Deprecate the ECDSA and EV_KEY_METHOD functions.

Use of the low level ECDSA and EC_KEY_METHOD functions has been informally discouraged for a
long time. We now formally deprecate them.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10960)

4 files changed, 21 insertions, 6 deletions

diff --git a/test/build.info b/test/build.info
index 7ae7e8f6a7..680660a3bb 100644
--- a/test/build.info
+++ b/test/build.info
@@ -32,7 +32,7 @@ IF[{- !$disabled{tests} -}]
           versions \
           aborttest test_test \
           sanitytest rsa_complex exdatatest bntest \
-          ectest ecstresstest ecdsatest gmdifftest pbelutest \
+          ectest ecstresstest gmdifftest pbelutest \
           destest mdc2test \
           dhtest enginetest \
           ssltest_old dsatest dsa_no_digest_size_test exptest rsa_test \
@@ -97,10 +97,6 @@ IF[{- !$disabled{tests} -}]
   INCLUDE[ecstresstest]=../include ../apps/include
   DEPEND[ecstresstest]=../libcrypto libtestutil.a
 
-  SOURCE[ecdsatest]=ecdsatest.c
-  INCLUDE[ecdsatest]=../include ../apps/include
-  DEPEND[ecdsatest]=../libcrypto libtestutil.a
-
   SOURCE[gmdifftest]=gmdifftest.c
   INCLUDE[gmdifftest]=../include ../apps/include
   DEPEND[gmdifftest]=../libcrypto libtestutil.a
@@ -493,7 +489,7 @@ IF[{- !$disabled{tests} -}]
     PROGRAMS{noinst}=asn1_internal_test modes_internal_test x509_internal_test \
                      tls13encryptiontest wpackettest ctype_internal_test \
                      rdrand_sanitytest property_test ideatest \
-                     rsa_sp800_56b_test bn_internal_test \
+                     rsa_sp800_56b_test bn_internal_test ecdsatest \
                      rc2test rc4test rc5test hmactest \
                      asn1_dsa_internal_test
 
@@ -536,6 +532,10 @@ IF[{- !$disabled{tests} -}]
     INCLUDE[x509_internal_test]=.. ../include ../apps/include
     DEPEND[x509_internal_test]=../libcrypto.a libtestutil.a
 
+    SOURCE[ecdsatest]=ecdsatest.c
+    INCLUDE[ecdsatest]=../include ../apps/include
+    DEPEND[ecdsatest]=../libcrypto.a libtestutil.a
+
     SOURCE[tls13encryptiontest]=tls13encryptiontest.c
     INCLUDE[tls13encryptiontest]=.. ../include ../apps/include
     DEPEND[tls13encryptiontest]=../libcrypto ../libssl.a libtestutil.a
diff --git a/test/ec_internal_test.c b/test/ec_internal_test.c
index 4b849312be..a4fb1ea4b2 100644
--- a/test/ec_internal_test.c
+++ b/test/ec_internal_test.c
@@ -7,6 +7,11 @@
  * https://www.openssl.org/source/license.html
  */
 
+/*
+ * Low level APIs are deprecated for public use, but still ok for internal use.
+ */
+#include "internal/deprecated.h"
+
 #include "internal/nelem.h"
 #include "testutil.h"
 #include <openssl/ec.h>
diff --git a/test/ecdsatest.c b/test/ecdsatest.c
index f99817898f..a87715a990 100644
--- a/test/ecdsatest.c
+++ b/test/ecdsatest.c
@@ -8,6 +8,11 @@
  * https://www.openssl.org/source/license.html
  */
 
+/*
+ * Low level APIs are deprecated for public use, but still ok for internal use.
+ */
+#include "internal/deprecated.h"
+
 #include <openssl/opensslconf.h> /* To see if OPENSSL_NO_EC is defined */
 #include "testutil.h"
 
diff --git a/test/sm2_internal_test.c b/test/sm2_internal_test.c
index 0c626526b1..9188ef7011 100644
--- a/test/sm2_internal_test.c
+++ b/test/sm2_internal_test.c
@@ -7,6 +7,11 @@
  * https://www.openssl.org/source/license.html
  */
 
+/*
+ * Low level APIs are deprecated for public use, but still ok for internal use.
+ */
+#include "internal/deprecated.h"
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>