diff options
Diffstat (limited to 'openssl/crypto/ecdh/ech_lib.c')
-rw-r--r-- | openssl/crypto/ecdh/ech_lib.c | 268 |
1 files changed, 130 insertions, 138 deletions
diff --git a/openssl/crypto/ecdh/ech_lib.c b/openssl/crypto/ecdh/ech_lib.c index 0644431b7..cbc21d1a2 100644 --- a/openssl/crypto/ecdh/ech_lib.c +++ b/openssl/crypto/ecdh/ech_lib.c @@ -21,7 +21,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * 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 @@ -70,204 +70,196 @@ #include "ech_locl.h" #include <string.h> #ifndef OPENSSL_NO_ENGINE -#include <openssl/engine.h> +# include <openssl/engine.h> #endif #include <openssl/err.h> #ifdef OPENSSL_FIPS -#include <openssl/fips.h> +# include <openssl/fips.h> #endif -const char ECDH_version[]="ECDH" OPENSSL_VERSION_PTEXT; +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 *); +static void ecdh_data_free(void *); void ECDH_set_default_method(const ECDH_METHOD *meth) - { - default_ECDH_method = meth; - } +{ + default_ECDH_method = meth; +} const ECDH_METHOD *ECDH_get_default_method(void) - { - if(!default_ECDH_method) - { +{ + if (!default_ECDH_method) { #ifdef OPENSSL_FIPS - if (FIPS_mode()) - return FIPS_ecdh_openssl(); - else - return ECDH_OpenSSL(); + if (FIPS_mode()) + return FIPS_ecdh_openssl(); + else + return ECDH_OpenSSL(); #else - default_ECDH_method = ECDH_OpenSSL(); + default_ECDH_method = ECDH_OpenSSL(); #endif - } - return default_ECDH_method; - } + } + return default_ECDH_method; +} int ECDH_set_method(EC_KEY *eckey, const ECDH_METHOD *meth) - { - ECDH_DATA *ecdh; +{ + ECDH_DATA *ecdh; - ecdh = ecdh_check(eckey); + ecdh = ecdh_check(eckey); - if (ecdh == NULL) - return 0; + if (ecdh == NULL) + return 0; #if 0 - mtmp = ecdh->meth; - if (mtmp->finish) - mtmp->finish(eckey); + mtmp = ecdh->meth; + if (mtmp->finish) + mtmp->finish(eckey); #endif #ifndef OPENSSL_NO_ENGINE - if (ecdh->engine) - { - ENGINE_finish(ecdh->engine); - ecdh->engine = NULL; - } + if (ecdh->engine) { + ENGINE_finish(ecdh->engine); + ecdh->engine = NULL; + } #endif - ecdh->meth = meth; + ecdh->meth = meth; #if 0 - if (meth->init) - meth->init(eckey); + if (meth->init) + meth->init(eckey); #endif - return 1; - } + return 1; +} static ECDH_DATA *ECDH_DATA_new_method(ENGINE *engine) - { - ECDH_DATA *ret; +{ + 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 = (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->init = NULL; - ret->meth = ECDH_get_default_method(); - ret->engine = engine; + 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; - } - } + 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); + 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); - } + 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); - } +{ + return (void *)ECDH_DATA_new_method(NULL); +} static void *ecdh_data_dup(void *data) { - ECDH_DATA *r = (ECDH_DATA *)data; + ECDH_DATA *r = (ECDH_DATA *)data; - /* XXX: dummy operation */ - if (r == NULL) - return NULL; + /* XXX: dummy operation */ + if (r == NULL) + return NULL; - return (void *)ecdh_data_new(); + return (void *)ecdh_data_new(); } void ecdh_data_free(void *data) - { - ECDH_DATA *r = (ECDH_DATA *)data; +{ + ECDH_DATA *r = (ECDH_DATA *)data; #ifndef OPENSSL_NO_ENGINE - if (r->engine) - ENGINE_finish(r->engine); + if (r->engine) + ENGINE_finish(r->engine); #endif - CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDH, r, &r->ex_data); + CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDH, r, &r->ex_data); - OPENSSL_cleanse((void *)r, sizeof(ECDH_DATA)); + OPENSSL_cleanse((void *)r, sizeof(ECDH_DATA)); - OPENSSL_free(r); - } + 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; +{ + 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; - } + 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; - } + 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); - } + 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)); - } +{ + 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)); - } +{ + ECDH_DATA *ecdh; + ecdh = ecdh_check(d); + if (ecdh == NULL) + return NULL; + return (CRYPTO_get_ex_data(&ecdh->ex_data, idx)); +} |