1 files changed, 29 insertions, 0 deletions
diff --git a/src/key.c b/src/key.c
index 0d2826e..0fa4c4b 100644
--- a/src/key.c
+++ b/src/key.c
@@ -575,3 +575,32 @@ p11t_key_export_public_rsa(CK_SESSION_HANDLE session, CK_OBJECT_HANDLE key)
 	return rsa;
 }
 
+CK_RV
+p11t_key_login_context_specific (CK_SESSION_HANDLE session, CK_OBJECT_HANDLE key)
+{
+	CK_SESSION_INFO info;
+	CK_ATTRIBUTE attr;
+	CK_BBOOL always;
+	CK_UTF8CHAR_PTR pin;
+	CK_ULONG n_pin;
+	CK_RV rv;
+
+	assert(session != CK_INVALID);
+	assert(p11t_module_funcs);
+
+	attr.type = CKA_ALWAYS_AUTHENTICATE;
+	attr.ulValueLen = sizeof (always);
+	attr.pValue = &always;
+
+	if (!p11t_object_get (session, key, &attr, 1) || !always) {
+		p11t_check_fail ("Key wants context specific login, but CKA_ALWAYS_AUTHENTICATE not set");
+		return CKR_ATTRIBUTE_VALUE_INVALID;
+	}
+
+	rv = (p11t_module_funcs->C_GetSessionInfo)(session, &info);
+	if (rv != CKR_OK)
+		return rv;
+
+	pin = p11t_session_get_pin (info.slotID, CKU_CONTEXT_SPECIFIC, &n_pin);
+	return (p11t_module_funcs->C_Login)(session, CKU_CONTEXT_SPECIFIC, pin, n_pin);
+}