AzureKeyVault v1.0.0

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Key and Secret Management in 'Azure'

Manage keys, certificates, secrets, and storage accounts in Microsoft's 'Key Vault' service: <https://azure.microsoft.com/services/key-vault>. Provides facilities to store and retrieve secrets, use keys to encrypt, decrypt, sign and verify data, and manage certificates. Integrates with the 'AzureAuth' package to enable authentication with a certificate, and with the 'openssl' package for importing and exporting.

Readme

AzureKeyVault

Azure Key Vault enables Microsoft Azure applications and users to store and use several types of secret/key data:

  • Cryptographic keys: Supports multiple key types and algorithms, and enables the use of Hardware Security Modules (HSM) for high value keys.
  • Secrets: Provides secure storage of secrets, such as passwords and database connection strings.
  • Certificates: Supports certificates, which are built on top of keys and secrets and add an automated renewal feature.
  • Azure Storage: Can manage keys of an Azure Storage account for you. Internally, Key Vault can list (sync) keys with an Azure Storage Account, and regenerate (rotate) the keys periodically.

AzureKeyVault is an R package for working with the Key Vault service. It provides both a client interface, to access the contents of the vault, and a Resource Manager interface for administering the Key Vault itself.

You can install the development version of the package from GitHub:

devtools::install_github("cloudyr/AzureKeyVault")

Resource Manager interface

AzureKeyVault extends the AzureRMR package to handle key vaults. In addition to creating and deleting vaults, it provides methods to manage access policies for user and service principals.

# create a key vault
rg <- AzureRMR::get_azure_login()$
    get_subscription("sub_id")$
    get_resource_group("rgname")
kv <- rg$create_key_vault("mykeyvault")

# list current principals (by default includes logged-in user)
kv$list_principals()

# get details for a service principal
svc <- AzureGraph::get_graph_login()$
    get_service_principal("app_id")

# give the service principal read-only access to vault keys and secrets
kv$add_principal(svc,
    key_permissions=c("get", "list", "backup"),
    secret_permissions=c("get", "list", "backup"),
    certificate_permissions=NULL,
    storage_permissions=NULL)

Client interface

The client interface is R6-based. To instantiate a new client object, call the key_vault function. This object includes sub-objects for interacting with keys, secrets, certificates and managed storage accounts.

vault <- key_vault("https://mykeyvault.vault.azure.net")

# can also be done from the ARM resource object
vault <- kv$get_endpoint()


# create a new secret
vault$secrets$create("newsecret", "hidden text")
secret <- vault$secrets$get("newsecret")

# printing the value won't display it; this is to help guard against shoulder-surfing
secret$value
#> <hidden>


# create a new RSA key with 4096-bit key size
vault$keys$create("newkey", type="RSA", rsa_key_size=4096)

# encrypting and decrypting
key <- vault$keys$get("newkey")
plaintext <- "super secret"
ciphertext <- key$encrypt(plaintext)
decrypted_text <- key$decrypt(ciphertext, as_raw=FALSE)
plaintext == decrypted_text
#> [1] TRUE


# create a new self-signed certificate (will also create an associated key and secret)
cert <- vault$certificates$create("newcert",
    subject="CN=mydomain.com",
    x509=cert_x509_properties(dns_names="mydomain.com"))

# import a certificate from a PFX file
vault$certificates$import("importedcert", "mycert.pfx")

# OAuth authentication using a cert in Key Vault (requires AzureAuth >= 1.0.2)
AzureAuth::get_azure_token("resource_url", "mytenant", "app_id", certificate=cert)

# export the certificate as a PEM file
# (you should only export a cert if absolutely necessary)
cert$export("newcert.pem")


# add a managed storage account
storage_res <- rg$get_resource(type="Microsoft.Storage/storageAccounts", name="mystorage")
stor <- vault$storage$add("mystorage", storage_res, "key1")

# Creating a new SAS definition
sasdef <- "sv=2015-04-05&ss=bqtf&srt=sco&sp=r"
stor$create_sas_definition("newsas", sasdef, validity_period="P30D")

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Functions in AzureKeyVault

Name Description
create_key_vault Create Azure key vault
key Encryption key object
secrets Stored secrets in Key Vault
key_vault Azure Key Vault client
keys Encryption keys in Key Vault
certificates Certificates in Key Vault
certificate Certificate object
AzureKeyVault Azure Key Vault endpoint class
az_key_vault Key vault resource class
delete_key_vault Delete an Azure Key Vault
storage_account Managed storage account
storage_accounts Storage accounts in Key Vault
get_key_vault Get existing Azure Key Vault
cert_key_properties Helper functions for key vault objects
vault_access_policy Specify a key vault access policy
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Vignettes of AzureKeyVault

Name
intro.Rmd
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Details

License MIT + file LICENSE
URL https://github.com/cloudyr/AzureKeyVault
BugReports https://github.com/cloudyr/AzureKeyVault/issues
VignetteBuilder knitr
RoxygenNote 6.1.1
NeedsCompilation no
Packaged 2019-05-12 22:00:14 UTC; hongo
Repository CRAN
Date/Publication 2019-05-14 22:40:12 UTC

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