3 files changed, 14 insertions, 14 deletions
diff --git a/crypto/x509/x509_ext.c b/crypto/x509/x509_ext.c
index f04a63d233..9e6fa6b5a5 100644
--- a/crypto/x509/x509_ext.c
+++ b/crypto/x509/x509_ext.c
@@ -17,22 +17,22 @@
 #include "internal/x509_int.h"
 #include <openssl/x509v3.h>
 
-int X509_CRL_get_ext_count(X509_CRL *x)
+int X509_CRL_get_ext_count(const X509_CRL *x)
 {
     return (X509v3_get_ext_count(x->crl.extensions));
 }
 
-int X509_CRL_get_ext_by_NID(X509_CRL *x, int nid, int lastpos)
+int X509_CRL_get_ext_by_NID(const X509_CRL *x, int nid, int lastpos)
 {
     return (X509v3_get_ext_by_NID(x->crl.extensions, nid, lastpos));
 }
 
-int X509_CRL_get_ext_by_OBJ(X509_CRL *x, ASN1_OBJECT *obj, int lastpos)
+int X509_CRL_get_ext_by_OBJ(const X509_CRL *x, ASN1_OBJECT *obj, int lastpos)
 {
     return (X509v3_get_ext_by_OBJ(x->crl.extensions, obj, lastpos));
 }
 
-int X509_CRL_get_ext_by_critical(X509_CRL *x, int crit, int lastpos)
+int X509_CRL_get_ext_by_critical(const X509_CRL *x, int crit, int lastpos)
 {
     return (X509v3_get_ext_by_critical(x->crl.extensions, crit, lastpos));
 }
@@ -63,22 +63,22 @@ int X509_CRL_add_ext(X509_CRL *x, X509_EXTENSION *ex, int loc)
     return (X509v3_add_ext(&(x->crl.extensions), ex, loc) != NULL);
 }
 
-int X509_get_ext_count(X509 *x)
+int X509_get_ext_count(const X509 *x)
 {
     return (X509v3_get_ext_count(x->cert_info.extensions));
 }
 
-int X509_get_ext_by_NID(X509 *x, int nid, int lastpos)
+int X509_get_ext_by_NID(const X509 *x, int nid, int lastpos)
 {
     return (X509v3_get_ext_by_NID(x->cert_info.extensions, nid, lastpos));
 }
 
-int X509_get_ext_by_OBJ(X509 *x, ASN1_OBJECT *obj, int lastpos)
+int X509_get_ext_by_OBJ(const X509 *x, ASN1_OBJECT *obj, int lastpos)
 {
     return (X509v3_get_ext_by_OBJ(x->cert_info.extensions, obj, lastpos));
 }
 
-int X509_get_ext_by_critical(X509 *x, int crit, int lastpos)
+int X509_get_ext_by_critical(const X509 *x, int crit, int lastpos)
 {
     return (X509v3_get_ext_by_critical
             (x->cert_info.extensions, crit, lastpos));
@@ -111,23 +111,23 @@ int X509_add1_ext_i2d(X509 *x, int nid, void *value, int crit,
                            flags);
 }
 
-int X509_REVOKED_get_ext_count(X509_REVOKED *x)
+int X509_REVOKED_get_ext_count(const X509_REVOKED *x)
 {
     return (X509v3_get_ext_count(x->extensions));
 }
 
-int X509_REVOKED_get_ext_by_NID(X509_REVOKED *x, int nid, int lastpos)
+int X509_REVOKED_get_ext_by_NID(const X509_REVOKED *x, int nid, int lastpos)
 {
     return (X509v3_get_ext_by_NID(x->extensions, nid, lastpos));
 }
 
-int X509_REVOKED_get_ext_by_OBJ(X509_REVOKED *x, ASN1_OBJECT *obj,
+int X509_REVOKED_get_ext_by_OBJ(const X509_REVOKED *x, ASN1_OBJECT *obj,
                                 int lastpos)
 {
     return (X509v3_get_ext_by_OBJ(x->extensions, obj, lastpos));
 }
 
-int X509_REVOKED_get_ext_by_critical(X509_REVOKED *x, int crit, int lastpos)
+int X509_REVOKED_get_ext_by_critical(const X509_REVOKED *x, int crit, int lastpos)
 {
     return (X509v3_get_ext_by_critical(x->extensions, crit, lastpos));
 }
diff --git a/crypto/x509/x509_v3.c b/crypto/x509/x509_v3.c
index ce69d19d0f..18d1b4133e 100644
--- a/crypto/x509/x509_v3.c
+++ b/crypto/x509/x509_v3.c
@@ -224,7 +224,7 @@ ASN1_OCTET_STRING *X509_EXTENSION_get_data(X509_EXTENSION *ex)
     return &ex->value;
 }
 
-int X509_EXTENSION_get_critical(X509_EXTENSION *ex)
+int X509_EXTENSION_get_critical(const X509_EXTENSION *ex)
 {
     if (ex == NULL)
         return (0);
diff --git a/crypto/x509v3/v3_purp.c b/crypto/x509v3/v3_purp.c
index 0820a2a5d3..61745380a3 100644
--- a/crypto/x509v3/v3_purp.c
+++ b/crypto/x509v3/v3_purp.c
@@ -720,7 +720,7 @@ static int check_purpose_timestamp_sign(const X509_PURPOSE *xp, const X509 *x,
         return 0;
 
     /* Extended Key Usage MUST be critical */
-    i_ext = X509_get_ext_by_NID((X509 *)x, NID_ext_key_usage, -1);
+    i_ext = X509_get_ext_by_NID(x, NID_ext_key_usage, -1);
     if (i_ext >= 0) {
         X509_EXTENSION *ext = X509_get_ext((X509 *)x, i_ext);
         if (!X509_EXTENSION_get_critical(ext))