022-08-12)

Features Added

  • An attempt will be made to generate an IV if one isn't provided for local encryption (#25380)

Other Changes

  • The most recent release was version 4.6.1 instead of the intended version, 4.5.2. The next stable release is planned to be version 4.7.0.
  • Python 3.6 is no longer supported. Please use Python version 3.7 or later.
  • Updated minimum azure-core version to 1.24.0

4.6.1 (2022-08-11)

Other Changes

  • Documentation improvements (#25039)

4.6.0b1 (2022-06-07)

Bugs Fixed

  • If a key's ID contains a port number, this port will now be preserved in the vault URL of a CryptographyClient instance created from this key (#24446)
    • Port numbers are now preserved in the vault_url property of a KeyVaultKeyIdentifier

4.5.1 (2022-04-18)

Bugs Fixed

  • Fixed error that could occur when fetching a key rotation policy that has no defined lifetime_actions.

4.5.0 (2022-03-28)

Features Added

  • Key Vault API version 7.3 is now the default
  • Added support for multi-tenant authentication when using azure-identity 1.8.0 or newer (#20698)
  • (From 4.5.0b1) KeyClient has a get_random_bytes method for getting a requested number of random bytes from a managed HSM
  • (From 4.5.0b2) Added support for secure key release from a Managed HSM (#19588)
    • Added release_key method to KeyClient for releasing the private component of a key
    • Added exportable and release_policy keyword-only arguments to key creation and import methods
    • Added KeyExportEncryptionAlgorithm enum for specifying an encryption algorithm to be used in key release
  • (From 4.5.0b4) Added KeyClient.get_cryptography_client, which provides a simple way to create a CryptographyClient for a key, given its name and optionally a version (#20621)
  • (From 4.5.0b4) Added support for automated and on-demand key rotation in Azure Key Vault (#19840)
    • Added KeyClient.rotate_key to rotate a key on-demand
    • Added KeyClient.update_key_rotation_policy to update a key's automated rotation policy
  • (From 4.5.0b6) Added immutable keyword-only argument and property to KeyReleasePolicy to support immutable release policies. Once a release policy is marked as immutable, it can no longer be modified.

Breaking Changes

These changes do not impact the API of stable versions such as 4.4.0. Only code written against a beta version such as 4.5.0b1 may be affected.

  • KeyClient.update_key_rotation_policy accepts a required policy argument (#22981)
  • The optional version parameter in KeyClient.release_key is now a keyword-only argument (#22981)
  • Renamed the name parameter in KeyClient.get_key_rotation_policy and KeyClient.update_key_rotation_policy to key_name (#22981)
  • Enum values in azure-keyvault-keys are now uniformly lower-cased (#22981)

Bugs Fixed

  • KeyType now ignores casing during declaration, which resolves a scenario where Key Vault keys created with non-standard casing could not be fetched with the SDK (#22797)

Other Changes

  • (From 4.5.0b6) Python 2.7 is no longer supported. Please use Python version 3.6 or later.
  • (From 4.5.0b6) Updated minimum azure-core version to 1.20.0
  • (From 4.5.0b3) Updated type hints to fix mypy errors (#19158)
  • (From 4.5.0b4) CryptographyClient no longer requires a key version when providing a key ID to its constructor (though providing a version is still recommended)
  • (From 4.5.0b5) To support multi-tenant authentication, get_token calls during challenge authentication requests now pass in a tenant_id keyword argument (#20698). See https://aka.ms/azsdk/python/identity/tokencredential for more details on how to integrate this parameter if get_token is implemented by a custom credential.
  • (From 4.5.0b6) Updated type hints for KeyProperties model's managed, exportable, and release_policy properties (#22368)

4.5.0b6 (2022-02-08)

Features Added

  • Added immutable keyword-only argument and property to KeyReleasePolicy to support immutable release policies. Once a release policy is marked as immutable, it can no longer be modified.

Breaking Changes

These changes do not impact the API of stable versions such as 4.4.0. Only code written against a beta version such as 4.5.0b1 may be affected.

  • Renamed the required argument data in KeyReleasePolicy's constructor to encoded_policy

Other Changes

  • Python 2.7 is no longer supported. Please use Python version 3.6 or later.
  • Updated minimum azure-core version to 1.20.0
  • Updated type hints for KeyProperties model's managed, exportable, and release_policy properties (#22368)
  • (From 4.5.0b5) To support multi-tenant authentication, get_token calls during challenge authentication requests now pass in a tenant_id keyword argument (#20698)

4.5.0b5 (2021-11-11)

Features Added

  • Added support for multi-tenant authentication when using azure-identity 1.7.1 or newer (#20698)

Breaking Changes

These changes do not impact the API of stable versions such as 4.4.0. Only code written against a beta version such as 4.5.0b1 may be affected.

  • KeyClient.get_random_bytes now returns bytes instead of RandomBytes. The RandomBytes class has been removed
  • Renamed the version keyword-only argument in KeyClient.get_cryptography_client to key_version
  • Renamed KeyReleasePolicy.data to KeyReleasePolicy.encoded_policy
  • Renamed the target parameter in KeyClient.release_key to target_attestation_token

Other Changes

  • Updated minimum azure-core version to 1.15.0

4.5.0b4 (2021-10-07)

Features Added

  • Added KeyClient.get_cryptography_client, which provides a simple way to create a CryptographyClient for a key, given its name and optionally a version (#20621)
  • Added support for automated and on-demand key rotation in Azure Key Vault (#19840)
    • Added KeyClient.rotate_key to rotate a key on-demand
    • Added KeyClient.update_key_rotation_policy to update a key's automated rotation policy

Other Changes

  • CryptographyClient no longer requires a key version when providing a key ID to its constructor (though providing a version is still recommended)

4.5.0b3 (2021-09-09)

Other Changes

  • Updated type hints to fix mypy errors (#19158)

4.5.0b2 (2021-08-10)

Features Added

  • Added support for secure key release from a Managed HSM (#19588)
    • Added release_key method to KeyClient for releasing the private component of a key
    • Added exportable and release_policy keyword-only arguments to key creation and import methods
    • Added KeyExportEncryptionAlgorithm enum for specifying an encryption algorithm to be used in key release

Breaking Changes

These changes do not impact the API of stable versions such as 4.4.0. Only code written against a beta version such as 4.5.0b1 may be affected.

  • KeyClient.get_random_bytes now returns a RandomBytes model with bytes in a value property, rather than returning the bytes directly (#19895)

4.5.0b1 (2021-07-08)

Beginning with this release, this library requires Python 2.7 or 3.6+.

Features Added

  • Key Vault API version 7.3-preview is now the default
  • KeyClient has a get_random_bytes method for getting a requested number of random bytes from a managed HSM

4.4.0 (2021-06-22)

This is the last version to support Python 3.5. The next version will require Python 2.7 or 3.6+.

Changed

  • Key Vault API version 7.2 is now the default
  • (From 4.4.0b1) Updated minimum msrest version to 0.6.21

Added

  • KeyClient has a create_oct_key method for creating symmetric keys
  • KeyClient's create_key and create_rsa_key methods now accept a public_exponent keyword-only argument (#18016)
  • (From 4.4.0b1) Added support for Key Vault API version 7.2 (#16566)
    • Added oct_hsm to KeyType
    • Added 128-, 192-, and 256-bit AES-GCM, AES-CBC, and AES-CBCPAD encryption algorithms to EncryptionAlgorithm
    • Added 128- and 192-bit AES-KW key wrapping algorithms to KeyWrapAlgorithm
    • CryptographyClient's encrypt method accepts iv and additional_authenticated_data keyword arguments
    • CryptographyClient's decrypt method accepts iv, additional_authenticated_data, and authentication_tag keyword arguments
    • Added iv, aad, and tag properties to EncryptResult
  • (From 4.4.0b3) CryptographyClient will perform all operations locally if initialized with the .from_jwk factory method (#16565)
  • (From 4.4.0b3) Added requirement for six>=1.12.0
  • (From 4.4.0b4) CryptographyClient can perform AES-CBCPAD encryption and decryption locally (#17762)

Breaking Changes

These changes do not impact the API of stable versions such as 4.3.1. Only code written against a beta version such as 4.4.0b1 may be affected.

  • parse_key_vault_key_id and KeyVaultResourceId have been replaced by a KeyVaultKeyIdentifier class, which can be initialized with a key ID

4.4.0b4 (2021-04-06)

Added

  • CryptographyClient can perform AES-CBCPAD encryption and decryption locally (#17762)

4.4.0b3 (2021-03-11)

Added

  • CryptographyClient will perform all operations locally if initialized with the .from_jwk factory method (#16565)
  • Added requirement for six>=1.12.0

4.4.0b2 (2021-02-10)

Fixed

  • API versions older than 7.2-preview no longer raise ImportError when performing async operations (#16680)

4.4.0b1 (2021-02-10)

Changed

  • Key Vault API version 7.2-preview is now the default
  • Updated msrest requirement to >=0.6.21

Added

  • Support for Key Vault API version 7.2-preview (#16566)
    • Added oct_hsm to KeyType
    • Added 128-, 192-, and 256-bit AES-GCM, AES-CBC, and AES-CBCPAD encryption algorithms to EncryptionAlgorithm
    • Added 128- and 192-bit AES-KW key wrapping algorithms to KeyWrapAlgorithm
    • CryptographyClient's encrypt method accepts iv and additional_authenticated_data keyword arguments
    • CryptographyClient's decrypt method accepts iv, additional_authenticated_data, and authentication_tag keyword arguments
    • Added iv, aad, and tag properties to EncryptResult
  • Added method parse_key_vault_key_id that parses out a full ID returned by Key Vault, so users can easily access the key's name, vault_url, and version.

4.3.1 (2020-12-03)

Fixed

  • CryptographyClient operations no longer raise AttributeError when the client was constructed with a key ID (#15608)

4.3.0 (2020-10-06)

Changed

  • CryptographyClient can perform decrypt and sign operations locally (#9754)

Fixed

  • Correct typing for async paging methods

4.2.0 (2020-08-11)

Fixed

  • Values of x-ms-keyvault-region and x-ms-keyvault-service-version headers are no longer redacted in logging output
  • CryptographyClient will no longer perform encrypt or wrap operations when its key has expired or is not yet valid

Changed

  • Key Vault API version 7.1 is now the default
  • Updated minimum azure-core version to 1.7.0

Added

  • At construction, clients accept a CustomHookPolicy through the optional keyword argument custom_hook_policy
  • All client requests include a unique ID in the header x-ms-client-request-id
  • Dependency on azure-common for multiapi support

4.2.0b1 (2020-03-10)

  • Support for Key Vault API version 7.1-preview (#10124)
    • Added import_key to KeyOperation
    • Added recoverable_days to CertificateProperties
    • Added ApiVersion enum identifying Key Vault versions supported by this package

4.1.0 (2020-03-10)

  • KeyClient instances have a close method which closes opened sockets. Used as a context manager, a KeyClient closes opened sockets on exit. (#9906)
  • Pollers no longer sleep after operation completion (#9991)

4.0.1 (2020-02-11)

  • azure.keyvault.keys defines __version__
  • Challenge authentication policy preserves request options (#8999)
  • Updated msrest requirement to >=0.6.0
  • Challenge authentication policy requires TLS (#9457)
  • Methods no longer raise the internal error KeyVaultErrorException (#9690)
  • Fix AttributeError in async CryptographyClient when verifying signatures remotely (#9734)

4.0.0 (2019-10-31)

Breaking changes:

  • Removed KeyClient.get_cryptography_client() and CryptographyClient.get_key()
  • Moved the optional parameters of several methods into kwargs ( docs detail the new keyword arguments):
    • create_key now has positional parameters name and key_type
    • create_ec_key and create_rsa_key now have one positional parameter, name
    • update_key_properties now has two positional parameters, name and (optional) version
    • import_key now has positional parameters name and key
  • CryptographyClient operations return class instances instead of tuples and renamed the following properties
    • Renamed the decrypted_bytes property of DecryptResult to plaintext
    • Renamed the unwrapped_bytes property of UnwrapResult to key
    • Renamed the result property of VerifyResult to is_valid
  • Renamed the UnwrapKeyResult and WrapKeyResult classes to UnwrapResult and WrapResult
  • Renamed list_keys to list_properties_of_keys
  • Renamed list_key_versions to list_properties_of_key_versions
  • Renamed sync method delete_key to begin_delete_key
  • The sync method begin_delete_key and async delete_key now return pollers that return a DeletedKey
  • Renamed Key to KeyVaultKey
  • KeyVaultKey properties created, expires, and updated renamed to created_on, expires_on, and updated_on
  • The vault_endpoint parameter of KeyClient has been renamed to vault_url
  • The property vault_endpoint has been renamed to vault_url in all models

New features:

  • Now all CryptographyClient returns include key_id and algorithm properties

4.0.0b4 (2019-10-08)

  • Enums JsonWebKeyCurveName, JsonWebKeyOperation, and JsonWebKeyType have been renamed to KeyCurveName, KeyOperation, and KeyType, respectively.

  • Key now has attribute properties, which holds certain properties of the key, such as version. This changes the shape of the returned Key type, as certain properties of Key (such as version) have to be accessed through the properties property.

  • update_key has been renamed to update_key_properties

  • The vault_url parameter of KeyClient has been renamed to vault_endpoint

  • The property vault_url has been renamed to vault_endpoint in all models

Fixes and improvements:

  • The key argument to import_key should be an instance of azure.keyvault.keys.JsonWebKey (#7590)

4.0.0b3 (2019-09-11)

Breaking changes:

  • CryptographyClient methods wrap and unwrap are renamed wrap_key and unwrap_key, respectively.

New features:

  • CryptographyClient performs encrypt, verify and wrap operations locally when its key's public material is available (i.e., when it has keys/get permission).

4.0.0b2 (2019-08-06)

Breaking changes:

  • Removed azure.core.Configuration from the public API in preparation for a revamped configuration API. Static create_config methods have been renamed _create_config, and will be removed in a future release.
  • Removed wrap_key and unwrap_key from KeyClient. These are now available through CryptographyClient.
  • This version of the library requires azure-core 1.0.0b2
    • If you later want to revert to a version requiring azure-core 1.0.0b1, of this or another Azure SDK library, you must explicitly install azure-core 1.0.0b1 as well. For example: pip install azure-core==1.0.0b1 azure-keyvault-keys==4.0.0b1

New features:

  • Added CryptographyClient, a client for performing cryptographic operations (encrypt/decrypt, wrap/unwrap, sign/verify) with a key.
  • Distributed tracing framework OpenCensus is now supported
  • Added support for HTTP challenge based authentication, allowing clients to interact with vaults in sovereign clouds.

Other changes:

4.0.0b1 (2019-06-28)

Version 4.0.0b1 is the first preview of our efforts to create a user-friendly and Pythonic client library for Azure Key Vault. For more information about preview releases of other Azure SDK libraries, please visit https://aka.ms/azure-sdk-preview1-python.

This library is not a direct replacement for azure-keyvault. Applications using that library would require code changes to use azure-keyvault-keys. This package's documentation and samples demonstrate the new API.

Major changes from azure-keyvault

  • Packages scoped by functionality
    • azure-keyvault-keys contains a client for key operations, azure-keyvault-secrets contains a client for secret operations
  • Client instances are scoped to vaults (an instance interacts with one vault only)
  • Asynchronous API supported on Python 3.5.3+
    • the azure.keyvault.keys.aio namespace contains an async equivalent of the synchronous client in azure.keyvault.keys
  • Authentication using azure-identity credentials

azure-keyvault features not implemented in this release

  • Certificate management APIs
  • Cryptographic operations, e.g. sign, un/wrap_key, verify, en- and decrypt
  • National cloud support. This release supports public global cloud vaults, e.g. https://{vault-name}.vault.azure.net

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