Added functions lasso_build_random_sequence() and lasso_str_hash()

2 files changed, 27 insertions, 1 deletions

diff --git a/lasso/xml/tools.c b/lasso/xml/tools.c
index b61cf037..f060a085 100644
--- a/lasso/xml/tools.c
+++ b/lasso/xml/tools.c
@@ -357,6 +357,28 @@ lasso_str_escape(xmlChar *str)
   return (xmlURIEscapeStr((const xmlChar *)str, NULL));
 }
 
+xmlChar *
+lasso_str_hash(xmlChar    *str,
+	       const char *private_key_file)
+{
+  xmlDocPtr doc;
+  xmlChar *b64_digest, *digest = g_new0(xmlChar, 21);
+  gint i;
+
+  doc = lasso_str_sign(str,
+		       lassoSignatureMethodRsaSha1,
+		       private_key_file);
+  b64_digest = xmlNodeGetContent(xmlSecFindNode(xmlDocGetRootElement(doc),
+						xmlSecNodeDigestValue,
+						xmlSecDSigNs));
+  i = xmlSecBase64Decode(b64_digest, digest, 21);
+  //printf("Decoded string %s lenght is %d\n", digest, i);
+  xmlFree(b64_digest);
+  xmlFreeDoc(doc);
+  /* value returned must be xmlFree() */
+  return (digest);
+}
+
 /**
  * lasso_str_sign:
  * @str: 
diff --git a/lasso/xml/tools.h b/lasso/xml/tools.h
index 4a70e23b..f1a9bc82 100644
--- a/lasso/xml/tools.h
+++ b/lasso/xml/tools.h
@@ -41,7 +41,8 @@ extern "C" {
 
 typedef enum {
   lassoSignatureMethodRsaSha1 = 1,
-  lassoSignatureMethodDsaSha1
+  lassoSignatureMethodDsaSha1,
+  lassoSignatureMethodSha1
 } lassoSignatureMethod;
 
 LASSO_EXPORT xmlChar*   lasso_build_random_sequence  (guint8 size);
@@ -67,6 +68,9 @@ LASSO_EXPORT int        lasso_query_verify_signature (const gchar   *query,
 
 LASSO_EXPORT xmlChar*   lasso_str_escape             (xmlChar *str);
 
+LASSO_EXPORT xmlChar*   lasso_str_hash               (xmlChar    *str,
+						      const char *private_key_file);
+
 LASSO_EXPORT xmlDocPtr  lasso_str_sign               (xmlChar              *str,
 						      lassoSignatureMethod  sign_method,
 						      const char           *private_key_file);