Add the Dummy Async engine (dasync)

This engine is for developers of async aware applications. It simulates
asynchronous activity with external hardware. This initial version supports
SHA1 and RSA. Certain operations using those algorithms have async job
"pauses" in them - using the new libcrypto async capability.

Reviewed-by: Rich Salz <rsalz@openssl.org>

1 files changed, 147 insertions, 0 deletions

diff --git a/engines/e_dasync_err.c b/engines/e_dasync_err.c
new file mode 100644
index 0000000000..a222899e7d
--- /dev/null
+++ b/engines/e_dasync_err.c
@@ -0,0 +1,147 @@
+/* e_dasync_err.c */
+/* ====================================================================
+ * Copyright (c) 1999-2015 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).
+ *
+ */
+
+/* NOTE: this file was auto generated by the mkerr.pl script: any changes
+ * made to it will be overwritten when the script next updates this file,
+ * only reason strings will be preserved.
+ */
+
+#include <stdio.h>
+#include <openssl/err.h>
+#include "e_dasync_err.h"
+
+/* BEGIN ERROR CODES */
+#ifndef OPENSSL_NO_ERR
+
+#define ERR_FUNC(func) ERR_PACK(0,func,0)
+#define ERR_REASON(reason) ERR_PACK(0,0,reason)
+
+static ERR_STRING_DATA DASYNC_str_functs[]=
+	{
+{ERR_FUNC(DASYNC_F_BIND_DASYNC),	"BIND_DASYNC"},
+{ERR_FUNC(DASYNC_F_CIPHER_AES_128_CBC_CODE),	"CIPHER_AES_128_CBC_CODE"},
+{ERR_FUNC(DASYNC_F_DASYNC_BN_MOD_EXP),	"DASYNC_BN_MOD_EXP"},
+{ERR_FUNC(DASYNC_F_DASYNC_MOD_EXP),	"DASYNC_MOD_EXP"},
+{ERR_FUNC(DASYNC_F_DASYNC_PRIVATE_DECRYPT),	"DASYNC_PRIVATE_DECRYPT"},
+{ERR_FUNC(DASYNC_F_DASYNC_PRIVATE_ENCRYPT),	"DASYNC_PRIVATE_ENCRYPT"},
+{ERR_FUNC(DASYNC_F_DASYNC_PUBLIC_DECRYPT),	"DASYNC_PUBLIC_DECRYPT"},
+{ERR_FUNC(DASYNC_F_DASYNC_PUBLIC_ENCRYPT),	"DASYNC_PUBLIC_ENCRYPT"},
+{0,NULL}
+	};
+
+static ERR_STRING_DATA DASYNC_str_reasons[]=
+	{
+{ERR_REASON(DASYNC_R_INIT_FAILED)        ,"init failed"},
+{ERR_REASON(DASYNC_R_LENGTH_NOT_BLOCK_ALIGNED),"length not block aligned"},
+{ERR_REASON(DASYNC_R_UNKNOWN_FAULT)      ,"unknown fault"},
+{0,NULL}
+	};
+
+#endif
+
+#ifdef DASYNC_LIB_NAME
+static ERR_STRING_DATA DASYNC_lib_name[]=
+        {
+{0	,DASYNC_LIB_NAME},
+{0,NULL}
+	};
+#endif
+
+
+static int DASYNC_lib_error_code=0;
+static int DASYNC_error_init=1;
+
+static void ERR_load_DASYNC_strings(void)
+	{
+	if (DASYNC_lib_error_code == 0)
+		DASYNC_lib_error_code=ERR_get_next_error_library();
+
+	if (DASYNC_error_init)
+		{
+		DASYNC_error_init=0;
+#ifndef OPENSSL_NO_ERR
+		ERR_load_strings(DASYNC_lib_error_code,DASYNC_str_functs);
+		ERR_load_strings(DASYNC_lib_error_code,DASYNC_str_reasons);
+#endif
+
+#ifdef DASYNC_LIB_NAME
+		DASYNC_lib_name->error = ERR_PACK(DASYNC_lib_error_code,0,0);
+		ERR_load_strings(0,DASYNC_lib_name);
+#endif
+		}
+	}
+
+static void ERR_unload_DASYNC_strings(void)
+	{
+	if (DASYNC_error_init == 0)
+		{
+#ifndef OPENSSL_NO_ERR
+		ERR_unload_strings(DASYNC_lib_error_code,DASYNC_str_functs);
+		ERR_unload_strings(DASYNC_lib_error_code,DASYNC_str_reasons);
+#endif
+
+#ifdef DASYNC_LIB_NAME
+		ERR_unload_strings(0,DASYNC_lib_name);
+#endif
+		DASYNC_error_init=1;
+		}
+	}
+
+static void ERR_DASYNC_error(int function, int reason, char *file, int line)
+	{
+	if (DASYNC_lib_error_code == 0)
+		DASYNC_lib_error_code=ERR_get_next_error_library();
+	ERR_PUT_error(DASYNC_lib_error_code,function,reason,file,line);
+	}