diff options
Diffstat (limited to 'thirdparty/openssl/crypto/ecdsa')
| -rw-r--r-- | thirdparty/openssl/crypto/ecdsa/ecs_asn1.c | 67 | ||||
| -rw-r--r-- | thirdparty/openssl/crypto/ecdsa/ecs_err.c | 107 | ||||
| -rw-r--r-- | thirdparty/openssl/crypto/ecdsa/ecs_lib.c | 354 | ||||
| -rw-r--r-- | thirdparty/openssl/crypto/ecdsa/ecs_locl.h | 120 | ||||
| -rw-r--r-- | thirdparty/openssl/crypto/ecdsa/ecs_ossl.c | 464 | ||||
| -rw-r--r-- | thirdparty/openssl/crypto/ecdsa/ecs_sign.c | 106 | ||||
| -rw-r--r-- | thirdparty/openssl/crypto/ecdsa/ecs_vrf.c | 112 |
7 files changed, 1330 insertions, 0 deletions
diff --git a/thirdparty/openssl/crypto/ecdsa/ecs_asn1.c b/thirdparty/openssl/crypto/ecdsa/ecs_asn1.c new file mode 100644 index 0000000000..508b079f25 --- /dev/null +++ b/thirdparty/openssl/crypto/ecdsa/ecs_asn1.c @@ -0,0 +1,67 @@ +/* crypto/ecdsa/ecs_asn1.c */ +/* ==================================================================== + * Copyright (c) 2000-2002 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 "ecs_locl.h" +#include <openssl/err.h> +#include <openssl/asn1t.h> + +ASN1_SEQUENCE(ECDSA_SIG) = { + ASN1_SIMPLE(ECDSA_SIG, r, CBIGNUM), + ASN1_SIMPLE(ECDSA_SIG, s, CBIGNUM) +} ASN1_SEQUENCE_END(ECDSA_SIG) + +DECLARE_ASN1_FUNCTIONS_const(ECDSA_SIG) +DECLARE_ASN1_ENCODE_FUNCTIONS_const(ECDSA_SIG, ECDSA_SIG) +IMPLEMENT_ASN1_FUNCTIONS_const(ECDSA_SIG) diff --git a/thirdparty/openssl/crypto/ecdsa/ecs_err.c b/thirdparty/openssl/crypto/ecdsa/ecs_err.c new file mode 100644 index 0000000000..f1fa7b55f9 --- /dev/null +++ b/thirdparty/openssl/crypto/ecdsa/ecs_err.c @@ -0,0 +1,107 @@ +/* crypto/ecdsa/ecs_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/ecdsa.h> + +/* BEGIN ERROR CODES */ +#ifndef OPENSSL_NO_ERR + +# define ERR_FUNC(func) ERR_PACK(ERR_LIB_ECDSA,func,0) +# define ERR_REASON(reason) ERR_PACK(ERR_LIB_ECDSA,0,reason) + +static ERR_STRING_DATA ECDSA_str_functs[] = { + {ERR_FUNC(ECDSA_F_ECDSA_CHECK), "ECDSA_CHECK"}, + {ERR_FUNC(ECDSA_F_ECDSA_DATA_NEW_METHOD), "ECDSA_DATA_NEW_METHOD"}, + {ERR_FUNC(ECDSA_F_ECDSA_DO_SIGN), "ECDSA_do_sign"}, + {ERR_FUNC(ECDSA_F_ECDSA_DO_VERIFY), "ECDSA_do_verify"}, + {ERR_FUNC(ECDSA_F_ECDSA_METHOD_NEW), "ECDSA_METHOD_new"}, + {ERR_FUNC(ECDSA_F_ECDSA_SIGN_SETUP), "ECDSA_sign_setup"}, + {0, NULL} +}; + +static ERR_STRING_DATA ECDSA_str_reasons[] = { + {ERR_REASON(ECDSA_R_BAD_SIGNATURE), "bad signature"}, + {ERR_REASON(ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE), + "data too large for key size"}, + {ERR_REASON(ECDSA_R_ERR_EC_LIB), "err ec lib"}, + {ERR_REASON(ECDSA_R_MISSING_PARAMETERS), "missing parameters"}, + {ERR_REASON(ECDSA_R_NEED_NEW_SETUP_VALUES), "need new setup values"}, + {ERR_REASON(ECDSA_R_NON_FIPS_METHOD), "non fips method"}, + {ERR_REASON(ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED), + "random number generation failed"}, + {ERR_REASON(ECDSA_R_SIGNATURE_MALLOC_FAILED), "signature malloc failed"}, + {0, NULL} +}; + +#endif + +void ERR_load_ECDSA_strings(void) +{ +#ifndef OPENSSL_NO_ERR + + if (ERR_func_error_string(ECDSA_str_functs[0].error) == NULL) { + ERR_load_strings(0, ECDSA_str_functs); + ERR_load_strings(0, ECDSA_str_reasons); + } +#endif +} diff --git a/thirdparty/openssl/crypto/ecdsa/ecs_lib.c b/thirdparty/openssl/crypto/ecdsa/ecs_lib.c new file mode 100644 index 0000000000..8dc1dda462 --- /dev/null +++ b/thirdparty/openssl/crypto/ecdsa/ecs_lib.c @@ -0,0 +1,354 @@ +/* crypto/ecdsa/ecs_lib.c */ +/* ==================================================================== + * Copyright (c) 1998-2005 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 + * 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 "ecs_locl.h" +#ifndef OPENSSL_NO_ENGINE +# include <openssl/engine.h> +#endif +#include <openssl/err.h> +#include <openssl/bn.h> +#ifdef OPENSSL_FIPS +# include <openssl/fips.h> +#endif + +const char ECDSA_version[] = "ECDSA" OPENSSL_VERSION_PTEXT; + +static const ECDSA_METHOD *default_ECDSA_method = NULL; + +static void *ecdsa_data_new(void); +static void *ecdsa_data_dup(void *); +static void ecdsa_data_free(void *); + +void ECDSA_set_default_method(const ECDSA_METHOD *meth) +{ + default_ECDSA_method = meth; +} + +const ECDSA_METHOD *ECDSA_get_default_method(void) +{ + if (!default_ECDSA_method) { +#ifdef OPENSSL_FIPS + if (FIPS_mode()) + return FIPS_ecdsa_openssl(); + else + return ECDSA_OpenSSL(); +#else + default_ECDSA_method = ECDSA_OpenSSL(); +#endif + } + return default_ECDSA_method; +} + +int ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth) +{ + ECDSA_DATA *ecdsa; + + ecdsa = ecdsa_check(eckey); + + if (ecdsa == NULL) + return 0; + +#ifndef OPENSSL_NO_ENGINE + if (ecdsa->engine) { + ENGINE_finish(ecdsa->engine); + ecdsa->engine = NULL; + } +#endif + ecdsa->meth = meth; + + return 1; +} + +static ECDSA_DATA *ECDSA_DATA_new_method(ENGINE *engine) +{ + ECDSA_DATA *ret; + + ret = (ECDSA_DATA *)OPENSSL_malloc(sizeof(ECDSA_DATA)); + if (ret == NULL) { + ECDSAerr(ECDSA_F_ECDSA_DATA_NEW_METHOD, ERR_R_MALLOC_FAILURE); + return (NULL); + } + + ret->init = NULL; + + ret->meth = ECDSA_get_default_method(); + ret->engine = engine; +#ifndef OPENSSL_NO_ENGINE + if (!ret->engine) + ret->engine = ENGINE_get_default_ECDSA(); + if (ret->engine) { + ret->meth = ENGINE_get_ECDSA(ret->engine); + if (!ret->meth) { + ECDSAerr(ECDSA_F_ECDSA_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_ECDSA, ret, &ret->ex_data); +#if 0 + if ((ret->meth->init != NULL) && !ret->meth->init(ret)) { + CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDSA, ret, &ret->ex_data); + OPENSSL_free(ret); + ret = NULL; + } +#endif + return (ret); +} + +static void *ecdsa_data_new(void) +{ + return (void *)ECDSA_DATA_new_method(NULL); +} + +static void *ecdsa_data_dup(void *data) +{ + ECDSA_DATA *r = (ECDSA_DATA *)data; + + /* XXX: dummy operation */ + if (r == NULL) + return NULL; + + return ecdsa_data_new(); +} + +static void ecdsa_data_free(void *data) +{ + ECDSA_DATA *r = (ECDSA_DATA *)data; + +#ifndef OPENSSL_NO_ENGINE + if (r->engine) + ENGINE_finish(r->engine); +#endif + CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDSA, r, &r->ex_data); + + OPENSSL_cleanse((void *)r, sizeof(ECDSA_DATA)); + + OPENSSL_free(r); +} + +ECDSA_DATA *ecdsa_check(EC_KEY *key) +{ + ECDSA_DATA *ecdsa_data; + + void *data = EC_KEY_get_key_method_data(key, ecdsa_data_dup, + ecdsa_data_free, ecdsa_data_free); + if (data == NULL) { + ecdsa_data = (ECDSA_DATA *)ecdsa_data_new(); + if (ecdsa_data == NULL) + return NULL; + data = EC_KEY_insert_key_method_data(key, (void *)ecdsa_data, + ecdsa_data_dup, ecdsa_data_free, + ecdsa_data_free); + if (data != NULL) { + /* + * Another thread raced us to install the key_method data and + * won. + */ + ecdsa_data_free(ecdsa_data); + ecdsa_data = (ECDSA_DATA *)data; + } + } else + ecdsa_data = (ECDSA_DATA *)data; +#ifdef OPENSSL_FIPS + if (FIPS_mode() && !(ecdsa_data->flags & ECDSA_FLAG_FIPS_METHOD) + && !(EC_KEY_get_flags(key) & EC_FLAG_NON_FIPS_ALLOW)) { + ECDSAerr(ECDSA_F_ECDSA_CHECK, ECDSA_R_NON_FIPS_METHOD); + return NULL; + } +#endif + + return ecdsa_data; +} + +int ECDSA_size(const EC_KEY *r) +{ + int ret, i; + ASN1_INTEGER bs; + BIGNUM *order = NULL; + unsigned char buf[4]; + const EC_GROUP *group; + + if (r == NULL) + return 0; + group = EC_KEY_get0_group(r); + if (group == NULL) + return 0; + + if ((order = BN_new()) == NULL) + return 0; + if (!EC_GROUP_get_order(group, order, NULL)) { + BN_clear_free(order); + return 0; + } + i = BN_num_bits(order); + bs.length = (i + 7) / 8; + bs.data = buf; + bs.type = V_ASN1_INTEGER; + /* If the top bit is set the asn1 encoding is 1 larger. */ + buf[0] = 0xff; + + i = i2d_ASN1_INTEGER(&bs, NULL); + i += i; /* r and s */ + ret = ASN1_object_size(1, i, V_ASN1_SEQUENCE); + BN_clear_free(order); + return (ret); +} + +int ECDSA_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_ECDSA, argl, argp, + new_func, dup_func, free_func); +} + +int ECDSA_set_ex_data(EC_KEY *d, int idx, void *arg) +{ + ECDSA_DATA *ecdsa; + ecdsa = ecdsa_check(d); + if (ecdsa == NULL) + return 0; + return (CRYPTO_set_ex_data(&ecdsa->ex_data, idx, arg)); +} + +void *ECDSA_get_ex_data(EC_KEY *d, int idx) +{ + ECDSA_DATA *ecdsa; + ecdsa = ecdsa_check(d); + if (ecdsa == NULL) + return NULL; + return (CRYPTO_get_ex_data(&ecdsa->ex_data, idx)); +} + +ECDSA_METHOD *ECDSA_METHOD_new(const ECDSA_METHOD *ecdsa_meth) +{ + ECDSA_METHOD *ret; + + ret = OPENSSL_malloc(sizeof(ECDSA_METHOD)); + if (ret == NULL) { + ECDSAerr(ECDSA_F_ECDSA_METHOD_NEW, ERR_R_MALLOC_FAILURE); + return NULL; + } + + if (ecdsa_meth) + *ret = *ecdsa_meth; + else { + ret->ecdsa_sign_setup = 0; + ret->ecdsa_do_sign = 0; + ret->ecdsa_do_verify = 0; + ret->name = NULL; + ret->flags = 0; + } + ret->flags |= ECDSA_METHOD_FLAG_ALLOCATED; + return ret; +} + +void ECDSA_METHOD_set_sign(ECDSA_METHOD *ecdsa_method, + ECDSA_SIG *(*ecdsa_do_sign) (const unsigned char + *dgst, int dgst_len, + const BIGNUM *inv, + const BIGNUM *rp, + EC_KEY *eckey)) +{ + ecdsa_method->ecdsa_do_sign = ecdsa_do_sign; +} + +void ECDSA_METHOD_set_sign_setup(ECDSA_METHOD *ecdsa_method, + int (*ecdsa_sign_setup) (EC_KEY *eckey, + BN_CTX *ctx, + BIGNUM **kinv, + BIGNUM **r)) +{ + ecdsa_method->ecdsa_sign_setup = ecdsa_sign_setup; +} + +void ECDSA_METHOD_set_verify(ECDSA_METHOD *ecdsa_method, + int (*ecdsa_do_verify) (const unsigned char + *dgst, int dgst_len, + const ECDSA_SIG *sig, + EC_KEY *eckey)) +{ + ecdsa_method->ecdsa_do_verify = ecdsa_do_verify; +} + +void ECDSA_METHOD_set_flags(ECDSA_METHOD *ecdsa_method, int flags) +{ + ecdsa_method->flags = flags | ECDSA_METHOD_FLAG_ALLOCATED; +} + +void ECDSA_METHOD_set_name(ECDSA_METHOD *ecdsa_method, char *name) +{ + ecdsa_method->name = name; +} + +void ECDSA_METHOD_free(ECDSA_METHOD *ecdsa_method) +{ + if (ecdsa_method->flags & ECDSA_METHOD_FLAG_ALLOCATED) + OPENSSL_free(ecdsa_method); +} + +void ECDSA_METHOD_set_app_data(ECDSA_METHOD *ecdsa_method, void *app) +{ + ecdsa_method->app_data = app; +} + +void *ECDSA_METHOD_get_app_data(ECDSA_METHOD *ecdsa_method) +{ + return ecdsa_method->app_data; +} diff --git a/thirdparty/openssl/crypto/ecdsa/ecs_locl.h b/thirdparty/openssl/crypto/ecdsa/ecs_locl.h new file mode 100644 index 0000000000..d3a5efc547 --- /dev/null +++ b/thirdparty/openssl/crypto/ecdsa/ecs_locl.h @@ -0,0 +1,120 @@ +/* crypto/ecdsa/ecs_locl.h */ +/* + * Written by Nils Larsch for the OpenSSL project + */ +/* ==================================================================== + * 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_ECS_LOCL_H +# define HEADER_ECS_LOCL_H + +# include <openssl/ecdsa.h> + +#ifdef __cplusplus +extern "C" { +#endif + +struct ecdsa_method { + const char *name; + ECDSA_SIG *(*ecdsa_do_sign) (const unsigned char *dgst, int dgst_len, + const BIGNUM *inv, const BIGNUM *rp, + EC_KEY *eckey); + int (*ecdsa_sign_setup) (EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv, + BIGNUM **r); + int (*ecdsa_do_verify) (const unsigned char *dgst, int dgst_len, + const ECDSA_SIG *sig, EC_KEY *eckey); +# if 0 + int (*init) (EC_KEY *eckey); + int (*finish) (EC_KEY *eckey); +# endif + int flags; + void *app_data; +}; + +/* The ECDSA_METHOD was allocated and can be freed */ + +# define ECDSA_METHOD_FLAG_ALLOCATED 0x2 + +/* + * If this flag is set the ECDSA 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 ECDSA_FLAG_FIPS_METHOD 0x1 + +typedef struct ecdsa_data_st { + /* EC_KEY_METH_DATA part */ + int (*init) (EC_KEY *); + /* method (ECDSA) specific part */ + ENGINE *engine; + int flags; + const ECDSA_METHOD *meth; + CRYPTO_EX_DATA ex_data; +} ECDSA_DATA; + +/** ecdsa_check + * checks whether ECKEY->meth_data is a pointer to a ECDSA_DATA structure + * and if not it removes the old meth_data and creates a ECDSA_DATA structure. + * \param eckey pointer to a EC_KEY object + * \return pointer to a ECDSA_DATA structure + */ +ECDSA_DATA *ecdsa_check(EC_KEY *eckey); + +#ifdef __cplusplus +} +#endif + +#endif /* HEADER_ECS_LOCL_H */ diff --git a/thirdparty/openssl/crypto/ecdsa/ecs_ossl.c b/thirdparty/openssl/crypto/ecdsa/ecs_ossl.c new file mode 100644 index 0000000000..dd769609be --- /dev/null +++ b/thirdparty/openssl/crypto/ecdsa/ecs_ossl.c @@ -0,0 +1,464 @@ +/* crypto/ecdsa/ecs_ossl.c */ +/* + * Written by Nils Larsch for the OpenSSL project + */ +/* ==================================================================== + * Copyright (c) 1998-2004 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 "ecs_locl.h" +#include <openssl/err.h> +#include <openssl/obj_mac.h> +#include <openssl/bn.h> + +static ECDSA_SIG *ecdsa_do_sign(const unsigned char *dgst, int dlen, + const BIGNUM *, const BIGNUM *, + EC_KEY *eckey); +static int ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp, + BIGNUM **rp); +static int ecdsa_do_verify(const unsigned char *dgst, int dgst_len, + const ECDSA_SIG *sig, EC_KEY *eckey); + +static ECDSA_METHOD openssl_ecdsa_meth = { + "OpenSSL ECDSA method", + ecdsa_do_sign, + ecdsa_sign_setup, + ecdsa_do_verify, +#if 0 + NULL, /* init */ + NULL, /* finish */ +#endif + 0, /* flags */ + NULL /* app_data */ +}; + +const ECDSA_METHOD *ECDSA_OpenSSL(void) +{ + return &openssl_ecdsa_meth; +} + +static int ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp, + BIGNUM **rp) +{ + BN_CTX *ctx = NULL; + BIGNUM *k = NULL, *r = NULL, *order = NULL, *X = NULL; + EC_POINT *tmp_point = NULL; + const EC_GROUP *group; + int ret = 0; + + if (eckey == NULL || (group = EC_KEY_get0_group(eckey)) == NULL) { + ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_PASSED_NULL_PARAMETER); + return 0; + } + + if (ctx_in == NULL) { + if ((ctx = BN_CTX_new()) == NULL) { + ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_MALLOC_FAILURE); + return 0; + } + } else + ctx = ctx_in; + + k = BN_new(); /* this value is later returned in *kinvp */ + r = BN_new(); /* this value is later returned in *rp */ + order = BN_new(); + X = BN_new(); + if (!k || !r || !order || !X) { + ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_MALLOC_FAILURE); + goto err; + } + if ((tmp_point = EC_POINT_new(group)) == NULL) { + ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB); + goto err; + } + if (!EC_GROUP_get_order(group, order, ctx)) { + ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB); + goto err; + } + + do { + /* get random k */ + do + if (!BN_rand_range(k, order)) { + ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, + ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED); + goto err; + } + while (BN_is_zero(k)) ; + + /* + * We do not want timing information to leak the length of k, so we + * compute G*k using an equivalent scalar of fixed bit-length. + */ + + if (!BN_add(k, k, order)) + goto err; + if (BN_num_bits(k) <= BN_num_bits(order)) + if (!BN_add(k, k, order)) + goto err; + + /* compute r the x-coordinate of generator * k */ + if (!EC_POINT_mul(group, tmp_point, k, NULL, NULL, ctx)) { + ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB); + 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_point, X, NULL, ctx)) { + ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB); + goto err; + } + } +#ifndef OPENSSL_NO_EC2M + else { /* NID_X9_62_characteristic_two_field */ + + if (!EC_POINT_get_affine_coordinates_GF2m(group, + tmp_point, X, NULL, + ctx)) { + ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB); + goto err; + } + } +#endif + if (!BN_nnmod(r, X, order, ctx)) { + ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB); + goto err; + } + } + while (BN_is_zero(r)); + + /* compute the inverse of k */ + if (EC_GROUP_get_mont_data(group) != NULL) { + /* + * We want inverse in constant time, therefore we utilize the fact + * order must be prime and use Fermats Little Theorem instead. + */ + if (!BN_set_word(X, 2)) { + ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB); + goto err; + } + if (!BN_mod_sub(X, order, X, order, ctx)) { + ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB); + goto err; + } + BN_set_flags(X, BN_FLG_CONSTTIME); + if (!BN_mod_exp_mont_consttime + (k, k, X, order, ctx, EC_GROUP_get_mont_data(group))) { + ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB); + goto err; + } + } else { + if (!BN_mod_inverse(k, k, order, ctx)) { + ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB); + goto err; + } + } + + /* clear old values if necessary */ + if (*rp != NULL) + BN_clear_free(*rp); + if (*kinvp != NULL) + BN_clear_free(*kinvp); + /* save the pre-computed values */ + *rp = r; + *kinvp = k; + ret = 1; + err: + if (!ret) { + if (k != NULL) + BN_clear_free(k); + if (r != NULL) + BN_clear_free(r); + } + if (ctx_in == NULL) + BN_CTX_free(ctx); + if (order != NULL) + BN_free(order); + if (tmp_point != NULL) + EC_POINT_free(tmp_point); + if (X) + BN_clear_free(X); + return (ret); +} + +static ECDSA_SIG *ecdsa_do_sign(const unsigned char *dgst, int dgst_len, + const BIGNUM *in_kinv, const BIGNUM *in_r, + EC_KEY *eckey) +{ + int ok = 0, i; + BIGNUM *kinv = NULL, *s, *m = NULL, *tmp = NULL, *order = NULL; + const BIGNUM *ckinv; + BN_CTX *ctx = NULL; + const EC_GROUP *group; + ECDSA_SIG *ret; + ECDSA_DATA *ecdsa; + const BIGNUM *priv_key; + + ecdsa = ecdsa_check(eckey); + group = EC_KEY_get0_group(eckey); + priv_key = EC_KEY_get0_private_key(eckey); + + if (group == NULL || priv_key == NULL || ecdsa == NULL) { + ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_PASSED_NULL_PARAMETER); + return NULL; + } + + ret = ECDSA_SIG_new(); + if (!ret) { + ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE); + return NULL; + } + s = ret->s; + + if ((ctx = BN_CTX_new()) == NULL || (order = BN_new()) == NULL || + (tmp = BN_new()) == NULL || (m = BN_new()) == NULL) { + ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE); + goto err; + } + + if (!EC_GROUP_get_order(group, order, ctx)) { + ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_EC_LIB); + goto err; + } + i = BN_num_bits(order); + /* + * Need to truncate digest if it is too long: first truncate whole bytes. + */ + if (8 * dgst_len > i) + dgst_len = (i + 7) / 8; + if (!BN_bin2bn(dgst, dgst_len, m)) { + ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB); + goto err; + } + /* If still too long truncate remaining bits with a shift */ + if ((8 * dgst_len > i) && !BN_rshift(m, m, 8 - (i & 0x7))) { + ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB); + goto err; + } + do { + if (in_kinv == NULL || in_r == NULL) { + if (!ECDSA_sign_setup(eckey, ctx, &kinv, &ret->r)) { + ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_ECDSA_LIB); + goto err; + } + ckinv = kinv; + } else { + ckinv = in_kinv; + if (BN_copy(ret->r, in_r) == NULL) { + ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE); + goto err; + } + } + + if (!BN_mod_mul(tmp, priv_key, ret->r, order, ctx)) { + ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB); + goto err; + } + if (!BN_mod_add_quick(s, tmp, m, order)) { + ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB); + goto err; + } + if (!BN_mod_mul(s, s, ckinv, order, ctx)) { + ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB); + goto err; + } + if (BN_is_zero(s)) { + /* + * if kinv and r have been supplied by the caller don't to + * generate new kinv and r values + */ + if (in_kinv != NULL && in_r != NULL) { + ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, + ECDSA_R_NEED_NEW_SETUP_VALUES); + goto err; + } + } else + /* s != 0 => we have a valid signature */ + break; + } + while (1); + + ok = 1; + err: + if (!ok) { + ECDSA_SIG_free(ret); + ret = NULL; + } + if (ctx) + BN_CTX_free(ctx); + if (m) + BN_clear_free(m); + if (tmp) + BN_clear_free(tmp); + if (order) + BN_free(order); + if (kinv) + BN_clear_free(kinv); + return ret; +} + +static int ecdsa_do_verify(const unsigned char *dgst, int dgst_len, + const ECDSA_SIG *sig, EC_KEY *eckey) +{ + int ret = -1, i; + BN_CTX *ctx; + BIGNUM *order, *u1, *u2, *m, *X; + EC_POINT *point = NULL; + const EC_GROUP *group; + const EC_POINT *pub_key; + + /* check input values */ + if (eckey == NULL || (group = EC_KEY_get0_group(eckey)) == NULL || + (pub_key = EC_KEY_get0_public_key(eckey)) == NULL || sig == NULL) { + ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_MISSING_PARAMETERS); + return -1; + } + + ctx = BN_CTX_new(); + if (!ctx) { + ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_MALLOC_FAILURE); + return -1; + } + BN_CTX_start(ctx); + order = BN_CTX_get(ctx); + u1 = BN_CTX_get(ctx); + u2 = BN_CTX_get(ctx); + m = BN_CTX_get(ctx); + X = BN_CTX_get(ctx); + if (!X) { + ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB); + goto err; + } + + if (!EC_GROUP_get_order(group, order, ctx)) { + ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB); + goto err; + } + + if (BN_is_zero(sig->r) || BN_is_negative(sig->r) || + BN_ucmp(sig->r, order) >= 0 || BN_is_zero(sig->s) || + BN_is_negative(sig->s) || BN_ucmp(sig->s, order) >= 0) { + ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_BAD_SIGNATURE); + ret = 0; /* signature is invalid */ + goto err; + } + /* calculate tmp1 = inv(S) mod order */ + if (!BN_mod_inverse(u2, sig->s, order, ctx)) { + ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB); + goto err; + } + /* digest -> m */ + i = BN_num_bits(order); + /* + * Need to truncate digest if it is too long: first truncate whole bytes. + */ + if (8 * dgst_len > i) + dgst_len = (i + 7) / 8; + if (!BN_bin2bn(dgst, dgst_len, m)) { + ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB); + goto err; + } + /* If still too long truncate remaining bits with a shift */ + if ((8 * dgst_len > i) && !BN_rshift(m, m, 8 - (i & 0x7))) { + ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB); + goto err; + } + /* u1 = m * tmp mod order */ + if (!BN_mod_mul(u1, m, u2, order, ctx)) { + ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB); + goto err; + } + /* u2 = r * w mod q */ + if (!BN_mod_mul(u2, sig->r, u2, order, ctx)) { + ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB); + goto err; + } + + if ((point = EC_POINT_new(group)) == NULL) { + ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_MALLOC_FAILURE); + goto err; + } + if (!EC_POINT_mul(group, point, u1, pub_key, u2, ctx)) { + ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB); + 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, point, X, NULL, ctx)) { + ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB); + goto err; + } + } +#ifndef OPENSSL_NO_EC2M + else { /* NID_X9_62_characteristic_two_field */ + + if (!EC_POINT_get_affine_coordinates_GF2m(group, point, X, NULL, ctx)) { + ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB); + goto err; + } + } +#endif + if (!BN_nnmod(u1, X, order, ctx)) { + ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB); + goto err; + } + /* if the signature is correct u1 is equal to sig->r */ + ret = (BN_ucmp(u1, sig->r) == 0); + err: + BN_CTX_end(ctx); + BN_CTX_free(ctx); + if (point) + EC_POINT_free(point); + return ret; +} diff --git a/thirdparty/openssl/crypto/ecdsa/ecs_sign.c b/thirdparty/openssl/crypto/ecdsa/ecs_sign.c new file mode 100644 index 0000000000..28652d455d --- /dev/null +++ b/thirdparty/openssl/crypto/ecdsa/ecs_sign.c @@ -0,0 +1,106 @@ +/* crypto/ecdsa/ecdsa_sign.c */ +/* ==================================================================== + * Copyright (c) 1998-2002 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 "ecs_locl.h" +#ifndef OPENSSL_NO_ENGINE +# include <openssl/engine.h> +#endif +#include <openssl/rand.h> + +ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey) +{ + return ECDSA_do_sign_ex(dgst, dlen, NULL, NULL, eckey); +} + +ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dlen, + const BIGNUM *kinv, const BIGNUM *rp, + EC_KEY *eckey) +{ + ECDSA_DATA *ecdsa = ecdsa_check(eckey); + if (ecdsa == NULL) + return NULL; + return ecdsa->meth->ecdsa_do_sign(dgst, dlen, kinv, rp, eckey); +} + +int ECDSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char + *sig, unsigned int *siglen, EC_KEY *eckey) +{ + return ECDSA_sign_ex(type, dgst, dlen, sig, siglen, NULL, NULL, eckey); +} + +int ECDSA_sign_ex(int type, const unsigned char *dgst, int dlen, unsigned char + *sig, unsigned int *siglen, const BIGNUM *kinv, + const BIGNUM *r, EC_KEY *eckey) +{ + ECDSA_SIG *s; + RAND_seed(dgst, dlen); + s = ECDSA_do_sign_ex(dgst, dlen, kinv, r, eckey); + if (s == NULL) { + *siglen = 0; + return 0; + } + *siglen = i2d_ECDSA_SIG(s, &sig); + ECDSA_SIG_free(s); + return 1; +} + +int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp, + BIGNUM **rp) +{ + ECDSA_DATA *ecdsa = ecdsa_check(eckey); + if (ecdsa == NULL) + return 0; + return ecdsa->meth->ecdsa_sign_setup(eckey, ctx_in, kinvp, rp); +} diff --git a/thirdparty/openssl/crypto/ecdsa/ecs_vrf.c b/thirdparty/openssl/crypto/ecdsa/ecs_vrf.c new file mode 100644 index 0000000000..e909aeb400 --- /dev/null +++ b/thirdparty/openssl/crypto/ecdsa/ecs_vrf.c @@ -0,0 +1,112 @@ +/* crypto/ecdsa/ecdsa_vrf.c */ +/* + * Written by Nils Larsch for the OpenSSL project + */ +/* ==================================================================== + * Copyright (c) 1998-2002 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 "ecs_locl.h" +#include <string.h> +#ifndef OPENSSL_NO_ENGINE +# include <openssl/engine.h> +#endif + +/*- + * returns + * 1: correct signature + * 0: incorrect signature + * -1: error + */ +int ECDSA_do_verify(const unsigned char *dgst, int dgst_len, + const ECDSA_SIG *sig, EC_KEY *eckey) +{ + ECDSA_DATA *ecdsa = ecdsa_check(eckey); + if (ecdsa == NULL) + return 0; + return ecdsa->meth->ecdsa_do_verify(dgst, dgst_len, sig, eckey); +} + +/*- + * returns + * 1: correct signature + * 0: incorrect signature + * -1: error + */ +int ECDSA_verify(int type, const unsigned char *dgst, int dgst_len, + const unsigned char *sigbuf, int sig_len, EC_KEY *eckey) +{ + ECDSA_SIG *s; + const unsigned char *p = sigbuf; + unsigned char *der = NULL; + int derlen = -1; + int ret = -1; + + s = ECDSA_SIG_new(); + if (s == NULL) + return (ret); + if (d2i_ECDSA_SIG(&s, &p, sig_len) == NULL) + goto err; + /* Ensure signature uses DER and doesn't have trailing garbage */ + derlen = i2d_ECDSA_SIG(s, &der); + if (derlen != sig_len || memcmp(sigbuf, der, derlen)) + goto err; + ret = ECDSA_do_verify(dgst, dgst_len, s, eckey); + err: + if (derlen > 0) { + OPENSSL_cleanse(der, derlen); + OPENSSL_free(der); + } + ECDSA_SIG_free(s); + return (ret); +} |