diff options
| author | djm@openbsd.org <djm@openbsd.org> | 2022-10-28 00:39:29 +0000 |
|---|---|---|
| committer | Damien Miller <djm@mindrot.org> | 2022-10-28 12:46:58 +1100 |
| commit | 262647c2e920492ca57f1b9320d74f4a0f6e482b (patch) | |
| tree | 1ce89f627b8230d5ce9611ebe698e5b3f4338fa1 /ssh-dss.c | |
| parent | 401c74e7dc15eab60540653d2f94d9306a927bab (diff) | |
| download | openssh-git-262647c2e920492ca57f1b9320d74f4a0f6e482b.tar.gz | |
upstream: factor out key generation
feedback/ok markus@
OpenBSD-Commit-ID: 5b4211bff4de8d9adb84bc72857a8c42c44e7ceb
Diffstat (limited to 'ssh-dss.c')
| -rw-r--r-- | ssh-dss.c | 21 |
1 files changed, 20 insertions, 1 deletions
@@ -1,4 +1,4 @@ -/* $OpenBSD: ssh-dss.c,v 1.42 2022/10/28 00:37:24 djm Exp $ */ +/* $OpenBSD: ssh-dss.c,v 1.43 2022/10/28 00:39:29 djm Exp $ */ /* * Copyright (c) 2000 Markus Friedl. All rights reserved. * @@ -126,6 +126,24 @@ ssh_dss_serialize_public(const struct sshkey *key, struct sshbuf *b, return 0; } +static int +ssh_dss_generate(struct sshkey *k, int bits) +{ + DSA *private; + + if (bits != 1024) + return SSH_ERR_KEY_LENGTH; + if ((private = DSA_new()) == NULL) + return SSH_ERR_ALLOC_FAIL; + if (!DSA_generate_parameters_ex(private, bits, NULL, 0, NULL, + NULL, NULL) || !DSA_generate_key(private)) { + DSA_free(private); + return SSH_ERR_LIBCRYPTO_ERROR; + } + k->dsa = private; + return 0; +} + int ssh_dss_sign(const struct sshkey *key, u_char **sigp, size_t *lenp, const u_char *data, size_t datalen, u_int compat) @@ -289,6 +307,7 @@ static const struct sshkey_impl_funcs sshkey_dss_funcs = { /* .cleanup = */ ssh_dss_cleanup, /* .equal = */ ssh_dss_equal, /* .ssh_serialize_public = */ ssh_dss_serialize_public, + /* .generate = */ ssh_dss_generate, }; const struct sshkey_impl sshkey_dss_impl = { |