diff options
Diffstat (limited to 'thirdparty/openssl/crypto/ecdh')
| -rw-r--r-- | thirdparty/openssl/crypto/ecdh/ech_err.c | 98 | ||||
| -rw-r--r-- | thirdparty/openssl/crypto/ecdh/ech_kdf.c | 111 | ||||
| -rw-r--r-- | thirdparty/openssl/crypto/ecdh/ech_key.c | 81 | ||||
| -rw-r--r-- | thirdparty/openssl/crypto/ecdh/ech_lib.c | 265 | ||||
| -rw-r--r-- | thirdparty/openssl/crypto/ecdh/ech_locl.h | 104 | ||||
| -rw-r--r-- | thirdparty/openssl/crypto/ecdh/ech_ossl.c | 218 |
6 files changed, 877 insertions, 0 deletions
diff --git a/thirdparty/openssl/crypto/ecdh/ech_err.c b/thirdparty/openssl/crypto/ecdh/ech_err.c new file mode 100644 index 0000000000..af9f625b41 --- /dev/null +++ b/thirdparty/openssl/crypto/ecdh/ech_err.c @@ -0,0 +1,98 @@ +/* crypto/ecdh/ech_err.c */ +/* ==================================================================== + * Copyright (c) 1999-2011 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 <openssl/ecdh.h> + +/* BEGIN ERROR CODES */ +#ifndef OPENSSL_NO_ERR + +# define ERR_FUNC(func) ERR_PACK(ERR_LIB_ECDH,func,0) +# define ERR_REASON(reason) ERR_PACK(ERR_LIB_ECDH,0,reason) + +static ERR_STRING_DATA ECDH_str_functs[] = { + {ERR_FUNC(ECDH_F_ECDH_CHECK), "ECDH_CHECK"}, + {ERR_FUNC(ECDH_F_ECDH_COMPUTE_KEY), "ECDH_compute_key"}, + {ERR_FUNC(ECDH_F_ECDH_DATA_NEW_METHOD), "ECDH_DATA_new_method"}, + {0, NULL} +}; + +static ERR_STRING_DATA ECDH_str_reasons[] = { + {ERR_REASON(ECDH_R_KDF_FAILED), "KDF failed"}, + {ERR_REASON(ECDH_R_NON_FIPS_METHOD), "non fips method"}, + {ERR_REASON(ECDH_R_NO_PRIVATE_VALUE), "no private value"}, + {ERR_REASON(ECDH_R_POINT_ARITHMETIC_FAILURE), "point arithmetic failure"}, + {0, NULL} +}; + +#endif + +void ERR_load_ECDH_strings(void) +{ +#ifndef OPENSSL_NO_ERR + + if (ERR_func_error_string(ECDH_str_functs[0].error) == NULL) { + ERR_load_strings(0, ECDH_str_functs); + ERR_load_strings(0, ECDH_str_reasons); + } +#endif +} diff --git a/thirdparty/openssl/crypto/ecdh/ech_kdf.c b/thirdparty/openssl/crypto/ecdh/ech_kdf.c new file mode 100644 index 0000000000..ac722ac9ee --- /dev/null +++ b/thirdparty/openssl/crypto/ecdh/ech_kdf.c @@ -0,0 +1,111 @@ +/* crypto/ecdh/ec_kdf.c */ +/* + * Written by Stephen Henson for the OpenSSL project. + */ +/* ==================================================================== + * Copyright (c) 2013 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. + * ==================================================================== + */ + +#define OPENSSL_FIPSAPI + +#include <string.h> +#include <openssl/ecdh.h> +#include <openssl/evp.h> + +/* Key derivation function from X9.62/SECG */ +/* Way more than we will ever need */ +#define ECDH_KDF_MAX (1 << 30) + +int ECDH_KDF_X9_62(unsigned char *out, size_t outlen, + const unsigned char *Z, size_t Zlen, + const unsigned char *sinfo, size_t sinfolen, + const EVP_MD *md) +{ + EVP_MD_CTX mctx; + int rv = 0; + unsigned int i; + size_t mdlen; + unsigned char ctr[4]; + if (sinfolen > ECDH_KDF_MAX || outlen > ECDH_KDF_MAX + || Zlen > ECDH_KDF_MAX) + return 0; + mdlen = EVP_MD_size(md); + EVP_MD_CTX_init(&mctx); + for (i = 1;; i++) { + unsigned char mtmp[EVP_MAX_MD_SIZE]; + EVP_DigestInit_ex(&mctx, md, NULL); + ctr[3] = i & 0xFF; + ctr[2] = (i >> 8) & 0xFF; + ctr[1] = (i >> 16) & 0xFF; + ctr[0] = (i >> 24) & 0xFF; + if (!EVP_DigestUpdate(&mctx, Z, Zlen)) + goto err; + if (!EVP_DigestUpdate(&mctx, ctr, sizeof(ctr))) + goto err; + if (!EVP_DigestUpdate(&mctx, sinfo, sinfolen)) + goto err; + if (outlen >= mdlen) { + if (!EVP_DigestFinal(&mctx, out, NULL)) + goto err; + outlen -= mdlen; + if (outlen == 0) + break; + out += mdlen; + } else { + if (!EVP_DigestFinal(&mctx, mtmp, NULL)) + goto err; + memcpy(out, mtmp, outlen); + OPENSSL_cleanse(mtmp, mdlen); + break; + } + } + rv = 1; + err: + EVP_MD_CTX_cleanup(&mctx); + return rv; +} diff --git a/thirdparty/openssl/crypto/ecdh/ech_key.c b/thirdparty/openssl/crypto/ecdh/ech_key.c new file mode 100644 index 0000000000..4f14498962 --- /dev/null +++ b/thirdparty/openssl/crypto/ecdh/ech_key.c @@ -0,0 +1,81 @@ +/* crypto/ecdh/ecdh_key.c */ +/* ==================================================================== + * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. + * + * The Elliptic Curve Public-Key Crypto Library (ECC Code) included + * herein is developed by SUN MICROSYSTEMS, INC., and is contributed + * to the OpenSSL project. + * + * The ECC Code is licensed pursuant to the OpenSSL open source + * license provided below. + * + * The ECDH software is originally written by Douglas Stebila of + * Sun Microsystems Laboratories. + * + */ +/* ==================================================================== + * Copyright (c) 1998-2003 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 "ech_locl.h" + +int ECDH_compute_key(void *out, size_t outlen, const EC_POINT *pub_key, + EC_KEY *eckey, + void *(*KDF) (const void *in, size_t inlen, void *out, + size_t *outlen)) +{ + ECDH_DATA *ecdh = ecdh_check(eckey); + if (ecdh == NULL) + return 0; + return ecdh->meth->compute_key(out, outlen, pub_key, eckey, KDF); +} diff --git a/thirdparty/openssl/crypto/ecdh/ech_lib.c b/thirdparty/openssl/crypto/ecdh/ech_lib.c new file mode 100644 index 0000000000..cbc21d1a27 --- /dev/null +++ b/thirdparty/openssl/crypto/ecdh/ech_lib.c @@ -0,0 +1,265 @@ +/* crypto/ecdh/ech_lib.c */ +/* ==================================================================== + * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. + * + * The Elliptic Curve Public-Key Crypto Library (ECC Code) included + * herein is developed by SUN MICROSYSTEMS, INC., and is contributed + * to the OpenSSL project. + * + * The ECC Code is licensed pursuant to the OpenSSL open source + * license provided below. + * + * The ECDH software is originally written by Douglas Stebila of + * Sun Microsystems Laboratories. + * + */ +/* ==================================================================== + * Copyright (c) 1998-2003 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 "ech_locl.h" +#include <string.h> +#ifndef OPENSSL_NO_ENGINE +# include <openssl/engine.h> +#endif +#include <openssl/err.h> +#ifdef OPENSSL_FIPS +# include <openssl/fips.h> +#endif + +const char ECDH_version[] = "ECDH" OPENSSL_VERSION_PTEXT; + +static const ECDH_METHOD *default_ECDH_method = NULL; + +static void *ecdh_data_new(void); +static void *ecdh_data_dup(void *); +static void ecdh_data_free(void *); + +void ECDH_set_default_method(const ECDH_METHOD *meth) +{ + default_ECDH_method = meth; +} + +const ECDH_METHOD *ECDH_get_default_method(void) +{ + if (!default_ECDH_method) { +#ifdef OPENSSL_FIPS + if (FIPS_mode()) + return FIPS_ecdh_openssl(); + else + return ECDH_OpenSSL(); +#else + default_ECDH_method = ECDH_OpenSSL(); +#endif + } + return default_ECDH_method; +} + +int ECDH_set_method(EC_KEY *eckey, const ECDH_METHOD *meth) +{ + ECDH_DATA *ecdh; + + ecdh = ecdh_check(eckey); + + if (ecdh == NULL) + return 0; + +#if 0 + mtmp = ecdh->meth; + if (mtmp->finish) + mtmp->finish(eckey); +#endif +#ifndef OPENSSL_NO_ENGINE + if (ecdh->engine) { + ENGINE_finish(ecdh->engine); + ecdh->engine = NULL; + } +#endif + ecdh->meth = meth; +#if 0 + if (meth->init) + meth->init(eckey); +#endif + return 1; +} + +static ECDH_DATA *ECDH_DATA_new_method(ENGINE *engine) +{ + ECDH_DATA *ret; + + ret = (ECDH_DATA *)OPENSSL_malloc(sizeof(ECDH_DATA)); + if (ret == NULL) { + ECDHerr(ECDH_F_ECDH_DATA_NEW_METHOD, ERR_R_MALLOC_FAILURE); + return (NULL); + } + + ret->init = NULL; + + ret->meth = ECDH_get_default_method(); + ret->engine = engine; +#ifndef OPENSSL_NO_ENGINE + if (!ret->engine) + ret->engine = ENGINE_get_default_ECDH(); + if (ret->engine) { + ret->meth = ENGINE_get_ECDH(ret->engine); + if (!ret->meth) { + ECDHerr(ECDH_F_ECDH_DATA_NEW_METHOD, ERR_R_ENGINE_LIB); + ENGINE_finish(ret->engine); + OPENSSL_free(ret); + return NULL; + } + } +#endif + + ret->flags = ret->meth->flags; + CRYPTO_new_ex_data(CRYPTO_EX_INDEX_ECDH, ret, &ret->ex_data); +#if 0 + if ((ret->meth->init != NULL) && !ret->meth->init(ret)) { + CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDH, ret, &ret->ex_data); + OPENSSL_free(ret); + ret = NULL; + } +#endif + return (ret); +} + +static void *ecdh_data_new(void) +{ + return (void *)ECDH_DATA_new_method(NULL); +} + +static void *ecdh_data_dup(void *data) +{ + ECDH_DATA *r = (ECDH_DATA *)data; + + /* XXX: dummy operation */ + if (r == NULL) + return NULL; + + return (void *)ecdh_data_new(); +} + +void ecdh_data_free(void *data) +{ + ECDH_DATA *r = (ECDH_DATA *)data; + +#ifndef OPENSSL_NO_ENGINE + if (r->engine) + ENGINE_finish(r->engine); +#endif + + CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDH, r, &r->ex_data); + + OPENSSL_cleanse((void *)r, sizeof(ECDH_DATA)); + + OPENSSL_free(r); +} + +ECDH_DATA *ecdh_check(EC_KEY *key) +{ + ECDH_DATA *ecdh_data; + + void *data = EC_KEY_get_key_method_data(key, ecdh_data_dup, + ecdh_data_free, ecdh_data_free); + if (data == NULL) { + ecdh_data = (ECDH_DATA *)ecdh_data_new(); + if (ecdh_data == NULL) + return NULL; + data = EC_KEY_insert_key_method_data(key, (void *)ecdh_data, + ecdh_data_dup, ecdh_data_free, + ecdh_data_free); + if (data != NULL) { + /* + * Another thread raced us to install the key_method data and + * won. + */ + ecdh_data_free(ecdh_data); + ecdh_data = (ECDH_DATA *)data; + } + } else + ecdh_data = (ECDH_DATA *)data; +#ifdef OPENSSL_FIPS + if (FIPS_mode() && !(ecdh_data->flags & ECDH_FLAG_FIPS_METHOD) + && !(EC_KEY_get_flags(key) & EC_FLAG_NON_FIPS_ALLOW)) { + ECDHerr(ECDH_F_ECDH_CHECK, ECDH_R_NON_FIPS_METHOD); + return NULL; + } +#endif + + return ecdh_data; +} + +int ECDH_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, + CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) +{ + return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_ECDH, argl, argp, + new_func, dup_func, free_func); +} + +int ECDH_set_ex_data(EC_KEY *d, int idx, void *arg) +{ + ECDH_DATA *ecdh; + ecdh = ecdh_check(d); + if (ecdh == NULL) + return 0; + return (CRYPTO_set_ex_data(&ecdh->ex_data, idx, arg)); +} + +void *ECDH_get_ex_data(EC_KEY *d, int idx) +{ + ECDH_DATA *ecdh; + ecdh = ecdh_check(d); + if (ecdh == NULL) + return NULL; + return (CRYPTO_get_ex_data(&ecdh->ex_data, idx)); +} diff --git a/thirdparty/openssl/crypto/ecdh/ech_locl.h b/thirdparty/openssl/crypto/ecdh/ech_locl.h new file mode 100644 index 0000000000..4e66024c75 --- /dev/null +++ b/thirdparty/openssl/crypto/ecdh/ech_locl.h @@ -0,0 +1,104 @@ +/* crypto/ecdh/ech_locl.h */ +/* ==================================================================== + * Copyright (c) 2000-2005 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). + * + */ + +#ifndef HEADER_ECH_LOCL_H +# define HEADER_ECH_LOCL_H + +# include <openssl/ecdh.h> + +#ifdef __cplusplus +extern "C" { +#endif + +struct ecdh_method { + const char *name; + int (*compute_key) (void *key, size_t outlen, const EC_POINT *pub_key, + EC_KEY *ecdh, void *(*KDF) (const void *in, + size_t inlen, void *out, + size_t *outlen)); +# if 0 + int (*init) (EC_KEY *eckey); + int (*finish) (EC_KEY *eckey); +# endif + int flags; + char *app_data; +}; + +/* + * If this flag is set the ECDH method is FIPS compliant and can be used in + * FIPS mode. This is set in the validated module method. If an application + * sets this flag in its own methods it is its responsibility to ensure the + * result is compliant. + */ + +# define ECDH_FLAG_FIPS_METHOD 0x1 + +typedef struct ecdh_data_st { + /* EC_KEY_METH_DATA part */ + int (*init) (EC_KEY *); + /* method specific part */ + ENGINE *engine; + int flags; + const ECDH_METHOD *meth; + CRYPTO_EX_DATA ex_data; +} ECDH_DATA; + +ECDH_DATA *ecdh_check(EC_KEY *); + +#ifdef __cplusplus +} +#endif + +#endif /* HEADER_ECH_LOCL_H */ diff --git a/thirdparty/openssl/crypto/ecdh/ech_ossl.c b/thirdparty/openssl/crypto/ecdh/ech_ossl.c new file mode 100644 index 0000000000..df115cc262 --- /dev/null +++ b/thirdparty/openssl/crypto/ecdh/ech_ossl.c @@ -0,0 +1,218 @@ +/* crypto/ecdh/ech_ossl.c */ +/* ==================================================================== + * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. + * + * The Elliptic Curve Public-Key Crypto Library (ECC Code) included + * herein is developed by SUN MICROSYSTEMS, INC., and is contributed + * to the OpenSSL project. + * + * The ECC Code is licensed pursuant to the OpenSSL open source + * license provided below. + * + * The ECDH software is originally written by Douglas Stebila of + * Sun Microsystems Laboratories. + * + */ +/* ==================================================================== + * Copyright (c) 1998-2003 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 <string.h> +#include <limits.h> + +#include "cryptlib.h" + +#include "ech_locl.h" +#include <openssl/err.h> +#include <openssl/sha.h> +#include <openssl/obj_mac.h> +#include <openssl/bn.h> + +static int ecdh_compute_key(void *out, size_t len, const EC_POINT *pub_key, + EC_KEY *ecdh, + void *(*KDF) (const void *in, size_t inlen, + void *out, size_t *outlen)); + +static ECDH_METHOD openssl_ecdh_meth = { + "OpenSSL ECDH method", + ecdh_compute_key, +#if 0 + NULL, /* init */ + NULL, /* finish */ +#endif + 0, /* flags */ + NULL /* app_data */ +}; + +const ECDH_METHOD *ECDH_OpenSSL(void) +{ + return &openssl_ecdh_meth; +} + +/*- + * This implementation is based on the following primitives in the IEEE 1363 standard: + * - ECKAS-DH1 + * - ECSVDP-DH + * Finally an optional KDF is applied. + */ +static int ecdh_compute_key(void *out, size_t outlen, const EC_POINT *pub_key, + EC_KEY *ecdh, + void *(*KDF) (const void *in, size_t inlen, + void *out, size_t *outlen)) +{ + BN_CTX *ctx; + EC_POINT *tmp = NULL; + BIGNUM *x = NULL, *y = NULL; + const BIGNUM *priv_key; + const EC_GROUP *group; + int ret = -1; + size_t buflen, len; + unsigned char *buf = NULL; + + if (outlen > INT_MAX) { + ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ERR_R_MALLOC_FAILURE); /* sort of, + * anyway */ + return -1; + } + + if ((ctx = BN_CTX_new()) == NULL) + goto err; + BN_CTX_start(ctx); + x = BN_CTX_get(ctx); + y = BN_CTX_get(ctx); + + priv_key = EC_KEY_get0_private_key(ecdh); + if (priv_key == NULL) { + ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ECDH_R_NO_PRIVATE_VALUE); + goto err; + } + + group = EC_KEY_get0_group(ecdh); + + if (EC_KEY_get_flags(ecdh) & EC_FLAG_COFACTOR_ECDH) { + if (!EC_GROUP_get_cofactor(group, x, ctx) || + !BN_mul(x, x, priv_key, ctx)) { + ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ERR_R_MALLOC_FAILURE); + goto err; + } + priv_key = x; + } + + if ((tmp = EC_POINT_new(group)) == NULL) { + ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ERR_R_MALLOC_FAILURE); + goto err; + } + + if (!EC_POINT_mul(group, tmp, NULL, pub_key, priv_key, ctx)) { + ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ECDH_R_POINT_ARITHMETIC_FAILURE); + goto err; + } + + if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == + NID_X9_62_prime_field) { + if (!EC_POINT_get_affine_coordinates_GFp(group, tmp, x, y, ctx)) { + ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ECDH_R_POINT_ARITHMETIC_FAILURE); + goto err; + } + } +#ifndef OPENSSL_NO_EC2M + else { + if (!EC_POINT_get_affine_coordinates_GF2m(group, tmp, x, y, ctx)) { + ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ECDH_R_POINT_ARITHMETIC_FAILURE); + goto err; + } + } +#endif + + buflen = (EC_GROUP_get_degree(group) + 7) / 8; + len = BN_num_bytes(x); + if (len > buflen) { + ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ERR_R_INTERNAL_ERROR); + goto err; + } + if ((buf = OPENSSL_malloc(buflen)) == NULL) { + ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ERR_R_MALLOC_FAILURE); + goto err; + } + + memset(buf, 0, buflen - len); + if (len != (size_t)BN_bn2bin(x, buf + buflen - len)) { + ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ERR_R_BN_LIB); + goto err; + } + + if (KDF != 0) { + if (KDF(buf, buflen, out, &outlen) == NULL) { + ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ECDH_R_KDF_FAILED); + goto err; + } + ret = outlen; + } else { + /* no KDF, just copy as much as we can */ + if (outlen > buflen) + outlen = buflen; + memcpy(out, buf, outlen); + ret = outlen; + } + + err: + if (tmp) + EC_POINT_free(tmp); + if (ctx) + BN_CTX_end(ctx); + if (ctx) + BN_CTX_free(ctx); + if (buf) + OPENSSL_free(buf); + return (ret); +} |