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https://issues.apache.org/jira/browse/PDFBOX-4784?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pierrick Vandenbroucke updated PDFBOX-4784:
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Description:
In DSS, we build electronic signatures with two stateless operations
(computation of the data to be signed and incorporation of the signature
value). Currently, the signature creation fails with encrypted documents (AES)
due to the Initialization Vector generations which produce different values at
each call.
We would need a way to "stabilize" this part. We discussed about that on our
[issue tracker|https://ec.europa.eu/cefdigital/tracker/browse/DSS-1962] and the
idea would be to provide a custom instance of the SecureRandom to the
[SecurityHandler|https://github.com/apache/pdfbox/blob/2.0.19/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/encryption/SecurityHandler.java#L381].
was:
In DSS, we build electronic signatures with two stateless operations
(computation of the data to be signed and incorporation of the signature
value). Currently, the signature creation fails with encrypted documents (AES)
due to the Initialization Vector which generates different values at each call.
We would need a way to "stabilize" this part. We discussed about that on our
[issue tracker|https://ec.europa.eu/cefdigital/tracker/browse/DSS-1962] and the
idea would be to provide a custom instance of the SecureRandom to the
[SecurityHandler|https://github.com/apache/pdfbox/blob/2.0.19/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/encryption/SecurityHandler.java#L381].
> Possibility to provide the SecureRandom to SecurityHandler
> ----------------------------------------------------------
>
> Key: PDFBOX-4784
> URL: https://issues.apache.org/jira/browse/PDFBOX-4784
> Project: PDFBox
> Issue Type: Improvement
> Reporter: Pierrick Vandenbroucke
> Priority: Major
>
> In DSS, we build electronic signatures with two stateless operations
> (computation of the data to be signed and incorporation of the signature
> value). Currently, the signature creation fails with encrypted documents
> (AES) due to the Initialization Vector generations which produce different
> values at each call.
> We would need a way to "stabilize" this part. We discussed about that on our
> [issue tracker|https://ec.europa.eu/cefdigital/tracker/browse/DSS-1962] and
> the idea would be to provide a custom instance of the SecureRandom to the
> [SecurityHandler|https://github.com/apache/pdfbox/blob/2.0.19/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/encryption/SecurityHandler.java#L381].
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