diff options
Diffstat (limited to 'crypto/rand/rand_lib.c')
| -rw-r--r-- | crypto/rand/rand_lib.c | 285 |
1 files changed, 138 insertions, 147 deletions
diff --git a/crypto/rand/rand_lib.c b/crypto/rand/rand_lib.c index da6b4e0e862f..96997bd4ee2f 100644 --- a/crypto/rand/rand_lib.c +++ b/crypto/rand/rand_lib.c @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,7 +49,7 @@ * 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. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence @@ -62,12 +62,12 @@ #include <openssl/rand.h> #include "rand_lcl.h" #ifdef OPENSSL_FIPS -#include <openssl/fips.h> -#include <openssl/fips_rand.h> +# include <openssl/fips.h> +# include <openssl/fips_rand.h> #endif #ifndef OPENSSL_NO_ENGINE -#include <openssl/engine.h> +# include <openssl/engine.h> #endif static const RAND_METHOD *default_RAND_meth = NULL; @@ -75,171 +75,162 @@ static const RAND_METHOD *default_RAND_meth = NULL; #ifdef OPENSSL_FIPS static int fips_RAND_set_rand_method(const RAND_METHOD *meth, - const RAND_METHOD **pmeth) - { - *pmeth = meth; - return 1; - } + const RAND_METHOD **pmeth) +{ + *pmeth = meth; + return 1; +} static const RAND_METHOD *fips_RAND_get_rand_method(const RAND_METHOD **pmeth) - { - if (!*pmeth) - { - if(FIPS_mode()) - *pmeth=FIPS_rand_method(); - else - *pmeth = RAND_SSLeay(); - } - - if(FIPS_mode() - && *pmeth != FIPS_rand_check()) - { - RANDerr(RAND_F_FIPS_RAND_GET_RAND_METHOD,RAND_R_NON_FIPS_METHOD); - return 0; - } - - return *pmeth; - } - -static int (*RAND_set_rand_method_func)(const RAND_METHOD *meth, - const RAND_METHOD **pmeth) - = fips_RAND_set_rand_method; +{ + if (!*pmeth) { + if (FIPS_mode()) + *pmeth = FIPS_rand_method(); + else + *pmeth = RAND_SSLeay(); + } + + if (FIPS_mode() + && *pmeth != FIPS_rand_check()) { + RANDerr(RAND_F_FIPS_RAND_GET_RAND_METHOD, RAND_R_NON_FIPS_METHOD); + return 0; + } + + return *pmeth; +} + +static int (*RAND_set_rand_method_func) (const RAND_METHOD *meth, + const RAND_METHOD **pmeth) + = fips_RAND_set_rand_method; static const RAND_METHOD *(*RAND_get_rand_method_func) - (const RAND_METHOD **pmeth) - = fips_RAND_get_rand_method; - -#ifndef OPENSSL_NO_ENGINE -void int_RAND_set_callbacks( - int (*set_rand_func)(const RAND_METHOD *meth, - const RAND_METHOD **pmeth), - const RAND_METHOD *(*get_rand_func) - (const RAND_METHOD **pmeth)) - { - RAND_set_rand_method_func = set_rand_func; - RAND_get_rand_method_func = get_rand_func; - } -#endif + (const RAND_METHOD **pmeth) + = fips_RAND_get_rand_method; + +# ifndef OPENSSL_NO_ENGINE +void int_RAND_set_callbacks(int (*set_rand_func) (const RAND_METHOD *meth, + const RAND_METHOD **pmeth), + const RAND_METHOD *(*get_rand_func) + (const RAND_METHOD **pmeth)) +{ + RAND_set_rand_method_func = set_rand_func; + RAND_get_rand_method_func = get_rand_func; +} +# endif int RAND_set_rand_method(const RAND_METHOD *meth) - { - return RAND_set_rand_method_func(meth, &default_RAND_meth); - } +{ + return RAND_set_rand_method_func(meth, &default_RAND_meth); +} const RAND_METHOD *RAND_get_rand_method(void) - { - return RAND_get_rand_method_func(&default_RAND_meth); - } +{ + return RAND_get_rand_method_func(&default_RAND_meth); +} #else -#ifndef OPENSSL_NO_ENGINE +# ifndef OPENSSL_NO_ENGINE /* non-NULL if default_RAND_meth is ENGINE-provided */ -static ENGINE *funct_ref =NULL; -#endif +static ENGINE *funct_ref = NULL; +# endif int RAND_set_rand_method(const RAND_METHOD *meth) - { -#ifndef OPENSSL_NO_ENGINE - if(funct_ref) - { - ENGINE_finish(funct_ref); - funct_ref = NULL; - } -#endif - default_RAND_meth = meth; - return 1; - } +{ +# ifndef OPENSSL_NO_ENGINE + if (funct_ref) { + ENGINE_finish(funct_ref); + funct_ref = NULL; + } +# endif + default_RAND_meth = meth; + return 1; +} const RAND_METHOD *RAND_get_rand_method(void) - { - if (!default_RAND_meth) - { -#ifndef OPENSSL_NO_ENGINE - ENGINE *e = ENGINE_get_default_RAND(); - if(e) - { - default_RAND_meth = ENGINE_get_RAND(e); - if(!default_RAND_meth) - { - ENGINE_finish(e); - e = NULL; - } - } - if(e) - funct_ref = e; - else -#endif - default_RAND_meth = RAND_SSLeay(); - } - return default_RAND_meth; - } - -#ifndef OPENSSL_NO_ENGINE +{ + if (!default_RAND_meth) { +# ifndef OPENSSL_NO_ENGINE + ENGINE *e = ENGINE_get_default_RAND(); + if (e) { + default_RAND_meth = ENGINE_get_RAND(e); + if (!default_RAND_meth) { + ENGINE_finish(e); + e = NULL; + } + } + if (e) + funct_ref = e; + else +# endif + default_RAND_meth = RAND_SSLeay(); + } + return default_RAND_meth; +} + +# ifndef OPENSSL_NO_ENGINE int RAND_set_rand_engine(ENGINE *engine) - { - const RAND_METHOD *tmp_meth = NULL; - if(engine) - { - if(!ENGINE_init(engine)) - return 0; - tmp_meth = ENGINE_get_RAND(engine); - if(!tmp_meth) - { - ENGINE_finish(engine); - return 0; - } - } - /* This function releases any prior ENGINE so call it first */ - RAND_set_rand_method(tmp_meth); - funct_ref = engine; - return 1; - } -#endif +{ + const RAND_METHOD *tmp_meth = NULL; + if (engine) { + if (!ENGINE_init(engine)) + return 0; + tmp_meth = ENGINE_get_RAND(engine); + if (!tmp_meth) { + ENGINE_finish(engine); + return 0; + } + } + /* This function releases any prior ENGINE so call it first */ + RAND_set_rand_method(tmp_meth); + funct_ref = engine; + return 1; +} +# endif #endif void RAND_cleanup(void) - { - const RAND_METHOD *meth = RAND_get_rand_method(); - if (meth && meth->cleanup) - meth->cleanup(); - RAND_set_rand_method(NULL); - } +{ + const RAND_METHOD *meth = RAND_get_rand_method(); + if (meth && meth->cleanup) + meth->cleanup(); + RAND_set_rand_method(NULL); +} void RAND_seed(const void *buf, int num) - { - const RAND_METHOD *meth = RAND_get_rand_method(); - if (meth && meth->seed) - meth->seed(buf,num); - } +{ + const RAND_METHOD *meth = RAND_get_rand_method(); + if (meth && meth->seed) + meth->seed(buf, num); +} void RAND_add(const void *buf, int num, double entropy) - { - const RAND_METHOD *meth = RAND_get_rand_method(); - if (meth && meth->add) - meth->add(buf,num,entropy); - } +{ + const RAND_METHOD *meth = RAND_get_rand_method(); + if (meth && meth->add) + meth->add(buf, num, entropy); +} int RAND_bytes(unsigned char *buf, int num) - { - const RAND_METHOD *meth = RAND_get_rand_method(); - if (meth && meth->bytes) - return meth->bytes(buf,num); - return(-1); - } +{ + const RAND_METHOD *meth = RAND_get_rand_method(); + if (meth && meth->bytes) + return meth->bytes(buf, num); + return (-1); +} int RAND_pseudo_bytes(unsigned char *buf, int num) - { - const RAND_METHOD *meth = RAND_get_rand_method(); - if (meth && meth->pseudorand) - return meth->pseudorand(buf,num); - return(-1); - } +{ + const RAND_METHOD *meth = RAND_get_rand_method(); + if (meth && meth->pseudorand) + return meth->pseudorand(buf, num); + return (-1); +} int RAND_status(void) - { - const RAND_METHOD *meth = RAND_get_rand_method(); - if (meth && meth->status) - return meth->status(); - return 0; - } +{ + const RAND_METHOD *meth = RAND_get_rand_method(); + if (meth && meth->status) + return meth->status(); + return 0; +} |