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Merge request
<a href="https://gitlab.com/gnutls/gnutls/merge_requests/1051">!1051</a>
was reviewed by
<a href="https://gitlab.com/nmav">Nikos Mavrogiannopoulos</a>
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<p style="color: #777777;">
<a href="https://gitlab.com/nmav">Nikos Mavrogiannopoulos</a>
started a new
discussion on <a href="https://gitlab.com/gnutls/gnutls/merge_requests/1051#note_199713714">lib/pk.h</a>:
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30
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<pre style="margin: 0;"> <span id="LC30" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define _gnutls_pk_decrypt( algo, ciphertext, plaintext, params) _gnutls_pk_ops.decrypt( algo, ciphertext, plaintext, params)</span></span>
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<td class="diff-line-num old_line" data-linenumber="31" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC31" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define _gnutls_pk_decrypt2( algo, ciphertext, plaintext, size, params) _gnutls_pk_ops.decrypt2( algo, ciphertext, plaintext, size, params)</span></span>
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<td class="diff-line-num old old_line" data-linenumber="32" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC32" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define _gnutls_pk_sign( algo, sig, data, params, sign_params<span class="idiff left right">) _gnutls_pk_ops.sign( algo, sig, data, params, sign_param</span>s)</span></span>
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<p dir="auto">If we cannot avoid the flags parameter, what about adding a brief comment documenting which flags are expected here?</p>
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<p style="color: #777777;">
<a href="https://gitlab.com/nmav">Nikos Mavrogiannopoulos</a>
started a new
discussion on <a href="https://gitlab.com/gnutls/gnutls/merge_requests/1051#note_199713715">lib/crypto-backend.h</a>:
</p>
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362
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<pre style="margin: 0;">-<span id="LC362" class="line" lang="c"> <span class="k" style="font-weight: 600;">const</span> <span class="n" style="color: #333;">gnutls_x509_spki_st</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">sign</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC362" class="line" lang="c"> <span class="k" style="font-weight: 600;">const</span> <span class="n" style="color: #333;">gnutls_x509_spki_st</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">sign</span><span class="p">,</span></span>
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<pre style="margin: 0;">+<span id="LC363" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">unsigned</span> <span class="kt" style="color: #458; font-weight: 600;">int</span> <span class="n" style="color: #333;">flags</span><span class="p">);</span></span>
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<p dir="auto">Have you considered the use of the <code>gnutls_pk_params_st</code> <code>pkflags</code> field instead of a new flags?</p>
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<p style="color: #777777;">
<a href="https://gitlab.com/nmav">Nikos Mavrogiannopoulos</a>
started a new
discussion on <a href="https://gitlab.com/gnutls/gnutls/merge_requests/1051#note_199713718">lib/nettle/pk.c</a>:
</p>
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<td class="diff-line-num new new_line" data-linenumber="899" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC899" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">ret</span> <span class="o" style="font-weight: 600;"><</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC900" class="line" lang="c"> <span class="k" style="font-weight: 600;">goto</span> <span class="n" style="color: #333;">dsa_fail</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC901" class="line" lang="c"> <span class="cm" style="color: #998; font-style: italic;">/* dsa_sign adds 1 for some reason */</span></span>
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<p dir="auto">Interesting. Most likely to ensure a non-zero value.
What about changing the comment to: <code>/* cancel-out dsa_sign's addition of 1 to random data */</code>? That would guide a curious reader without having to refer to nettle to understand why is that.</p>
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