{"id":789,"date":"2009-12-01T16:24:06","date_gmt":"2009-12-01T16:24:06","guid":{"rendered":"http:\/\/pchero21.com\/?p=789"},"modified":"2009-12-01T16:24:06","modified_gmt":"2009-12-01T16:24:06","slug":"openssl-random-%ed%95%a8%ec%88%98-%ec%82%ac%ec%9a%a9%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"http:\/\/pchero21.com\/?p=789","title":{"rendered":"OpenSSL-RANDOM \ud568\uc218 \uc0ac\uc6a9\ud558\uae30"},"content":{"rendered":"

\n

#include <stdio.h>
#include <openssl\/err.h>
#include <openssl\/rand.h><\/P>
\n

int main(int argc, char* argv[])
{
        int i;
        int retVal = 0;
        \/\/ \ub79c\ub364 \uc218\uc758 \uae38\uc774\ub294 64\ub85c \ud55c\ub2e4.<\/P>
\n

        int length = 64;
        \/\/ PRNG\uc5d0 \uacf5\uae09\ud560 seed \uc0dd\uc131
        RAND_status();
        \/\/ \uc0dd\uc131\ud560 \ub79c\ub364 \uc218 \uae38\uc774\ub9cc\ud07c\uc758 \ubc84\ud37c \uc0dd\uc131
        unsigned char *buffer = (unsigned char*)malloc(sizeof(unsigned char) * length);<\/P>
\n

        \/\/ run PRNG
        retVal = RAND_bytes(buffer, length);
        if(retVal <= 0) {
                printf(“error encount!n”);
                return 0;
        }<\/P>
\n

        \/\/ print random number
        printf(“Random number = “);<\/P>
\n

        for(i = 0; i < length; i++)
                printf(“%c”, buffer[i]);<\/P>
\n

        return 1;
}<\/P><\/BLOCKQUOTE>
\n

 <\/P>
\n

 Windows\uc758 \uacbd\uc6b0 RAND_status() \ub97c RAND_screen() \uc73c\ub85c \ubc14\uafd4\uc8fc\uba74 \ub41c\ub2e4.<\/P>
\n

 <\/P>
\n


<\/P><\/p>\n","protected":false},"excerpt":{"rendered":"

#include <stdio.h>#include <openssl\/err.h>#include <openssl\/rand.h> int main(int argc, char* argv[]){        int i;        int retVal = 0;        \/\/ \ub79c\ub364 \uc218\uc758 \uae38\uc774\ub294 64\ub85c \ud55c\ub2e4.         int length = 64;      … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[53],"tags":[297,362],"_links":{"self":[{"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/posts\/789"}],"collection":[{"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/pchero21.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=789"}],"version-history":[{"count":0,"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/posts\/789\/revisions"}],"wp:attachment":[{"href":"http:\/\/pchero21.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=789"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/pchero21.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=789"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/pchero21.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=789"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}