diff options
Diffstat (limited to 'userspace/setkey.c')
-rw-r--r-- | userspace/setkey.c | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/userspace/setkey.c b/userspace/setkey.c deleted file mode 100644 index 10e22b9cab6..00000000000 --- a/userspace/setkey.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - * Demo on how to use /dev/crypto device for HMAC. - * - * Placed under public domain. - * - */ -#include <stdint.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> -#include <fcntl.h> -#include <time.h> -#include <sys/ioctl.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "../ncr.h" -#include <stdlib.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> - -int main(int argc, char** argv) -{ - int fd = -1; - FILE* fp; - struct ncr_master_key_set key; - int size, ret; - struct stat st; - uint8_t rawkey[32]; - - if (argc != 2) { - fprintf(stderr, "Usage: setkey [filename]\n"); - exit(1); - } - - /* check permissions */ - ret = stat(argv[1], &st); - if (ret < 0) { - fprintf(stderr, "Cannot find key: %s\n", argv[1]); - exit(1); - } - - if (st.st_mode & S_IROTH || st.st_mode & S_IRGRP || st.st_uid != 0) { - fprintf(stderr, "Key file must belong to root and must be readable by him only.\n"); - exit(1); - } - - /* read key */ - - memset(&key, 0, sizeof(key)); - fp = fopen(argv[1], "r"); - if (fp == NULL) { - fprintf(stderr, "Cannot read %s\n", argv[1]); - exit(1); - } - - size = fread(rawkey, 1, sizeof(rawkey), fp); - if (size < 16) { - fprintf(stderr, "Illegal key!\n"); - exit(1); - } - fclose(fp); - key.key = rawkey; - key.key_size = size; - - /* Open the crypto device */ - fd = open("/dev/crypto", O_RDWR, 0); - if (fd < 0) { - perror("open(/dev/crypto)"); - return 1; - } - - /* encrypt */ - - if (ioctl(fd, NCRIO_MASTER_KEY_SET, &key)) { - fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__); - perror("ioctl(NCRIO_MASTER_KEY_SET)"); - return 1; - } - /* Close the original descriptor */ - if (close(fd)) { - perror("close(fd)"); - return 1; - } - - return 0; -} |