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pki: Separate signature extraction and verification

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Initial solution proposed by Tilo Eckert <tilo.eckert@flam.de>

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Jakub Jelen
2018-11-22 10:43:18 +01:00
committed by Andreas Schneider
parent 7f83a1efae
commit d2434c69c0
4 changed files with 34 additions and 28 deletions
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18
src/pki.c
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@@ -1919,20 +1919,14 @@ int ssh_pki_import_signature_blob(const ssh_string sig_blob,
return SSH_OK;
}
int ssh_pki_signature_verify_blob(ssh_session session,
ssh_string sig_blob,
const ssh_key key,
unsigned char *digest,
size_t dlen)
int ssh_pki_signature_verify(ssh_session session,
ssh_signature sig,
const ssh_key key,
unsigned char *digest,
size_t dlen)
{
ssh_signature sig;
int rc;
rc = ssh_pki_import_signature_blob(sig_blob, key, &sig);
if (rc < 0) {
return SSH_ERROR;
}
SSH_LOG(SSH_LOG_FUNCTIONS,
"Going to verify a %s type signature",
sig->type_c);
@@ -2000,8 +1994,6 @@ int ssh_pki_signature_verify_blob(ssh_session session,
hlen);
}
ssh_signature_free(sig);
return rc;
}