This is the new *Amazon CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [Amazon CloudFormation User Guide](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/Welcome.html).

# AWS::PCAConnectorAD::Template PrivateKeyAttributesV4
<a name="aws-properties-pcaconnectorad-template-privatekeyattributesv4"></a>

Defines the attributes of the private key.

## Syntax
<a name="aws-properties-pcaconnectorad-template-privatekeyattributesv4-syntax"></a>

To declare this entity in your Amazon CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-pcaconnectorad-template-privatekeyattributesv4-syntax.json"></a>

```
{
  "[Algorithm](#cfn-pcaconnectorad-template-privatekeyattributesv4-algorithm)" : {{String}},
  "[CryptoProviders](#cfn-pcaconnectorad-template-privatekeyattributesv4-cryptoproviders)" : {{[ String, ... ]}},
  "[KeySpec](#cfn-pcaconnectorad-template-privatekeyattributesv4-keyspec)" : {{String}},
  "[KeyUsageProperty](#cfn-pcaconnectorad-template-privatekeyattributesv4-keyusageproperty)" : {{KeyUsageProperty}},
  "[MinimalKeyLength](#cfn-pcaconnectorad-template-privatekeyattributesv4-minimalkeylength)" : {{Number}}
}
```

### YAML
<a name="aws-properties-pcaconnectorad-template-privatekeyattributesv4-syntax.yaml"></a>

```
  [Algorithm](#cfn-pcaconnectorad-template-privatekeyattributesv4-algorithm): {{String}}
  [CryptoProviders](#cfn-pcaconnectorad-template-privatekeyattributesv4-cryptoproviders): {{
    - String}}
  [KeySpec](#cfn-pcaconnectorad-template-privatekeyattributesv4-keyspec): {{String}}
  [KeyUsageProperty](#cfn-pcaconnectorad-template-privatekeyattributesv4-keyusageproperty): {{
    KeyUsageProperty}}
  [MinimalKeyLength](#cfn-pcaconnectorad-template-privatekeyattributesv4-minimalkeylength): {{Number}}
```

## Properties
<a name="aws-properties-pcaconnectorad-template-privatekeyattributesv4-properties"></a>

`Algorithm`  <a name="cfn-pcaconnectorad-template-privatekeyattributesv4-algorithm"></a>
Defines the algorithm used to generate the private key.  
*Required*: No  
*Type*: String  
*Allowed values*: `RSA | ECDH_P256 | ECDH_P384 | ECDH_P521`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`CryptoProviders`  <a name="cfn-pcaconnectorad-template-privatekeyattributesv4-cryptoproviders"></a>
Defines the cryptographic providers used to generate the private key.  
*Required*: No  
*Type*: Array of String  
*Minimum*: `1 | 1`  
*Maximum*: `100 | 100`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`KeySpec`  <a name="cfn-pcaconnectorad-template-privatekeyattributesv4-keyspec"></a>
Defines the purpose of the private key. Set it to "KEY\_EXCHANGE" or "SIGNATURE" value.  
*Required*: Yes  
*Type*: String  
*Allowed values*: `KEY_EXCHANGE | SIGNATURE`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`KeyUsageProperty`  <a name="cfn-pcaconnectorad-template-privatekeyattributesv4-keyusageproperty"></a>
The key usage property defines the purpose of the private key contained in the certificate. You can specify specific purposes using property flags or all by using property type ALL.  
*Required*: No  
*Type*: [KeyUsageProperty](aws-properties-pcaconnectorad-template-keyusageproperty.md)  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`MinimalKeyLength`  <a name="cfn-pcaconnectorad-template-privatekeyattributesv4-minimalkeylength"></a>
Set the minimum key length of the private key.  
*Required*: Yes  
*Type*: Number  
*Minimum*: `1`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)