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-rw-r--r--agent/pksign.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/agent/pksign.c b/agent/pksign.c
index 243c49df9..e079c3f60 100644
--- a/agent/pksign.c
+++ b/agent/pksign.c
@@ -291,6 +291,7 @@ agent_pksign_do (ctrl_t ctrl, const char *cache_nonce,
{
gcry_sexp_t s_skey = NULL, s_sig = NULL;
gcry_sexp_t s_hash = NULL;
+ gcry_sexp_t s_pkey = NULL;
unsigned char *shadow_info = NULL;
unsigned int rc = 0; /* FIXME: gpg-error? */
const unsigned char *data;
@@ -331,6 +332,13 @@ agent_pksign_do (ctrl_t ctrl, const char *cache_nonce,
int is_ECDSA = 0;
int is_EdDSA = 0;
+ rc = agent_public_key_from_file (ctrl, ctrl->keygrip, &s_pkey);
+ if (rc)
+ {
+ log_error ("failed to read the public key\n");
+ goto leave;
+ }
+
if (agent_is_eddsa_key (s_skey))
is_EdDSA = 1;
else
@@ -497,7 +505,7 @@ agent_pksign_do (ctrl_t ctrl, const char *cache_nonce,
ctrl->digest.raw_value);
}
- rc = gcry_pk_verify (s_sig, s_hash, s_skey);
+ rc = gcry_pk_verify (s_sig, s_hash, s_pkey? s_pkey: s_skey);
if (rc)
{
@@ -512,6 +520,7 @@ agent_pksign_do (ctrl_t ctrl, const char *cache_nonce,
*signature_sexp = s_sig;
+ gcry_sexp_release (s_pkey);
gcry_sexp_release (s_skey);
gcry_sexp_release (s_hash);
xfree (shadow_info);