diff options
Diffstat (limited to 'util-linux/seedrng.c')
| -rw-r--r-- | util-linux/seedrng.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/util-linux/seedrng.c b/util-linux/seedrng.c index 49b9ab5..5735dc0 100644 --- a/util-linux/seedrng.c +++ b/util-linux/seedrng.c @@ -21,7 +21,7 @@ */ //config:config SEEDRNG -//config: bool "seedrng (2.1 kb)" +//config: bool "seedrng (2 kb)" //config: default y //config: help //config: Seed the kernel RNG from seed files, meant to be called @@ -173,8 +173,6 @@ static int seed_from_file_if_exists(const char *filename, int dfd, bool credit, int seedrng_main(int argc, char *argv[]) MAIN_EXTERNALLY_VISIBLE; int seedrng_main(int argc UNUSED_PARAM, char *argv[]) { - static const char seedrng_prefix[] = "SeedRNG v1 Old+New Prefix"; - static const char seedrng_failure[] = "SeedRNG v1 No New Seed Failure"; char *seed_dir, *creditable_seed, *non_creditable_seed; int ret, fd = -1, dfd = -1, program_ret = 0; uint8_t new_seed[MAX_SEED_LEN]; @@ -218,7 +216,7 @@ int seedrng_main(int argc UNUSED_PARAM, char *argv[]) } sha256_begin(&hash); - sha256_hash(&hash, seedrng_prefix, strlen(seedrng_prefix)); + sha256_hash(&hash, "SeedRNG v1 Old+New Prefix", 25); clock_gettime(CLOCK_REALTIME, ×tamp); sha256_hash(&hash, ×tamp, sizeof(timestamp)); clock_gettime(CLOCK_BOOTTIME, ×tamp); @@ -236,7 +234,7 @@ int seedrng_main(int argc UNUSED_PARAM, char *argv[]) if (ret < 0) { bb_simple_perror_msg("unable to read new seed"); new_seed_len = SHA256_OUTSIZE; - strncpy((char *)new_seed, seedrng_failure, new_seed_len); + memset(new_seed, 0, SHA256_OUTSIZE); program_ret |= 1 << 3; } sha256_hash(&hash, &new_seed_len, sizeof(new_seed_len)); |