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-rw-r--r--crypto/engine/eng_openssl.c538
1 files changed, 392 insertions, 146 deletions
diff --git a/crypto/engine/eng_openssl.c b/crypto/engine/eng_openssl.c
index 34b002950e8a..f7ad7a5f46da 100644
--- a/crypto/engine/eng_openssl.c
+++ b/crypto/engine/eng_openssl.c
@@ -1,84 +1,26 @@
-/* crypto/engine/eng_openssl.c */
/*
- * Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL project
- * 2000.
- */
-/* ====================================================================
- * Copyright (c) 1999-2001 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).
+ * Copyright 2001-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
*
- */
-/* ====================================================================
- * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
- * ECDH support in OpenSSL originally developed by
- * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include <openssl/crypto.h>
-#include "cryptlib.h"
-#include <openssl/engine.h>
-#include <openssl/dso.h>
+#include "internal/cryptlib.h"
+#include "internal/engine.h"
#include <openssl/pem.h>
#include <openssl/evp.h>
#include <openssl/rand.h>
-#ifndef OPENSSL_NO_RSA
-# include <openssl/rsa.h>
-#endif
-#ifndef OPENSSL_NO_DSA
-# include <openssl/dsa.h>
-#endif
-#ifndef OPENSSL_NO_DH
-# include <openssl/dh.h>
-#endif
+#include <openssl/rsa.h>
+#include <openssl/dsa.h>
+#include <openssl/dh.h>
+
+#include <openssl/hmac.h>
+#include <openssl/x509v3.h>
/*
* This testing gunk is implemented (and explained) lower down. It also
@@ -86,7 +28,11 @@
* this is no longer automatic in ENGINE_load_builtin_engines().
*/
#define TEST_ENG_OPENSSL_RC4
+#ifndef OPENSSL_NO_STDIO
#define TEST_ENG_OPENSSL_PKEY
+#endif
+/* #define TEST_ENG_OPENSSL_HMAC */
+/* #define TEST_ENG_OPENSSL_HMAC_INIT */
/* #define TEST_ENG_OPENSSL_RC4_OTHERS */
#define TEST_ENG_OPENSSL_RC4_P_INIT
/* #define TEST_ENG_OPENSSL_RC4_P_CIPHER */
@@ -103,13 +49,8 @@
# undef TEST_ENG_OPENSSL_RC4_P_INIT
# undef TEST_ENG_OPENSSL_RC4_P_CIPHER
#endif
-#if defined(OPENSSL_NO_SHA) || defined(OPENSSL_NO_SHA0) || defined(OPENSSL_NO_SHA1)
-# undef TEST_ENG_OPENSSL_SHA
-# undef TEST_ENG_OPENSSL_SHA_OTHERS
-# undef TEST_ENG_OPENSSL_SHA_P_INIT
-# undef TEST_ENG_OPENSSL_SHA_P_UPDATE
-# undef TEST_ENG_OPENSSL_SHA_P_FINAL
-#endif
+
+static int openssl_destroy(ENGINE *e);
#ifdef TEST_ENG_OPENSSL_RC4
static int openssl_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
@@ -126,6 +67,12 @@ static EVP_PKEY *openssl_load_privkey(ENGINE *eng, const char *key_id,
void *callback_data);
#endif
+#ifdef TEST_ENG_OPENSSL_HMAC
+static int ossl_register_hmac_meth(void);
+static int ossl_pkey_meths(ENGINE *e, EVP_PKEY_METHOD **pmeth,
+ const int **nids, int nid);
+#endif
+
/* The constants used when creating the ENGINE */
static const char *engine_openssl_id = "openssl";
static const char *engine_openssl_name = "Software engine support";
@@ -138,6 +85,7 @@ static int bind_helper(ENGINE *e)
{
if (!ENGINE_set_id(e, engine_openssl_id)
|| !ENGINE_set_name(e, engine_openssl_name)
+ || !ENGINE_set_destroy_function(e, openssl_destroy)
#ifndef TEST_ENG_OPENSSL_NO_ALGORITHMS
# ifndef OPENSSL_NO_RSA
|| !ENGINE_set_RSA(e, RSA_get_default_method())
@@ -145,16 +93,13 @@ static int bind_helper(ENGINE *e)
# ifndef OPENSSL_NO_DSA
|| !ENGINE_set_DSA(e, DSA_get_default_method())
# endif
-# ifndef OPENSSL_NO_ECDH
- || !ENGINE_set_ECDH(e, ECDH_OpenSSL())
-# endif
-# ifndef OPENSSL_NO_ECDSA
- || !ENGINE_set_ECDSA(e, ECDSA_OpenSSL())
+# ifndef OPENSSL_NO_EC
+ || !ENGINE_set_EC(e, EC_KEY_OpenSSL())
# endif
# ifndef OPENSSL_NO_DH
|| !ENGINE_set_DH(e, DH_get_default_method())
# endif
- || !ENGINE_set_RAND(e, RAND_SSLeay())
+ || !ENGINE_set_RAND(e, RAND_OpenSSL())
# ifdef TEST_ENG_OPENSSL_RC4
|| !ENGINE_set_ciphers(e, openssl_ciphers)
# endif
@@ -165,6 +110,10 @@ static int bind_helper(ENGINE *e)
#ifdef TEST_ENG_OPENSSL_PKEY
|| !ENGINE_set_load_privkey_function(e, openssl_load_privkey)
#endif
+#ifdef TEST_ENG_OPENSSL_HMAC
+ || !ossl_register_hmac_meth()
+ || !ENGINE_set_pkey_meths(e, ossl_pkey_meths)
+#endif
)
return 0;
/*
@@ -178,7 +127,7 @@ static int bind_helper(ENGINE *e)
static ENGINE *engine_openssl(void)
{
ENGINE *ret = ENGINE_new();
- if (!ret)
+ if (ret == NULL)
return NULL;
if (!bind_helper(ret)) {
ENGINE_free(ret);
@@ -187,7 +136,7 @@ static ENGINE *engine_openssl(void)
return ret;
}
-void ENGINE_load_openssl(void)
+void engine_load_openssl_int(void)
{
ENGINE *toadd = engine_openssl();
if (!toadd)
@@ -232,14 +181,11 @@ IMPLEMENT_DYNAMIC_CHECK_FN()
*/
# include <openssl/rc4.h>
# define TEST_RC4_KEY_SIZE 16
-static int test_cipher_nids[] = { NID_rc4, NID_rc4_40 };
-
-static int test_cipher_nids_number = 2;
typedef struct {
unsigned char key[TEST_RC4_KEY_SIZE];
RC4_KEY ks;
} TEST_RC4_KEY;
-# define test(ctx) ((TEST_RC4_KEY *)(ctx)->cipher_data)
+# define test(ctx) ((TEST_RC4_KEY *)EVP_CIPHER_CTX_get_cipher_data(ctx))
static int test_rc4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
@@ -262,47 +208,86 @@ static int test_rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
return 1;
}
-static const EVP_CIPHER test_r4_cipher = {
- NID_rc4,
- 1, TEST_RC4_KEY_SIZE, 0,
- EVP_CIPH_VARIABLE_LENGTH,
- test_rc4_init_key,
- test_rc4_cipher,
- NULL,
- sizeof(TEST_RC4_KEY),
- NULL,
- NULL,
- NULL,
- NULL
-};
-
-static const EVP_CIPHER test_r4_40_cipher = {
- NID_rc4_40,
- 1, 5 /* 40 bit */ , 0,
- EVP_CIPH_VARIABLE_LENGTH,
- test_rc4_init_key,
- test_rc4_cipher,
- NULL,
- sizeof(TEST_RC4_KEY),
- NULL,
- NULL,
- NULL,
- NULL
-};
+static EVP_CIPHER *r4_cipher = NULL;
+static const EVP_CIPHER *test_r4_cipher(void)
+{
+ if (r4_cipher == NULL) {
+ EVP_CIPHER *cipher;
+
+ if ((cipher = EVP_CIPHER_meth_new(NID_rc4, 1, TEST_RC4_KEY_SIZE)) == NULL
+ || !EVP_CIPHER_meth_set_iv_length(cipher, 0)
+ || !EVP_CIPHER_meth_set_flags(cipher, EVP_CIPH_VARIABLE_LENGTH)
+ || !EVP_CIPHER_meth_set_init(cipher, test_rc4_init_key)
+ || !EVP_CIPHER_meth_set_do_cipher(cipher, test_rc4_cipher)
+ || !EVP_CIPHER_meth_set_impl_ctx_size(cipher, sizeof(TEST_RC4_KEY))) {
+ EVP_CIPHER_meth_free(cipher);
+ cipher = NULL;
+ }
+ r4_cipher = cipher;
+ }
+ return r4_cipher;
+}
+static void test_r4_cipher_destroy(void)
+{
+ EVP_CIPHER_meth_free(r4_cipher);
+ r4_cipher = NULL;
+}
+
+static EVP_CIPHER *r4_40_cipher = NULL;
+static const EVP_CIPHER *test_r4_40_cipher(void)
+{
+ if (r4_40_cipher == NULL) {
+ EVP_CIPHER *cipher;
+
+ if ((cipher = EVP_CIPHER_meth_new(NID_rc4, 1, 5 /* 40 bits */)) == NULL
+ || !EVP_CIPHER_meth_set_iv_length(cipher, 0)
+ || !EVP_CIPHER_meth_set_flags(cipher, EVP_CIPH_VARIABLE_LENGTH)
+ || !EVP_CIPHER_meth_set_init(cipher, test_rc4_init_key)
+ || !EVP_CIPHER_meth_set_do_cipher(cipher, test_rc4_cipher)
+ || !EVP_CIPHER_meth_set_impl_ctx_size(cipher, sizeof(TEST_RC4_KEY))) {
+ EVP_CIPHER_meth_free(cipher);
+ cipher = NULL;
+ }
+ r4_40_cipher = cipher;
+ }
+ return r4_40_cipher;
+}
+static void test_r4_40_cipher_destroy(void)
+{
+ EVP_CIPHER_meth_free(r4_40_cipher);
+ r4_40_cipher = NULL;
+}
+static int test_cipher_nids(const int **nids)
+{
+ static int cipher_nids[4] = { 0, 0, 0, 0 };
+ static int pos = 0;
+ static int init = 0;
+
+ if (!init) {
+ const EVP_CIPHER *cipher;
+ if ((cipher = test_r4_cipher()) != NULL)
+ cipher_nids[pos++] = EVP_CIPHER_nid(cipher);
+ if ((cipher = test_r4_40_cipher()) != NULL)
+ cipher_nids[pos++] = EVP_CIPHER_nid(cipher);
+ cipher_nids[pos] = 0;
+ init = 1;
+ }
+ *nids = cipher_nids;
+ return pos;
+}
static int openssl_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
const int **nids, int nid)
{
if (!cipher) {
/* We are returning a list of supported nids */
- *nids = test_cipher_nids;
- return test_cipher_nids_number;
+ return test_cipher_nids(nids);
}
/* We are being asked for a specific cipher */
if (nid == NID_rc4)
- *cipher = &test_r4_cipher;
+ *cipher = test_r4_cipher();
else if (nid == NID_rc4_40)
- *cipher = &test_r4_40_cipher;
+ *cipher = test_r4_40_cipher();
else {
# ifdef TEST_ENG_OPENSSL_RC4_OTHERS
fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) returning NULL for "
@@ -318,15 +303,13 @@ static int openssl_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
#ifdef TEST_ENG_OPENSSL_SHA
/* Much the same sort of comment as for TEST_ENG_OPENSSL_RC4 */
# include <openssl/sha.h>
-static int test_digest_nids[] = { NID_sha1 };
-static int test_digest_nids_number = 1;
static int test_sha1_init(EVP_MD_CTX *ctx)
{
# ifdef TEST_ENG_OPENSSL_SHA_P_INIT
fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_init() called\n");
# endif
- return SHA1_Init(ctx->md_data);
+ return SHA1_Init(EVP_MD_CTX_md_data(ctx));
}
static int test_sha1_update(EVP_MD_CTX *ctx, const void *data, size_t count)
@@ -334,7 +317,7 @@ static int test_sha1_update(EVP_MD_CTX *ctx, const void *data, size_t count)
# ifdef TEST_ENG_OPENSSL_SHA_P_UPDATE
fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_update() called\n");
# endif
- return SHA1_Update(ctx->md_data, data, count);
+ return SHA1_Update(EVP_MD_CTX_md_data(ctx), data, count);
}
static int test_sha1_final(EVP_MD_CTX *ctx, unsigned char *md)
@@ -342,35 +325,63 @@ static int test_sha1_final(EVP_MD_CTX *ctx, unsigned char *md)
# ifdef TEST_ENG_OPENSSL_SHA_P_FINAL
fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_final() called\n");
# endif
- return SHA1_Final(md, ctx->md_data);
-}
-
-static const EVP_MD test_sha_md = {
- NID_sha1,
- NID_sha1WithRSAEncryption,
- SHA_DIGEST_LENGTH,
- 0,
- test_sha1_init,
- test_sha1_update,
- test_sha1_final,
- NULL,
- NULL,
- EVP_PKEY_RSA_method,
- SHA_CBLOCK,
- sizeof(EVP_MD *) + sizeof(SHA_CTX),
-};
+ return SHA1_Final(md, EVP_MD_CTX_md_data(ctx));
+}
+
+static EVP_MD *sha1_md = NULL;
+static const EVP_MD *test_sha_md(void)
+{
+ if (sha1_md == NULL) {
+ EVP_MD *md;
+
+ if ((md = EVP_MD_meth_new(NID_sha1, NID_sha1WithRSAEncryption)) == NULL
+ || !EVP_MD_meth_set_result_size(md, SHA_DIGEST_LENGTH)
+ || !EVP_MD_meth_set_input_blocksize(md, SHA_CBLOCK)
+ || !EVP_MD_meth_set_app_datasize(md,
+ sizeof(EVP_MD *) + sizeof(SHA_CTX))
+ || !EVP_MD_meth_set_flags(md, 0)
+ || !EVP_MD_meth_set_init(md, test_sha1_init)
+ || !EVP_MD_meth_set_update(md, test_sha1_update)
+ || !EVP_MD_meth_set_final(md, test_sha1_final)) {
+ EVP_MD_meth_free(md);
+ md = NULL;
+ }
+ sha1_md = md;
+ }
+ return sha1_md;
+}
+static void test_sha_md_destroy(void)
+{
+ EVP_MD_meth_free(sha1_md);
+ sha1_md = NULL;
+}
+static int test_digest_nids(const int **nids)
+{
+ static int digest_nids[2] = { 0, 0 };
+ static int pos = 0;
+ static int init = 0;
+
+ if (!init) {
+ const EVP_MD *md;
+ if ((md = test_sha_md()) != NULL)
+ digest_nids[pos++] = EVP_MD_type(md);
+ digest_nids[pos] = 0;
+ init = 1;
+ }
+ *nids = digest_nids;
+ return pos;
+}
static int openssl_digests(ENGINE *e, const EVP_MD **digest,
const int **nids, int nid)
{
if (!digest) {
/* We are returning a list of supported nids */
- *nids = test_digest_nids;
- return test_digest_nids_number;
+ return test_digest_nids(nids);
}
/* We are being asked for a specific digest */
if (nid == NID_sha1)
- *digest = &test_sha_md;
+ *digest = test_sha_md();
else {
# ifdef TEST_ENG_OPENSSL_SHA_OTHERS
fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) returning NULL for "
@@ -400,3 +411,238 @@ static EVP_PKEY *openssl_load_privkey(ENGINE *eng, const char *key_id,
return key;
}
#endif
+
+#ifdef TEST_ENG_OPENSSL_HMAC
+
+/*
+ * Experimental HMAC redirection implementation: mainly copied from
+ * hm_pmeth.c
+ */
+
+/* HMAC pkey context structure */
+
+typedef struct {
+ const EVP_MD *md; /* MD for HMAC use */
+ ASN1_OCTET_STRING ktmp; /* Temp storage for key */
+ HMAC_CTX *ctx;
+} OSSL_HMAC_PKEY_CTX;
+
+static int ossl_hmac_init(EVP_PKEY_CTX *ctx)
+{
+ OSSL_HMAC_PKEY_CTX *hctx;
+
+ if ((hctx = OPENSSL_zalloc(sizeof(*hctx))) == NULL) {
+ ENGINEerr(ENGINE_F_OSSL_HMAC_INIT, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ hctx->ktmp.type = V_ASN1_OCTET_STRING;
+ hctx->ctx = HMAC_CTX_new();
+ if (hctx->ctx == NULL) {
+ OPENSSL_free(hctx);
+ return 0;
+ }
+ EVP_PKEY_CTX_set_data(ctx, hctx);
+ EVP_PKEY_CTX_set0_keygen_info(ctx, NULL, 0);
+# ifdef TEST_ENG_OPENSSL_HMAC_INIT
+ fprintf(stderr, "(TEST_ENG_OPENSSL_HMAC) ossl_hmac_init() called\n");
+# endif
+ return 1;
+}
+
+static void ossl_hmac_cleanup(EVP_PKEY_CTX *ctx);
+
+static int ossl_hmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
+{
+ OSSL_HMAC_PKEY_CTX *sctx, *dctx;
+
+ /* allocate memory for dst->data and a new HMAC_CTX in dst->data->ctx */
+ if (!ossl_hmac_init(dst))
+ return 0;
+ sctx = EVP_PKEY_CTX_get_data(src);
+ dctx = EVP_PKEY_CTX_get_data(dst);
+ dctx->md = sctx->md;
+ if (!HMAC_CTX_copy(dctx->ctx, sctx->ctx))
+ goto err;
+ if (sctx->ktmp.data) {
+ if (!ASN1_OCTET_STRING_set(&dctx->ktmp,
+ sctx->ktmp.data, sctx->ktmp.length))
+ goto err;
+ }
+ return 1;
+err:
+ /* release HMAC_CTX in dst->data->ctx and memory allocated for dst->data */
+ ossl_hmac_cleanup(dst);
+ return 0;
+}
+
+static void ossl_hmac_cleanup(EVP_PKEY_CTX *ctx)
+{
+ OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(ctx);
+
+ if (hctx) {
+ HMAC_CTX_free(hctx->ctx);
+ OPENSSL_clear_free(hctx->ktmp.data, hctx->ktmp.length);
+ OPENSSL_free(hctx);
+ EVP_PKEY_CTX_set_data(ctx, NULL);
+ }
+}
+
+static int ossl_hmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+{
+ ASN1_OCTET_STRING *hkey = NULL;
+ OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(ctx);
+ if (!hctx->ktmp.data)
+ return 0;
+ hkey = ASN1_OCTET_STRING_dup(&hctx->ktmp);
+ if (!hkey)
+ return 0;
+ EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, hkey);
+
+ return 1;
+}
+
+static int ossl_int_update(EVP_MD_CTX *ctx, const void *data, size_t count)
+{
+ OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(EVP_MD_CTX_pkey_ctx(ctx));
+ if (!HMAC_Update(hctx->ctx, data, count))
+ return 0;
+ return 1;
+}
+
+static int ossl_hmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
+{
+ EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
+ EVP_MD_CTX_set_update_fn(mctx, ossl_int_update);
+ return 1;
+}
+
+static int ossl_hmac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig,
+ size_t *siglen, EVP_MD_CTX *mctx)
+{
+ unsigned int hlen;
+ OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(ctx);
+ int l = EVP_MD_CTX_size(mctx);
+
+ if (l < 0)
+ return 0;
+ *siglen = l;
+ if (!sig)
+ return 1;
+
+ if (!HMAC_Final(hctx->ctx, sig, &hlen))
+ return 0;
+ *siglen = (size_t)hlen;
+ return 1;
+}
+
+static int ossl_hmac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
+{
+ OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(ctx);
+ EVP_PKEY *pk;
+ ASN1_OCTET_STRING *key;
+ switch (type) {
+
+ case EVP_PKEY_CTRL_SET_MAC_KEY:
+ if ((!p2 && p1 > 0) || (p1 < -1))
+ return 0;
+ if (!ASN1_OCTET_STRING_set(&hctx->ktmp, p2, p1))
+ return 0;
+ break;
+
+ case EVP_PKEY_CTRL_MD:
+ hctx->md = p2;
+ break;
+
+ case EVP_PKEY_CTRL_DIGESTINIT:
+ pk = EVP_PKEY_CTX_get0_pkey(ctx);
+ key = EVP_PKEY_get0(pk);
+ if (!HMAC_Init_ex(hctx->ctx, key->data, key->length, hctx->md, NULL))
+ return 0;
+ break;
+
+ default:
+ return -2;
+
+ }
+ return 1;
+}
+
+static int ossl_hmac_ctrl_str(EVP_PKEY_CTX *ctx,
+ const char *type, const char *value)
+{
+ if (!value) {
+ return 0;
+ }
+ if (strcmp(type, "key") == 0) {
+ void *p = (void *)value;
+ return ossl_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, -1, p);
+ }
+ if (strcmp(type, "hexkey") == 0) {
+ unsigned char *key;
+ int r;
+ long keylen;
+ key = OPENSSL_hexstr2buf(value, &keylen);
+ if (!key)
+ return 0;
+ r = ossl_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key);
+ OPENSSL_free(key);
+ return r;
+ }
+ return -2;
+}
+
+static EVP_PKEY_METHOD *ossl_hmac_meth;
+
+static int ossl_register_hmac_meth(void)
+{
+ EVP_PKEY_METHOD *meth;
+ meth = EVP_PKEY_meth_new(EVP_PKEY_HMAC, 0);
+ if (meth == NULL)
+ return 0;
+ EVP_PKEY_meth_set_init(meth, ossl_hmac_init);
+ EVP_PKEY_meth_set_copy(meth, ossl_hmac_copy);
+ EVP_PKEY_meth_set_cleanup(meth, ossl_hmac_cleanup);
+
+ EVP_PKEY_meth_set_keygen(meth, 0, ossl_hmac_keygen);
+
+ EVP_PKEY_meth_set_signctx(meth, ossl_hmac_signctx_init,
+ ossl_hmac_signctx);
+
+ EVP_PKEY_meth_set_ctrl(meth, ossl_hmac_ctrl, ossl_hmac_ctrl_str);
+ ossl_hmac_meth = meth;
+ return 1;
+}
+
+static int ossl_pkey_meths(ENGINE *e, EVP_PKEY_METHOD **pmeth,
+ const int **nids, int nid)
+{
+ static int ossl_pkey_nids[] = {
+ EVP_PKEY_HMAC,
+ 0
+ };
+ if (!pmeth) {
+ *nids = ossl_pkey_nids;
+ return 1;
+ }
+
+ if (nid == EVP_PKEY_HMAC) {
+ *pmeth = ossl_hmac_meth;
+ return 1;
+ }
+
+ *pmeth = NULL;
+ return 0;
+}
+
+#endif
+
+int openssl_destroy(ENGINE *e)
+{
+ test_sha_md_destroy();
+#ifdef TEST_ENG_OPENSSL_RC4
+ test_r4_cipher_destroy();
+ test_r4_40_cipher_destroy();
+#endif
+ return 1;
+}
+