X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fasn1%2Fx_algor.c;h=30c59d850f43d06cc9542798730932e16c28c58b;hp=c1cf2a5f8eca154a49fc5550298a567817ccef55;hb=349807608f31b20af01a342d0072bb92e0b036e2;hpb=9d6b1ce6441c7cc6aed344f02d9f676ab5e04217

diff --git a/crypto/asn1/x_algor.c b/crypto/asn1/x_algor.c
index c1cf2a5f8e..30c59d850f 100644
--- a/crypto/asn1/x_algor.c
+++ b/crypto/asn1/x_algor.c
@@ -1,6 +1,6 @@
-/* x_algor.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
- * project 2000.
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 2000.
  */
 /* ====================================================================
  * Copyright (c) 2000 The OpenSSL Project.  All rights reserved.
@@ -10,7 +10,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ -60,13 +60,83 @@
 #include <openssl/x509.h>
 #include <openssl/asn1.h>
 #include <openssl/asn1t.h>
+#include "internal/evp_int.h"
 
 ASN1_SEQUENCE(X509_ALGOR) = {
-	ASN1_SIMPLE(X509_ALGOR, algorithm, ASN1_OBJECT),
-	ASN1_OPT(X509_ALGOR, parameter, ASN1_ANY)
-} ASN1_SEQUENCE_END(X509_ALGOR);
+        ASN1_SIMPLE(X509_ALGOR, algorithm, ASN1_OBJECT),
+        ASN1_OPT(X509_ALGOR, parameter, ASN1_ANY)
+} ASN1_SEQUENCE_END(X509_ALGOR)
+
+ASN1_ITEM_TEMPLATE(X509_ALGORS) =
+        ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, algorithms, X509_ALGOR)
+ASN1_ITEM_TEMPLATE_END(X509_ALGORS)
 
 IMPLEMENT_ASN1_FUNCTIONS(X509_ALGOR)
+IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(X509_ALGORS, X509_ALGORS, X509_ALGORS)
+IMPLEMENT_ASN1_DUP_FUNCTION(X509_ALGOR)
+
+int X509_ALGOR_set0(X509_ALGOR *alg, ASN1_OBJECT *aobj, int ptype, void *pval)
+{
+    if (!alg)
+        return 0;
+    if (ptype != V_ASN1_UNDEF) {
+        if (alg->parameter == NULL)
+            alg->parameter = ASN1_TYPE_new();
+        if (alg->parameter == NULL)
+            return 0;
+    }
+    if (alg) {
+        ASN1_OBJECT_free(alg->algorithm);
+        alg->algorithm = aobj;
+    }
+    if (ptype == 0)
+        return 1;
+    if (ptype == V_ASN1_UNDEF) {
+        ASN1_TYPE_free(alg->parameter);
+        alg->parameter = NULL;
+    } else
+        ASN1_TYPE_set(alg->parameter, ptype, pval);
+    return 1;
+}
+
+void X509_ALGOR_get0(ASN1_OBJECT **paobj, int *pptype, void **ppval,
+                     X509_ALGOR *algor)
+{
+    if (paobj)
+        *paobj = algor->algorithm;
+    if (pptype) {
+        if (algor->parameter == NULL) {
+            *pptype = V_ASN1_UNDEF;
+            return;
+        } else
+            *pptype = algor->parameter->type;
+        if (ppval)
+            *ppval = algor->parameter->value.ptr;
+    }
+}
+
+/* Set up an X509_ALGOR DigestAlgorithmIdentifier from an EVP_MD */
+
+void X509_ALGOR_set_md(X509_ALGOR *alg, const EVP_MD *md)
+{
+    int param_type;
+
+    if (md->flags & EVP_MD_FLAG_DIGALGID_ABSENT)
+        param_type = V_ASN1_UNDEF;
+    else
+        param_type = V_ASN1_NULL;
+
+    X509_ALGOR_set0(alg, OBJ_nid2obj(EVP_MD_type(md)), param_type, NULL);
+
+}
 
-IMPLEMENT_STACK_OF(X509_ALGOR)
-IMPLEMENT_ASN1_SET_OF(X509_ALGOR)
+int X509_ALGOR_cmp(const X509_ALGOR *a, const X509_ALGOR *b)
+{
+    int rv;
+    rv = OBJ_cmp(a->algorithm, b->algorithm);
+    if (rv)
+        return rv;
+    if (!a->parameter && !b->parameter)
+        return 0;
+    return ASN1_TYPE_cmp(a->parameter, b->parameter);
+}