# Hash Signing

{% content-ref url="../../../../proof-of-concept/t-rssp-api-sign-hash" %}
[t-rssp-api-sign-hash](https://idthrivo.gitbook.io/thrivosign-remote-signing-solution/proof-of-concept/t-rssp-api-sign-hash)
{% endcontent-ref %}

Hash Signing is to provide a secure and reliable method for digitally signing documents and transactions. By leveraging cryptographic algorithms such as RSA-2048 encryption and various digest algorithms like SHA-256, SHA-384, and SHA-512, Hash Signing ensures the integrity, authenticity, and confidentiality of signed data. With support for essential parameters and customizable notification settings, Hash Signing offers a versatile solution for businesses and individuals seeking to streamline their document signing processes while maintaining data security.