# SymmetricEncryptionAttributes
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Parameters requried to encrypt plaintext data using symmetric keys.

## Contents
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 ** Mode **   <a name="paymentcryptographydata-Type-SymmetricEncryptionAttributes-Mode"></a>
The block cipher method to use for encryption.  
Type: String  
Valid Values: `ECB | CBC | CFB | CFB1 | CFB8 | CFB64 | CFB128 | OFB`   
Required: Yes

 ** InitializationVector **   <a name="paymentcryptographydata-Type-SymmetricEncryptionAttributes-InitializationVector"></a>
An input used to provide the intial state. If no value is provided, AWS Payment Cryptography defaults it to zero.  
Type: String  
Length Constraints: Minimum length of 16. Maximum length of 32.  
Pattern: `(?:[0-9a-fA-F]{16}|[0-9a-fA-F]{32})`   
Required: No

 ** PaddingType **   <a name="paymentcryptographydata-Type-SymmetricEncryptionAttributes-PaddingType"></a>
The padding to be included with the data.  
Type: String  
Valid Values: `PKCS1 | OAEP_SHA1 | OAEP_SHA256 | OAEP_SHA512`   
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/payment-cryptography-data-2022-02-03/SymmetricEncryptionAttributes) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/payment-cryptography-data-2022-02-03/SymmetricEncryptionAttributes) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/payment-cryptography-data-2022-02-03/SymmetricEncryptionAttributes)