am 00bc53f6: am a04d78d3: Revert "external/boringssl: sync with upstream."

* commit '00bc53f6f4436972b7a8dcf2c1e5fd0ad7515872':
  Revert "external/boringssl: sync with upstream."

1 files changed, 89 insertions, 0 deletions

diff --git a/src/crypto/evp/p_hmac_asn1.c b/src/crypto/evp/p_hmac_asn1.c
new file mode 100644
index 0000000..8aa6676
--- /dev/null
+++ b/src/crypto/evp/p_hmac_asn1.c
@@ -0,0 +1,89 @@
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project 2007.
+ */
+/* ====================================================================
+ * Copyright (c) 2007 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
+ *    licensing@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/evp.h>
+
+#include <openssl/asn1.h>
+#include <openssl/digest.h>
+#include <openssl/mem.h>
+#include <openssl/obj.h>
+
+#include "internal.h"
+
+
+static int hmac_size(const EVP_PKEY *pkey) { return EVP_MAX_MD_SIZE; }
+
+static void hmac_key_free(EVP_PKEY *pkey) {
+  ASN1_OCTET_STRING *os = (ASN1_OCTET_STRING *)pkey->pkey.ptr;
+  if (os) {
+    if (os->data) {
+      OPENSSL_cleanse(os->data, os->length);
+    }
+    ASN1_OCTET_STRING_free(os);
+  }
+}
+
+const EVP_PKEY_ASN1_METHOD hmac_asn1_meth = {
+    EVP_PKEY_HMAC,       EVP_PKEY_HMAC,         0 /* flags */,
+    "HMAC",              "OpenSSL HMAC method", 0 /* pub_decode */,
+    0 /* pub_encode */,  0 /* pub_cmp */,       0 /* pub_print */,
+    0 /*priv_decode */,  0 /* priv_encode */,   0 /* priv_print */,
+    0 /* pkey_opaque */, 0 /* pkey_supports_digest */,
+    hmac_size,           0 /* pkey_bits */,     0 /* param_decode */,
+    0 /* param_encode*/, 0 /* param_missing*/,  0 /* param_copy*/,
+    0 /* param_cmp*/,    0 /* param_print*/,    0 /* sig_print*/,
+    hmac_key_free,       0 /* old_priv_decode */,
+    0 /* old_priv_encode */
+};