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Selecting the hash algorithm

In the Expert Back Office ( Settings > Shop > Keys), the merchant can choose the hash function to use for generating signatures.

HMAC-SHA-256 signature algorithm is applied by default.

 

You can select a different signature algorithm for TEST mode and for PRODUCTION mode.

However, be sure to use the same method to generate your payment forms and to analyze the data transmitted by the gateway during notifications.

 

In order to facilitate changing the algorithm, the SHA-1 or HMAC-SHA-256 signatures will be accepted without generating rejections due to signature error for 24h.

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109, rue de l’innovation
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2.9.0-doc-1.8