Convert openssl(1) dsaparam to opaque dsa
authortb <tb@openbsd.org>
Fri, 14 Jan 2022 09:24:20 +0000 (09:24 +0000)
committertb <tb@openbsd.org>
Fri, 14 Jan 2022 09:24:20 +0000 (09:24 +0000)
ok inoguchi jsing

usr.bin/openssl/dsaparam.c

index 3a907fe..33bde03 100644 (file)
@@ -1,4 +1,4 @@
-/* $OpenBSD: dsaparam.c,v 1.12 2021/11/20 18:10:48 tb Exp $ */
+/* $OpenBSD: dsaparam.c,v 1.13 2022/01/14 09:24:20 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -259,14 +259,14 @@ dsaparam_main(int argc, char **argv)
                unsigned char *data;
                int l, len, bits_p;
 
-               len = BN_num_bytes(dsa->p);
-               bits_p = BN_num_bits(dsa->p);
+               len = BN_num_bytes(DSA_get0_p(dsa));
+               bits_p = BN_num_bits(DSA_get0_p(dsa));
                data = malloc(len + 20);
                if (data == NULL) {
                        perror("malloc");
                        goto end;
                }
-               l = BN_bn2bin(dsa->p, data);
+               l = BN_bn2bin(DSA_get0_p(dsa), data);
                printf("static unsigned char dsa%d_p[] = {", bits_p);
                for (i = 0; i < l; i++) {
                        if ((i % 12) == 0)
@@ -275,7 +275,7 @@ dsaparam_main(int argc, char **argv)
                }
                printf("\n\t};\n");
 
-               l = BN_bn2bin(dsa->q, data);
+               l = BN_bn2bin(DSA_get0_q(dsa), data);
                printf("static unsigned char dsa%d_q[] = {", bits_p);
                for (i = 0; i < l; i++) {
                        if ((i % 12) == 0)
@@ -284,7 +284,7 @@ dsaparam_main(int argc, char **argv)
                }
                printf("\n\t};\n");
 
-               l = BN_bn2bin(dsa->g, data);
+               l = BN_bn2bin(DSA_get0_g(dsa), data);
                printf("static unsigned char dsa%d_g[] = {", bits_p);
                for (i = 0; i < l; i++) {
                        if ((i % 12) == 0)
@@ -295,16 +295,18 @@ dsaparam_main(int argc, char **argv)
                printf("\n\t};\n\n");
 
                printf("DSA *get_dsa%d()\n\t{\n", bits_p);
+               printf("\tBIGNUM *p = NULL, *q = NULL, *g = NULL;\n");
                printf("\tDSA *dsa;\n\n");
                printf("\tif ((dsa = DSA_new()) == NULL) return(NULL);\n");
-               printf("\tdsa->p = BN_bin2bn(dsa%d_p, sizeof(dsa%d_p), NULL);\n",
+               printf("\tp = BN_bin2bn(dsa%d_p, sizeof(dsa%d_p), NULL);\n",
                    bits_p, bits_p);
-               printf("\tdsa->q = BN_bin2bn(dsa%d_q, sizeof(dsa%d_q), NULL);\n",
+               printf("\tq = BN_bin2bn(dsa%d_q, sizeof(dsa%d_q), NULL);\n",
                    bits_p, bits_p);
-               printf("\tdsa->g = BN_bin2bn(dsa%d_g, sizeof(dsa%d_g), NULL);\n",
+               printf("\tg = BN_bin2bn(dsa%d_g, sizeof(dsa%d_g), NULL);\n",
                    bits_p, bits_p);
-               printf("\tif ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))\n");
-               printf("\t\t{ DSA_free(dsa); return(NULL); }\n");
+               printf("\tif (p == NULL || q == NULL || g == NULL)\n");
+               printf("\t\t{ BN_free(p); BN_free(q); BN_free(g); DSA_free(dsa); return(NULL); }\n");
+               printf("\tDSA_set0_pqg(dsa, p, q, g);\n");
                printf("\treturn(dsa);\n\t}\n");
        }
        if (!dsaparam_config.noout) {