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Update CMakeLists.txt

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Check RDRAND symbols
This commit is contained in:
Zhi Guan
2023-10-16 08:48:19 +08:00
parent 71fb469801
commit 8148b9ac52
2 changed files with 47 additions and 14 deletions
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20
tools/rand.c
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@@ -17,7 +17,7 @@
#include <gmssl/rand.h>
static const char *options = "[-hex] [-rdrand] -outlen num [-out file]";
static const char *options = "[-hex] [-rdrand|-rdseed] -outlen num [-out file]";
int rand_main(int argc, char **argv)
{
@@ -25,6 +25,7 @@ int rand_main(int argc, char **argv)
char *prog = argv[0];
int hex = 0;
int rdrand = 0;
int rdseed = 0;
int outlen = 0;
char *outfile = NULL;
FILE *outfp = stdout;
@@ -47,6 +48,8 @@ int rand_main(int argc, char **argv)
hex = 1;
} else if (!strcmp(*argv, "-rdrand")) {
rdrand = 1;
} else if (!strcmp(*argv, "-rdseed")) {
rdseed = 1;
} else if (!strcmp(*argv, "-outlen")) {
if (--argc < 1) goto bad;
outlen = atoi(*(++argv));
@@ -82,12 +85,23 @@ bad:
size_t len = outlen < sizeof(buf) ? outlen : sizeof(buf);
if (rdrand) {
/*
#ifdef INTEL_RDRAND
if (rdrand_bytes(buf, len) != 1) {
fprintf(stderr, "%s: inner error\n", prog);
goto end;
}
*/
#else
fprintf(stderr, "%s: `-rdrand` is not supported on your platform\n", prog);
#endif
} else if (rdseed) {
#ifdef INTEL_RDSEED
if (rdseed_bytes(buf, len) != 1) {
fprintf(stderr, "%s: inner error\n", prog);
goto end;
}
#else
fprintf(stderr, "%s: `-rdseed` is not supported on your platform\n", prog);
#endif
} else {
if (rand_bytes(buf, len) != 1) {
fprintf(stderr, "%s: inner error\n", prog);