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: NRich Salz <rsalz@openssl.org>

engines/Makefile

@@ -31,13 +31,15 @@ AFLAGS= $(ASFLAGS)
 GENERAL=Makefile engines.com install.com engine_vector.mar
 
 LIB=$(TOP)/libcrypto.a
-LIBNAMES= gmp padlock capi
+LIBNAMES= gmp padlock capi dasync
 LIBSRC=	e_gmp.c \
 	e_padlock.c \
-	e_capi.c
+	e_capi.c \
+	e_dasync.c
 LIBOBJ= e_gmp.o \
 	e_padlock.o \
 	e_capi.o \
+	e_dasync.o \
 	$(ENGINES_ASM_OBJ)
 
 TESTLIBNAMES= ossltest
@@ -50,7 +52,8 @@ HEADER=	e_gmp_err.c e_gmp_err.h \
 	e_chil_err.c e_chil_err.h \
 	e_ubsec_err.c e_ubsec_err.h \
 	e_capi_err.c e_capi_err.h \
-	e_ossltest_err.c e_ossltest_err.h
+	e_ossltest_err.c e_ossltest_err.h \
+	e_dasync_err.c e_dasync_err.h
 
 ALL=	$(GENERAL) $(SRC) $(HEADER)
 
@@ -166,6 +169,21 @@ e_capi.o: ../include/openssl/pkcs7.h ../include/openssl/safestack.h
 e_capi.o: ../include/openssl/sha.h ../include/openssl/stack.h
 e_capi.o: ../include/openssl/symhacks.h ../include/openssl/x509.h
 e_capi.o: ../include/openssl/x509_vfy.h e_capi.c
+e_dasync.o: ../include/openssl/asn1.h ../include/openssl/async.h
+e_dasync.o: ../include/openssl/bio.h ../include/openssl/bn.h
+e_dasync.o: ../include/openssl/buffer.h ../include/openssl/crypto.h
+e_dasync.o: ../include/openssl/e_os2.h ../include/openssl/ec.h
+e_dasync.o: ../include/openssl/ecdh.h ../include/openssl/ecdsa.h
+e_dasync.o: ../include/openssl/engine.h ../include/openssl/err.h
+e_dasync.o: ../include/openssl/evp.h ../include/openssl/lhash.h
+e_dasync.o: ../include/openssl/obj_mac.h ../include/openssl/objects.h
+e_dasync.o: ../include/openssl/opensslconf.h ../include/openssl/opensslv.h
+e_dasync.o: ../include/openssl/ossl_typ.h ../include/openssl/pkcs7.h
+e_dasync.o: ../include/openssl/rsa.h ../include/openssl/safestack.h
+e_dasync.o: ../include/openssl/sha.h ../include/openssl/stack.h
+e_dasync.o: ../include/openssl/symhacks.h ../include/openssl/x509.h
+e_dasync.o: ../include/openssl/x509_vfy.h e_dasync.c e_dasync_err.c
+e_dasync.o: e_dasync_err.h
 e_gmp.o: ../include/openssl/asn1.h ../include/openssl/bio.h
 e_gmp.o: ../include/openssl/bn.h ../include/openssl/buffer.h
 e_gmp.o: ../include/openssl/crypto.h ../include/openssl/e_os2.h

engines/e_dasync.c

+/* engines/e_dasync.c */
+/*
+ * Written by Matt Caswell (matt@openssl.org) for the OpenSSL project.
+ */
+/* ====================================================================
+ * Copyright (c) 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
+ *    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.
+ * ====================================================================
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include <openssl/engine.h>
+#include <openssl/sha.h>
+#include <openssl/rsa.h>
+#include <openssl/evp.h>
+#include <openssl/async.h>
+#include <openssl/bn.h>
+
+#define DASYNC_LIB_NAME "DASYNC"
+#include "e_dasync_err.c"
+
+/* Engine Id and Name */
+static const char *engine_dasync_id = "dasync";
+static const char *engine_dasync_name = "Dummy Async engine support";
+
+
+/* Engine Lifetime functions */
+static int dasync_destroy(ENGINE *e);
+static int dasync_init(ENGINE *e);
+static int dasync_finish(ENGINE *e);
+void ENGINE_load_dasync(void);
+
+
+/* Set up digests. Just SHA1 for now */
+static int dasync_digests(ENGINE *e, const EVP_MD **digest,
+                          const int **nids, int nid);
+
+static int dasync_digest_nids[] = { NID_sha1, 0 };
+
+
+/* SHA1 */
+static int digest_sha1_init(EVP_MD_CTX *ctx);
+static int digest_sha1_update(EVP_MD_CTX *ctx, const void *data,
+                             unsigned long count);
+static int digest_sha1_final(EVP_MD_CTX *ctx, unsigned char *md);
+
+static const EVP_MD digest_sha1 = {
+    NID_sha1,
+    NID_sha1WithRSAEncryption,
+    SHA_DIGEST_LENGTH,
+    EVP_MD_FLAG_PKEY_METHOD_SIGNATURE | EVP_MD_FLAG_DIGALGID_ABSENT,
+    digest_sha1_init,
+    digest_sha1_update,
+    digest_sha1_final,
+    NULL,
+    NULL,
+    EVP_PKEY_NULL_method,
+    SHA_CBLOCK,
+    sizeof(EVP_MD *) + sizeof(SHA_CTX),
+};
+
+/* RSA */
+
+static int dasync_pub_enc(int flen, const unsigned char *from,
+                    unsigned char *to, RSA *rsa, int padding);
+static int dasync_pub_dec(int flen, const unsigned char *from,
+                    unsigned char *to, RSA *rsa, int padding);
+static int dasync_rsa_priv_enc(int flen, const unsigned char *from,
+                      unsigned char *to, RSA *rsa, int padding);
+static int dasync_rsa_priv_dec(int flen, const unsigned char *from,
+                      unsigned char *to, RSA *rsa, int padding);
+static int dasync_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa,
+                              BN_CTX *ctx);
+
+static int dasync_rsa_init(RSA *rsa);
+static int dasync_rsa_finish(RSA *rsa);
+
+static RSA_METHOD dasync_rsa_method = {
+    "Dummy Async RSA method",
+    dasync_pub_enc,             /* pub_enc */
+    dasync_pub_dec,             /* pub_dec */
+    dasync_rsa_priv_enc,        /* priv_enc */
+    dasync_rsa_priv_dec,        /* priv_dec */
+    dasync_rsa_mod_exp,         /* rsa_mod_exp */
+    BN_mod_exp_mont,            /* bn_mod_exp */
+    dasync_rsa_init,            /* init */
+    dasync_rsa_finish,          /* finish */
+    0,                          /* flags */
+    NULL,                       /* app_data */
+    0,                          /* rsa_sign */
+    0,                          /* rsa_verify */
+    NULL                        /* rsa_keygen */
+};
+
+
+static int bind_dasync(ENGINE *e)
+{
+    /* Ensure the dasync error handling is set up */
+    ERR_load_DASYNC_strings();
+
+    if (!ENGINE_set_id(e, engine_dasync_id)
+        || !ENGINE_set_name(e, engine_dasync_name)
+        || !ENGINE_set_RSA(e, &dasync_rsa_method)
+        || !ENGINE_set_digests(e, dasync_digests)
+        || !ENGINE_set_destroy_function(e, dasync_destroy)
+        || !ENGINE_set_init_function(e, dasync_init)
+        || !ENGINE_set_finish_function(e, dasync_finish)) {
+        DASYNCerr(DASYNC_F_BIND_DASYNC, DASYNC_R_INIT_FAILED);
+        return 0;
+    }
+
+    return 1;
+}
+
+# ifndef OPENSSL_NO_DYNAMIC_ENGINE
+static int bind_helper(ENGINE *e, const char *id)
+{
+    if (id && (strcmp(id, engine_dasync_id) != 0))
+        return 0;
+    if (!bind_dasync(e))
+        return 0;
+    return 1;
+}
+
+IMPLEMENT_DYNAMIC_CHECK_FN()
+    IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
+# endif
+
+static ENGINE *engine_dasync(void)
+{
+    ENGINE *ret = ENGINE_new();
+    if (!ret)
+        return NULL;
+    if (!bind_dasync(ret)) {
+        ENGINE_free(ret);
+        return NULL;
+    }
+    return ret;
+}
+
+void ENGINE_load_dasync(void)
+{
+    ENGINE *toadd = engine_dasync();
+    if (!toadd)
+        return;
+    ENGINE_add(toadd);
+    ENGINE_free(toadd);
+    ERR_clear_error();
+}
+
+static int dasync_init(ENGINE *e)
+{
+    return 1;
+}
+
+
+static int dasync_finish(ENGINE *e)
+{
+    return 1;
+}
+
+
+static int dasync_destroy(ENGINE *e)
+{
+    ERR_unload_DASYNC_strings();
+    return 1;
+}
+
+static int dasync_digests(ENGINE *e, const EVP_MD **digest,
+                          const int **nids, int nid)
+{
+    int ok = 1;
+    if (!digest) {
+        /* We are returning a list of supported nids */
+        *nids = dasync_digest_nids;
+        return (sizeof(dasync_digest_nids) -
+                1) / sizeof(dasync_digest_nids[0]);
+    }
+    /* We are being asked for a specific digest */
+    switch (nid) {
+    case NID_sha1:
+        *digest = &digest_sha1;
+        break;
+    default:
+        ok = 0;
+        *digest = NULL;
+        break;
+    }
+    return ok;
+}
+
+
+/*
+ * SHA1 implementation. At the moment we just defer to the standard
+ * implementation
+ */
+#undef data
+#define data(ctx) ((SHA_CTX *)(ctx)->md_data)
+static int digest_sha1_init(EVP_MD_CTX *ctx)
+{
+    /* Ignore errors - we carry on anyway */
+    ASYNC_pause_job();
+
+    return SHA1_Init(data(ctx));
+}
+
+static int digest_sha1_update(EVP_MD_CTX *ctx, const void *data,
+                             unsigned long count)
+{
+    /* Ignore errors - we carry on anyway */
+    ASYNC_pause_job();
+
+    return SHA1_Update(data(ctx), data, (size_t)count);
+}
+
+static int digest_sha1_final(EVP_MD_CTX *ctx, unsigned char *md)
+{
+    /* Ignore errors - we carry on anyway */
+    ASYNC_pause_job();
+
+    return SHA1_Final(md, data(ctx));
+}
+
+/*
+ * RSA implementation
+ */
+
+static int dasync_pub_enc(int flen, const unsigned char *from,
+                    unsigned char *to, RSA *rsa, int padding) {
+    /* Ignore errors - we carry on anyway */
+    ASYNC_pause_job();
+    return RSA_PKCS1_OpenSSL()->rsa_pub_enc(flen, from, to, rsa, padding);
+}
+
+static int dasync_pub_dec(int flen, const unsigned char *from,
+                    unsigned char *to, RSA *rsa, int padding) {
+    /* Ignore errors - we carry on anyway */
+    ASYNC_pause_job();
+    return RSA_PKCS1_OpenSSL()->rsa_pub_dec(flen, from, to, rsa, padding);
+}
+
+static int dasync_rsa_priv_enc(int flen, const unsigned char *from,
+                      unsigned char *to, RSA *rsa, int padding)
+{
+    /* Ignore errors - we carry on anyway */
+    ASYNC_pause_job();
+    return RSA_PKCS1_OpenSSL()->rsa_priv_enc(flen, from, to, rsa, padding);
+}
+
+static int dasync_rsa_priv_dec(int flen, const unsigned char *from,
+                      unsigned char *to, RSA *rsa, int padding)
+{
+    /* Ignore errors - we carry on anyway */
+    ASYNC_pause_job();
+    return RSA_PKCS1_OpenSSL()->rsa_priv_dec(flen, from, to, rsa, padding);
+}
+
+static int dasync_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx)
+{
+    /* Ignore errors - we carry on anyway */
+    ASYNC_pause_job();
+    return RSA_PKCS1_OpenSSL()->rsa_mod_exp(r0, I, rsa, ctx);
+}
+
+static int dasync_rsa_init(RSA *rsa)
+{
+    return RSA_PKCS1_OpenSSL()->init(rsa);
+}
+static int dasync_rsa_finish(RSA *rsa)
+{
+    return RSA_PKCS1_OpenSSL()->finish(rsa);
+}

engines/e_dasync.ec

+L       DASYNC    e_dasync_err.h e_dasync_err.c

engines/e_dasync_err.c

+/* 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);
+	}

engines/e_dasync_err.h

+/* ====================================================================
+ * Copyright (c) 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).
+ *
+ */
+
+#ifndef HEADER_DASYNC_ERR_H
+# define HEADER_DASYNC_ERR_H
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+/* BEGIN ERROR CODES */
+/* The following lines are auto generated by the script mkerr.pl. Any changes
+ * made after this point may be overwritten when the script is next run.
+ */
+static void ERR_load_DASYNC_strings(void);
+static void ERR_unload_DASYNC_strings(void);
+static void ERR_DASYNC_error(int function, int reason, char *file, int line);
+#define DASYNCerr(f,r) ERR_DASYNC_error((f),(r),__FILE__,__LINE__)
+
+/* Error codes for the DASYNC functions. */
+
+/* Function codes. */
+#define DASYNC_F_BIND_DASYNC				 107
+#define DASYNC_F_CIPHER_AES_128_CBC_CODE		 100
+#define DASYNC_F_DASYNC_BN_MOD_EXP			 101
+#define DASYNC_F_DASYNC_MOD_EXP				 102
+#define DASYNC_F_DASYNC_PRIVATE_DECRYPT			 103
+#define DASYNC_F_DASYNC_PRIVATE_ENCRYPT			 104
+#define DASYNC_F_DASYNC_PUBLIC_DECRYPT			 105
+#define DASYNC_F_DASYNC_PUBLIC_ENCRYPT			 106
+
+/* Reason codes. */
+#define DASYNC_R_INIT_FAILED				 102
+#define DASYNC_R_LENGTH_NOT_BLOCK_ALIGNED		 100
+#define DASYNC_R_UNKNOWN_FAULT				 101
+
+#ifdef  __cplusplus
+}
+#endif
+#endif

include/openssl/engine.h

@@ -409,6 +409,7 @@ void ENGINE_load_gmp(void);
 #  ifndef OPENSSL_NO_GOST
 void ENGINE_load_gost(void);
 #  endif
+void ENGINE_load_dasync(void);
 # endif
 void ENGINE_load_cryptodev(void);
 void ENGINE_load_rdrand(void);

util/libeay.num

@@ -4649,3 +4649,4 @@ X509_get0_uids                          5008	EXIST::FUNCTION:
 X509_aux_print                          5009	EXIST::FUNCTION:STDIO
 TS_RESP_CTX_set_signer_digest           5010	EXIST::FUNCTION:
 TS_CONF_set_signer_digest               5011	EXIST::FUNCTION:
+ENGINE_load_dasync                      5012	EXIST::FUNCTION:ENGINE,STATIC_ENGINE