rsa: Implement blinding also for signing.
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rsa: Implement blinding also for signing.

* cipher/rsa.c (rsa_decrypt): Factor blinding code out to ...
(secret_blinded): new.
(rsa_sign): Use blinding by default.

Although blinding of the RSA sign operation has a noticable speed
loss, we better be on the safe site by using it by default.

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• werner

Authored on Jun 3 2016, 3:42 PM

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Werner Koch <wk@gnupg.org> committed rC1f769e3e8442: rsa: Implement blinding also for signing. (authored by Werner Koch <wk@gnupg.org>).Jun 8 2016, 6:18 PM

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