openssl: Move to a module and split thirdparty lib

Same rationale as the previous commits.

1 files changed, 179 insertions, 0 deletions

diff --git a/thirdparty/openssl/crypto/ec/ec_print.c b/thirdparty/openssl/crypto/ec/ec_print.c
new file mode 100644
index 0000000000..96b294d877
--- /dev/null
+++ b/thirdparty/openssl/crypto/ec/ec_print.c
@@ -0,0 +1,179 @@
+/* crypto/ec/ec_print.c */
+/* ====================================================================
+ * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    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
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <openssl/crypto.h>
+#include "ec_lcl.h"
+
+BIGNUM *EC_POINT_point2bn(const EC_GROUP *group,
+                          const EC_POINT *point,
+                          point_conversion_form_t form,
+                          BIGNUM *ret, BN_CTX *ctx)
+{
+    size_t buf_len = 0;
+    unsigned char *buf;
+
+    buf_len = EC_POINT_point2oct(group, point, form, NULL, 0, ctx);
+    if (buf_len == 0)
+        return NULL;
+
+    if ((buf = OPENSSL_malloc(buf_len)) == NULL)
+        return NULL;
+
+    if (!EC_POINT_point2oct(group, point, form, buf, buf_len, ctx)) {
+        OPENSSL_free(buf);
+        return NULL;
+    }
+
+    ret = BN_bin2bn(buf, buf_len, ret);
+
+    OPENSSL_free(buf);
+
+    return ret;
+}
+
+EC_POINT *EC_POINT_bn2point(const EC_GROUP *group,
+                            const BIGNUM *bn, EC_POINT *point, BN_CTX *ctx)
+{
+    size_t buf_len = 0;
+    unsigned char *buf;
+    EC_POINT *ret;
+
+    if ((buf_len = BN_num_bytes(bn)) == 0)
+        return NULL;
+    buf = OPENSSL_malloc(buf_len);
+    if (buf == NULL)
+        return NULL;
+
+    if (!BN_bn2bin(bn, buf)) {
+        OPENSSL_free(buf);
+        return NULL;
+    }
+
+    if (point == NULL) {
+        if ((ret = EC_POINT_new(group)) == NULL) {
+            OPENSSL_free(buf);
+            return NULL;
+        }
+    } else
+        ret = point;
+
+    if (!EC_POINT_oct2point(group, ret, buf, buf_len, ctx)) {
+        if (point == NULL)
+            EC_POINT_clear_free(ret);
+        OPENSSL_free(buf);
+        return NULL;
+    }
+
+    OPENSSL_free(buf);
+    return ret;
+}
+
+static const char *HEX_DIGITS = "0123456789ABCDEF";
+
+/* the return value must be freed (using OPENSSL_free()) */
+char *EC_POINT_point2hex(const EC_GROUP *group,
+                         const EC_POINT *point,
+                         point_conversion_form_t form, BN_CTX *ctx)
+{
+    char *ret, *p;
+    size_t buf_len = 0, i;
+    unsigned char *buf, *pbuf;
+
+    buf_len = EC_POINT_point2oct(group, point, form, NULL, 0, ctx);
+    if (buf_len == 0)
+        return NULL;
+
+    if ((buf = OPENSSL_malloc(buf_len)) == NULL)
+        return NULL;
+
+    if (!EC_POINT_point2oct(group, point, form, buf, buf_len, ctx)) {
+        OPENSSL_free(buf);
+        return NULL;
+    }
+
+    ret = (char *)OPENSSL_malloc(buf_len * 2 + 2);
+    if (ret == NULL) {
+        OPENSSL_free(buf);
+        return NULL;
+    }
+    p = ret;
+    pbuf = buf;
+    for (i = buf_len; i > 0; i--) {
+        int v = (int)*(pbuf++);
+        *(p++) = HEX_DIGITS[v >> 4];
+        *(p++) = HEX_DIGITS[v & 0x0F];
+    }
+    *p = '\0';
+
+    OPENSSL_free(buf);
+
+    return ret;
+}
+
+EC_POINT *EC_POINT_hex2point(const EC_GROUP *group,
+                             const char *buf, EC_POINT *point, BN_CTX *ctx)
+{
+    EC_POINT *ret = NULL;
+    BIGNUM *tmp_bn = NULL;
+
+    if (!BN_hex2bn(&tmp_bn, buf))
+        return NULL;
+
+    ret = EC_POINT_bn2point(group, tmp_bn, point, ctx);
+
+    BN_clear_free(tmp_bn);
+
+    return ret;
+}