diff options
| -rw-r--r-- | package/utils/px5g-mbedtls/px5g-mbedtls.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/package/utils/px5g-mbedtls/px5g-mbedtls.c b/package/utils/px5g-mbedtls/px5g-mbedtls.c index 0b72154509..4e0a73ab0a 100644 --- a/package/utils/px5g-mbedtls/px5g-mbedtls.c +++ b/package/utils/px5g-mbedtls/px5g-mbedtls.c @@ -20,6 +20,7 @@ */ #include <sys/types.h> +#include <sys/random.h> #include <stdio.h> #include <stdlib.h> @@ -31,6 +32,7 @@ #include <stdbool.h> #include <mbedtls/bignum.h> +#include <mbedtls/entropy.h> #include <mbedtls/x509_crt.h> #include <mbedtls/ecp.h> #include <mbedtls/rsa.h> @@ -40,12 +42,16 @@ #define PX5G_COPY "Copyright (c) 2009 Steven Barth <steven@midlink.org>" #define PX5G_LICENSE "Licensed under the GNU Lesser General Public License v2.1" -static int urandom_fd; static char buf[16384]; static int _urandom(void *ctx, unsigned char *out, size_t len) { - read(urandom_fd, out, len); + ssize_t ret; + + ret = getrandom(out, len, 0); + if (ret < 0 || (size_t)ret != len) + return MBEDTLS_ERR_ENTROPY_SOURCE_FAILED; + return 0; } @@ -306,8 +312,6 @@ int selfsigned(char **arg) int main(int argc, char *argv[]) { - urandom_fd = open("/dev/urandom", O_RDONLY); - if (!argv[1]) { //Usage } else if (!strcmp(argv[1], "eckey")) { |