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pki: Fix duplicating ed25519 public keys

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Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
(cherry picked from commit 816234350d)
This commit is contained in:
Andreas Schneider
2018-04-25 16:25:32 +02:00
parent 9658d36087
commit c228fa7631
1 changed files with 14 additions and 11 deletions
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25
src/pki_ed25519.c
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@@ -199,24 +199,27 @@ int pki_ed25519_key_cmp(const ssh_key k1,
*/ */
int pki_ed25519_key_dup(ssh_key new, const ssh_key key) int pki_ed25519_key_dup(ssh_key new, const ssh_key key)
{ {
if (key->ed25519_privkey == NULL || key->ed25519_pubkey == NULL) { if (key->ed25519_privkey == NULL && key->ed25519_pubkey == NULL) {
return SSH_ERROR; return SSH_ERROR;
} }
new->ed25519_privkey = malloc(ED25519_SK_LEN); if (key->ed25519_privkey != NULL) {
if (new->ed25519_privkey == NULL) { new->ed25519_privkey = malloc(ED25519_SK_LEN);
return SSH_ERROR; if (new->ed25519_privkey == NULL) {
return SSH_ERROR;
}
memcpy(new->ed25519_privkey, key->ed25519_privkey, ED25519_SK_LEN);
} }
new->ed25519_pubkey = malloc(ED25519_PK_LEN); if (key->ed25519_pubkey != NULL) {
if (new->ed25519_privkey == NULL || new->ed25519_pubkey == NULL){ new->ed25519_pubkey = malloc(ED25519_PK_LEN);
SAFE_FREE(new->ed25519_privkey); if (new->ed25519_pubkey == NULL) {
return SSH_ERROR; SAFE_FREE(new->ed25519_privkey);
return SSH_ERROR;
}
memcpy(new->ed25519_pubkey, key->ed25519_pubkey, ED25519_PK_LEN);
} }
memcpy(new->ed25519_privkey, key->ed25519_privkey, ED25519_SK_LEN);
memcpy(new->ed25519_pubkey, key->ed25519_pubkey, ED25519_PK_LEN);
return SSH_OK; return SSH_OK;
} }