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sxt: sxt_reseed()

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This commit is contained in:
Alexander Vdolainen 2016-07-06 05:35:30 +03:00
parent 9e3da0fd3f
commit 967f161887
4 changed files with 20 additions and 0 deletions
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1
include/sxt/lcrypt.h
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@ -51,5 +51,6 @@ SHA512CTX sha512_init(void);
void sha512_update(SHA512CTX c, const void *data, unsigned long len); void sha512_update(SHA512CTX c, const void *data, unsigned long len);
void sha512_final(unsigned char *md, SHA512CTX c); void sha512_final(unsigned char *md, SHA512CTX c);
int lcrypt_reseed(void);
#endif #endif

2
include/sxt/sxt.h
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@ -31,4 +31,6 @@ int sxt_init(void);
int sxt_finish(void); int sxt_finish(void);
int sxt_reseed(void);
#endif /* __SXT_SXT_H__ */ #endif /* __SXT_SXT_H__ */

5
sxt/core.c
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@ -72,6 +72,11 @@ int sxt_finish(void)
return 0; return 0;
} }
int sxt_reseed(void)
{
return lcrypt_reseed();
}
int sxt_get_random(void *data, int len, int pseudo) int sxt_get_random(void *data, int len, int pseudo)
{ {
if(pseudo) return RAND_bytes(data, len); if(pseudo) return RAND_bytes(data, len);

12
sxt/lcrypt.c
View File

@ -27,9 +27,11 @@
#include <stdint.h> #include <stdint.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <sys/time.h>
#include <openssl/aes.h> #include <openssl/aes.h>
#include <openssl/blowfish.h> #include <openssl/blowfish.h>
#include <openssl/rand.h>
#include <sxt/errno.h> #include <sxt/errno.h>
#include <sxt/ciphers.h> #include <sxt/ciphers.h>
@ -171,3 +173,13 @@ int lcrypt_init_ciphers(void)
return r; return r;
} }
/* misc */
int lcrypt_reseed(void)
{
#ifndef WIN32
struct timeval tv;
gettimeofday(&tv, NULL);
RAND_add(&tv, sizeof(struct timeval), 0.0);
#endif
return SXT_SUCCESS;
}