| version 1.99, 2015/09/02 07:51:12 |
version 1.100, 2015/12/04 16:41:28 |
|
|
| } |
} |
| #endif |
#endif |
| |
|
| |
/* encode signature algoritm in flag bits, so we can keep the msg format */ |
| |
static u_int |
| |
agent_encode_alg(struct sshkey *key, const char *alg) |
| |
{ |
| |
if (alg != NULL && key->type == KEY_RSA) { |
| |
if (strcmp(alg, "rsa-sha2-256") == 0) |
| |
return SSH_AGENT_RSA_SHA2_256; |
| |
else if (strcmp(alg, "rsa-sha2-512") == 0) |
| |
return SSH_AGENT_RSA_SHA2_512; |
| |
} |
| |
return 0; |
| |
} |
| |
|
| /* ask agent to sign data, returns err.h code on error, 0 on success */ |
/* ask agent to sign data, returns err.h code on error, 0 on success */ |
| int |
int |
| ssh_agent_sign(int sock, struct sshkey *key, |
ssh_agent_sign(int sock, struct sshkey *key, |
| u_char **sigp, size_t *lenp, |
u_char **sigp, size_t *lenp, |
| const u_char *data, size_t datalen, u_int compat) |
const u_char *data, size_t datalen, const char *alg, u_int compat) |
| { |
{ |
| struct sshbuf *msg; |
struct sshbuf *msg; |
| u_char *blob = NULL, type; |
u_char *blob = NULL, type; |
|
|
| return SSH_ERR_ALLOC_FAIL; |
return SSH_ERR_ALLOC_FAIL; |
| if ((r = sshkey_to_blob(key, &blob, &blen)) != 0) |
if ((r = sshkey_to_blob(key, &blob, &blen)) != 0) |
| goto out; |
goto out; |
| |
flags |= agent_encode_alg(key, alg); |
| if ((r = sshbuf_put_u8(msg, SSH2_AGENTC_SIGN_REQUEST)) != 0 || |
if ((r = sshbuf_put_u8(msg, SSH2_AGENTC_SIGN_REQUEST)) != 0 || |
| (r = sshbuf_put_string(msg, blob, blen)) != 0 || |
(r = sshbuf_put_string(msg, blob, blen)) != 0 || |
| (r = sshbuf_put_string(msg, data, datalen)) != 0 || |
(r = sshbuf_put_string(msg, data, datalen)) != 0 || |
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