*/
#include "includes.h"
-RCSID("$OpenBSD: ssh-keygen.c,v 1.101 2002/06/23 09:39:55 deraadt Exp $");
+RCSID("$OpenBSD: ssh-keygen.c,v 1.83 2001/10/25 21:14:32 markus Exp $");
#include <openssl/evp.h>
#include <openssl/pem.h>
#include "readpass.h"
#ifdef SMARTCARD
+#include <sectok.h>
+#include <openssl/engine.h>
#include "scard.h"
#endif
int convert_from_ssh2 = 0;
int print_public = 0;
-char *key_type_name = NULL;
+/* default to RSA for SSH-1 */
+char *key_type_name = "rsa1";
/* argv0 */
#ifdef HAVE___PROGNAME
char buf[1024];
char *name = NULL;
- if (key_type_name == NULL)
+ switch (key_type_from_name(key_type_name)) {
+ case KEY_RSA1:
+ name = _PATH_SSH_CLIENT_IDENTITY;
+ break;
+ case KEY_DSA:
+ name = _PATH_SSH_CLIENT_ID_DSA;
+ break;
+ case KEY_RSA:
name = _PATH_SSH_CLIENT_ID_RSA;
- else
- switch (key_type_from_name(key_type_name)) {
- case KEY_RSA1:
- name = _PATH_SSH_CLIENT_IDENTITY;
- break;
- case KEY_DSA:
- name = _PATH_SSH_CLIENT_ID_DSA;
- break;
- case KEY_RSA:
- name = _PATH_SSH_CLIENT_ID_RSA;
- break;
- default:
- fprintf(stderr, "bad key type");
- exit(1);
- break;
- }
-
+ break;
+ default:
+ fprintf(stderr, "bad key type");
+ exit(1);
+ break;
+ }
snprintf(identity_file, sizeof(identity_file), "%s/%s", pw->pw_dir, name);
fprintf(stderr, "%s (%s): ", prompt, identity_file);
fflush(stderr);
}
#define SSH_COM_PUBLIC_BEGIN "---- BEGIN SSH2 PUBLIC KEY ----"
-#define SSH_COM_PUBLIC_END "---- END SSH2 PUBLIC KEY ----"
+#define SSH_COM_PUBLIC_END "---- END SSH2 PUBLIC KEY ----"
#define SSH_COM_PRIVATE_BEGIN "---- BEGIN SSH2 ENCRYPTED PRIVATE KEY ----"
#define SSH_COM_PRIVATE_KEY_MAGIC 0x3f6ff9eb
do_convert_to_ssh2(struct passwd *pw)
{
Key *k;
- u_int len;
+ int len;
u_char *blob;
struct stat st;
}
fprintf(stdout, "%s\n", SSH_COM_PUBLIC_BEGIN);
fprintf(stdout,
- "Comment: \"%u-bit %s, converted from OpenSSH by %s@%s\"\n",
+ "Comment: \"%d-bit %s, converted from OpenSSH by %s@%s\"\n",
key_size(k), key_type(k),
pw->pw_name, hostname);
dump_base64(stdout, blob, len);
if (buffer_len(b) < bytes)
fatal("buffer_get_bignum_bits: input buffer too small: "
"need %d have %d", bytes, buffer_len(b));
- BN_bin2bn(buffer_ptr(b), bytes, value);
+ BN_bin2bn((u_char *)buffer_ptr(b), bytes, value);
buffer_consume(b, bytes);
}
static Key *
-do_convert_private_ssh2_from_blob(u_char *blob, u_int blen)
+do_convert_private_ssh2_from_blob(u_char *blob, int blen)
{
Buffer b;
Key *key = NULL;
break;
}
rlen = buffer_len(&b);
- if (rlen != 0)
+ if(rlen != 0)
error("do_convert_private_ssh2_from_blob: "
"remaining bytes in key blob %d", rlen);
buffer_free(&b);
{
Key *k;
int blen;
- u_int len;
char line[1024], *p;
u_char blob[8096];
char encoded[8096];
*p = '\0';
strlcat(encoded, line, sizeof(encoded));
}
- len = strlen(encoded);
- if (((len % 4) == 3) &&
- (encoded[len-1] == '=') &&
- (encoded[len-2] == '=') &&
- (encoded[len-3] == '='))
- encoded[len-3] = '\0';
- blen = uudecode(encoded, blob, sizeof(blob));
+ blen = uudecode(encoded, (u_char *)blob, sizeof(blob));
if (blen < 0) {
fprintf(stderr, "uudecode failed.\n");
exit(1);
exit(1);
}
key_free(k);
- if (!private)
- fprintf(stdout, "\n");
+ fprintf(stdout, "\n");
fclose(fp);
exit(0);
}
}
#ifdef SMARTCARD
+#define NUM_RSA_KEY_ELEMENTS 5+1
+#define COPY_RSA_KEY(x, i) \
+ do { \
+ len = BN_num_bytes(prv->rsa->x); \
+ elements[i] = xmalloc(len); \
+ debug("#bytes %d", len); \
+ if (BN_bn2bin(prv->rsa->x, elements[i]) < 0) \
+ goto done; \
+ } while(0)
+
+static int
+get_AUT0(char *aut0)
+{
+ EVP_MD *evp_md = EVP_sha1();
+ EVP_MD_CTX md;
+ char *pass;
+
+ pass = read_passphrase("Enter passphrase for smartcard: ", RP_ALLOW_STDIN);
+ if (pass == NULL)
+ return -1;
+ EVP_DigestInit(&md, evp_md);
+ EVP_DigestUpdate(&md, pass, strlen(pass));
+ EVP_DigestFinal(&md, aut0, NULL);
+ memset(pass, 0, strlen(pass));
+ xfree(pass);
+ return 0;
+}
+
static void
do_upload(struct passwd *pw, const char *sc_reader_id)
{
Key *prv = NULL;
struct stat st;
- int ret;
-
+ u_char *elements[NUM_RSA_KEY_ELEMENTS];
+ u_char key_fid[2];
+ u_char DEFAUT0[] = {0xad, 0x9f, 0x61, 0xfe, 0xfa, 0x20, 0xce, 0x63};
+ u_char AUT0[EVP_MAX_MD_SIZE];
+ int len, status = 1, i, fd = -1, ret;
+ int sw = 0, cla = 0x00;
+
+ for (i = 0; i < NUM_RSA_KEY_ELEMENTS; i++)
+ elements[i] = NULL;
if (!have_identity)
ask_filename(pw, "Enter file in which the key is");
if (stat(identity_file, &st) < 0) {
perror(identity_file);
- exit(1);
+ goto done;
}
prv = load_identity(identity_file);
if (prv == NULL) {
error("load failed");
- exit(1);
+ goto done;
}
- ret = sc_put_key(prv, sc_reader_id);
- key_free(prv);
- if (ret < 0)
- exit(1);
+ COPY_RSA_KEY(q, 0);
+ COPY_RSA_KEY(p, 1);
+ COPY_RSA_KEY(iqmp, 2);
+ COPY_RSA_KEY(dmq1, 3);
+ COPY_RSA_KEY(dmp1, 4);
+ COPY_RSA_KEY(n, 5);
+ len = BN_num_bytes(prv->rsa->n);
+ fd = sectok_friendly_open(sc_reader_id, STONOWAIT, &sw);
+ if (fd < 0) {
+ error("sectok_open failed: %s", sectok_get_sw(sw));
+ goto done;
+ }
+ if (! sectok_cardpresent(fd)) {
+ error("smartcard in reader %s not present",
+ sc_reader_id);
+ goto done;
+ }
+ ret = sectok_reset(fd, 0, NULL, &sw);
+ if (ret <= 0) {
+ error("sectok_reset failed: %s", sectok_get_sw(sw));
+ goto done;
+ }
+ if ((cla = cyberflex_inq_class(fd)) < 0) {
+ error("cyberflex_inq_class failed");
+ goto done;
+ }
+ memcpy(AUT0, DEFAUT0, sizeof(DEFAUT0));
+ if (cyberflex_verify_AUT0(fd, cla, AUT0, sizeof(DEFAUT0)) < 0) {
+ if (get_AUT0(AUT0) < 0 ||
+ cyberflex_verify_AUT0(fd, cla, AUT0, sizeof(DEFAUT0)) < 0) {
+ error("cyberflex_verify_AUT0 failed");
+ goto done;
+ }
+ }
+ key_fid[0] = 0x00;
+ key_fid[1] = 0x12;
+ if (cyberflex_load_rsa_priv(fd, cla, key_fid, 5, 8*len, elements,
+ &sw) < 0) {
+ error("cyberflex_load_rsa_priv failed: %s", sectok_get_sw(sw));
+ goto done;
+ }
+ if (!sectok_swOK(sw))
+ goto done;
+ log("cyberflex_load_rsa_priv done");
+ key_fid[0] = 0x73;
+ key_fid[1] = 0x68;
+ if (cyberflex_load_rsa_pub(fd, cla, key_fid, len, elements[5],
+ &sw) < 0) {
+ error("cyberflex_load_rsa_pub failed: %s", sectok_get_sw(sw));
+ goto done;
+ }
+ if (!sectok_swOK(sw))
+ goto done;
+ log("cyberflex_load_rsa_pub done");
+ status = 0;
log("loading key done");
- exit(0);
+done:
+
+ memset(elements[0], '\0', BN_num_bytes(prv->rsa->q));
+ memset(elements[1], '\0', BN_num_bytes(prv->rsa->p));
+ memset(elements[2], '\0', BN_num_bytes(prv->rsa->iqmp));
+ memset(elements[3], '\0', BN_num_bytes(prv->rsa->dmq1));
+ memset(elements[4], '\0', BN_num_bytes(prv->rsa->dmp1));
+ memset(elements[5], '\0', BN_num_bytes(prv->rsa->n));
+
+ if (prv)
+ key_free(prv);
+ for (i = 0; i < NUM_RSA_KEY_ELEMENTS; i++)
+ if (elements[i])
+ xfree(elements[i]);
+ if (fd != -1)
+ sectok_close(fd);
+ exit(status);
}
static void
do_download(struct passwd *pw, const char *sc_reader_id)
{
- Key **keys = NULL;
- int i;
+ Key *pub = NULL;
- keys = sc_get_keys(sc_reader_id, NULL);
- if (keys == NULL)
+ pub = sc_get_key(sc_reader_id);
+ if (pub == NULL)
fatal("cannot read public key from smartcard");
- for (i = 0; keys[i]; i++) {
- key_write(keys[i], stdout);
- key_free(keys[i]);
- fprintf(stdout, "\n");
- }
- xfree(keys);
+ key_write(pub, stdout);
+ key_free(pub);
+ fprintf(stdout, "\n");
exit(0);
}
#endif /* SMARTCARD */
FILE *f;
Key *public;
char *comment = NULL, *cp, *ep, line[16*1024], *fp;
- int i, skip = 0, num = 1, invalid = 1;
- enum fp_rep rep;
- enum fp_type fptype;
+ int i, skip = 0, num = 1, invalid = 1, rep, fptype;
struct stat st;
fptype = print_bubblebabble ? SSH_FP_SHA1 : SSH_FP_MD5;
public = key_load_public(identity_file, &comment);
if (public != NULL) {
fp = key_fingerprint(public, fptype, rep);
- printf("%u %s %s\n", key_size(public), fp, comment);
+ printf("%d %s %s\n", key_size(public), fp, comment);
key_free(public);
xfree(comment);
xfree(fp);
if (i == 0 || ep == NULL || (*ep != ' ' && *ep != '\t')) {
int quoted = 0;
comment = cp;
- for (; *cp && (quoted || (*cp != ' ' &&
- *cp != '\t')); cp++) {
+ for (; *cp && (quoted || (*cp != ' ' && *cp != '\t')); cp++) {
if (*cp == '\\' && cp[1] == '"')
cp++; /* Skip both */
else if (*cp == '"')
}
comment = *cp ? cp : comment;
fp = key_fingerprint(public, fptype, rep);
- printf("%u %s %s\n", key_size(public), fp,
+ printf("%d %s %s\n", key_size(public), fp,
comment ? comment : "no comment");
xfree(fp);
key_free(public);
read_passphrase("Enter new passphrase (empty for no "
"passphrase): ", RP_ALLOW_STDIN);
passphrase2 = read_passphrase("Enter same passphrase again: ",
- RP_ALLOW_STDIN);
+ RP_ALLOW_STDIN);
/* Verify that they are the same. */
if (strcmp(passphrase1, passphrase2) != 0) {
fprintf(stderr, "Comments are only supported for RSA1 keys.\n");
key_free(private);
exit(1);
- }
+ }
printf("Key now has comment '%s'\n", comment);
if (identity_comment) {
int
main(int ac, char **av)
{
- char dotsshdir[MAXPATHLEN], comment[1024], *passphrase1, *passphrase2;
+ char dotsshdir[16 * 1024], comment[1024], *passphrase1, *passphrase2;
char *reader_id = NULL;
Key *private, *public;
struct passwd *pw;
extern char *optarg;
__progname = get_progname(av[0]);
+ init_rng();
+ seed_rng();
SSLeay_add_all_algorithms();
do_fingerprint(pw);
if (change_passphrase)
do_change_passphrase(pw);
- if (convert_to_ssh2)
- do_convert_to_ssh2(pw);
if (change_comment)
do_change_comment(pw);
+ if (convert_to_ssh2)
+ do_convert_to_ssh2(pw);
+ if (convert_from_ssh2)
+ do_convert_from_ssh2(pw);
if (print_public)
do_print_public(pw);
if (reader_id != NULL) {
#endif /* SMARTCARD */
}
- init_rng();
- seed_rng();
arc4random_stir();
- if (convert_from_ssh2)
- do_convert_from_ssh2(pw);
-
- if (key_type_name == NULL) {
- printf("You must specify a key type (-t).\n");
- usage();
- }
type = key_type_from_name(key_type_name);
if (type == KEY_UNSPEC) {
fprintf(stderr, "unknown key type %s\n", key_type_name);