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< div class = "headertitle" >< div class = "title" > secure_zero.hpp</ div ></ div >
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< a href = "secure__zero_8hpp.html" > Go to the documentation of this file.</ a >< div class = "fragment" >< div class = "line" >< a id = "l00001" name = "l00001" ></ a >< span class = "lineno" > 1</ span >< span class = "comment" > /*</ span ></ div >
< div class = "line" >< a id = "l00002" name = "l00002" ></ a >< span class = "lineno" > 2</ span >< span class = "comment" > * SPDX-FileCopyrightText: 2025 M5Stack Technology CO LTD</ span ></ div >
< div class = "line" >< a id = "l00003" name = "l00003" ></ a >< span class = "lineno" > 3</ span >< span class = "comment" > *</ span ></ div >
< div class = "line" >< a id = "l00004" name = "l00004" ></ a >< span class = "lineno" > 4</ span >< span class = "comment" > * SPDX-License-Identifier: MIT</ span ></ div >
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< div class = "line" >< a id = "l00010" name = "l00010" ></ a >< span class = "lineno" > 10</ span >< span class = "preprocessor" > #pragma once</ span ></ div >
< div class = "line" >< a id = "l00011" name = "l00011" ></ a >< span class = "lineno" > 11</ span > </ div >
< div class = "line" >< a id = "l00012" name = "l00012" ></ a >< span class = "lineno" > 12</ span >< span class = "preprocessor" > #include < cstddef> </ span ></ div >
< div class = "line" >< a id = "l00013" name = "l00013" ></ a >< span class = "lineno" > 13</ span > </ div >
< div class = "line" >< a id = "l00014" name = "l00014" ></ a >< span class = "lineno" > 14</ span >< span class = "keyword" > namespace </ span >< a class = "code hl_namespace" href = "namespacem5.html" > m5</ a > {</ div >
< div class = "line" >< a id = "l00015" name = "l00015" ></ a >< span class = "lineno" > 15</ span >< span class = "keyword" > namespace </ span >< a class = "code hl_namespace" href = "namespacenfc.html" > nfc</ a > {</ div >
< div class = "line" >< a id = "l00016" name = "l00016" ></ a >< span class = "lineno" > 16</ span >< span class = "keyword" > namespace </ span > crypto {</ div >
< div class = "line" >< a id = "l00017" name = "l00017" ></ a >< span class = "lineno" > 17</ span > </ div >
< div class = "line" >< a id = "l00018" name = "l00018" ></ a >< span class = "lineno" > 18</ span >< span class = "keyword" > inline</ span > < span class = "keywordtype" > void</ span > secure_zero(< span class = "keywordtype" > void</ span > * p, < span class = "keyword" > const</ span > < span class = "keywordtype" > size_t</ span > n)</ div >
< div class = "line" >< a id = "l00019" name = "l00019" ></ a >< span class = "lineno" > 19</ span > {</ div >
< div class = "line" >< a id = "l00020" name = "l00020" ></ a >< span class = "lineno" > 20</ span > < span class = "keywordflow" > if</ span > (!p || n == 0) {</ div >
< div class = "line" >< a id = "l00021" name = "l00021" ></ a >< span class = "lineno" > 21</ span > < span class = "keywordflow" > return</ span > ;</ div >
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< div class = "line" >< a id = "l00023" name = "l00023" ></ a >< span class = "lineno" > 23</ span > < span class = "keyword" > volatile</ span > < span class = "keywordtype" > unsigned</ span > < span class = "keywordtype" > char</ span > * < a class = "code hl_namespace" href = "namespacev.html" > v</ a > = < span class = "keyword" > reinterpret_cast< </ span >< span class = "keyword" > volatile </ span >< span class = "keywordtype" > unsigned</ span > < span class = "keywordtype" > char</ span > *< span class = "keyword" > > </ span > (p);</ div >
< div class = "line" >< a id = "l00024" name = "l00024" ></ a >< span class = "lineno" > 24</ span > < span class = "keywordflow" > for</ span > (< span class = "keywordtype" > size_t</ span > i = 0; i < n; ++i) {</ div >
< div class = "line" >< a id = "l00025" name = "l00025" ></ a >< span class = "lineno" > 25</ span > < a class = "code hl_namespace" href = "namespacev.html" > v</ a > [i] = 0;</ div >
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< div class = "line" >< a id = "l00029" name = "l00029" ></ a >< span class = "lineno" > 29</ span > } < span class = "comment" > // namespace crypto</ span ></ div >
< div class = "line" >< a id = "l00030" name = "l00030" ></ a >< span class = "lineno" > 30</ span > } < span class = "comment" > // namespace nfc</ span ></ div >
< div class = "line" >< a id = "l00031" name = "l00031" ></ a >< span class = "lineno" > 31</ span > } < span class = "comment" > // namespace m5</ span ></ div >
< div class = "ttc" id = "anamespacem5_html" >< div class = "ttname" >< a href = "namespacem5.html" > m5</ a ></ div >< div class = "ttdoc" > Top level namespace of M5stack.</ div ></ div >
< div class = "ttc" id = "anamespacenfc_html" >< div class = "ttname" >< a href = "namespacenfc.html" > nfc</ a ></ div >< div class = "ttdoc" > NFC related definitions.</ div ></ div >
< div class = "ttc" id = "anamespacev_html" >< div class = "ttname" >< a href = "namespacev.html" > v</ a ></ div >< div class = "ttdoc" > NFC-V definitions.</ div ></ div >
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< li class = "navelem" >< a class = "el" href = "dir_68267d1309a1af8e8297ef4c3efbcdba.html" > src</ a ></ li >< li class = "navelem" >< a class = "el" href = "dir_59410e1461a4f8107dcbc9b19538c327.html" > nfc</ a ></ li >< li class = "navelem" >< a class = "el" href = "dir_ffdbe2113e5d91887eca457e1e994882.html" > crypto</ a ></ li >< li class = "navelem" >< a class = "el" href = "secure__zero_8hpp.html" > secure_zero.hpp</ a ></ li >
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