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pki: Allow reading keys in new OpenSSH format

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This implements reading the OpenSSH key format accross the
cryptographic backends. Most of the code is shared and moved
to pki.c, just the building of the keys is implemented in
pki_privkey_build_*() functions.

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
(cherry picked from commit 39102224b2)
This commit is contained in:
Jakub Jelen
2018-09-06 17:53:19 +02:00
committed by Andreas Schneider
parent 61dcc023b0
commit 91d8f1a256
7 changed files with 578 additions and 52 deletions
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26
include/libssh/pki_priv.h
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@@ -72,6 +72,9 @@ ssh_string pki_private_key_to_pem(const ssh_key key,
const char *passphrase,
ssh_auth_callback auth_fn,
void *auth_data);
int pki_import_privkey_buffer(enum ssh_keytypes_e type,
ssh_buffer buffer,
ssh_key *pkey);
/* SSH Public Key Functions */
int pki_pubkey_build_dss(ssh_key key,
@@ -85,6 +88,26 @@ int pki_pubkey_build_rsa(ssh_key key,
int pki_pubkey_build_ecdsa(ssh_key key, int nid, ssh_string e);
ssh_string pki_publickey_to_blob(const ssh_key key);
/* SSH Private Key Functions */
int pki_privkey_build_dss(ssh_key key,
ssh_string p,
ssh_string q,
ssh_string g,
ssh_string pubkey,
ssh_string privkey);
int pki_privkey_build_rsa(ssh_key key,
ssh_string n,
ssh_string e,
ssh_string d,
ssh_string iqmp,
ssh_string p,
ssh_string q);
int pki_privkey_build_ecdsa(ssh_key key,
int nid,
ssh_string e,
ssh_string exp);
ssh_string pki_publickey_to_blob(const ssh_key key);
/* SSH Signature Functions */
ssh_string pki_signature_to_blob(const ssh_signature sign);
ssh_signature pki_signature_from_blob(const ssh_key pubkey,
@@ -121,6 +144,9 @@ int pki_ed25519_key_dup(ssh_key new, const ssh_key key);
int pki_ed25519_public_key_to_blob(ssh_buffer buffer, ssh_key key);
ssh_string pki_ed25519_sig_to_blob(ssh_signature sig);
int pki_ed25519_sig_from_blob(ssh_signature sig, ssh_string sig_blob);
int pki_privkey_build_ed25519(ssh_key key,
ssh_string pubkey,
ssh_string privkey);
/* PKI Container OpenSSH */
ssh_key ssh_pki_openssh_privkey_import(const char *text_key,