diff options
Diffstat (limited to 'app/openssl/crypto/rand/md_rand.c')
| -rw-r--r-- | app/openssl/crypto/rand/md_rand.c | 58 |
1 files changed, 36 insertions, 22 deletions
diff --git a/app/openssl/crypto/rand/md_rand.c b/app/openssl/crypto/rand/md_rand.c index b2f04ff1..aee1c30b 100644 --- a/app/openssl/crypto/rand/md_rand.c +++ b/app/openssl/crypto/rand/md_rand.c @@ -109,6 +109,8 @@ * */ +#define OPENSSL_FIPSEVP + #ifdef MD_RAND_DEBUG # ifndef NDEBUG # define NDEBUG @@ -121,10 +123,10 @@ #include "e_os.h" +#include <openssl/crypto.h> #include <openssl/rand.h> #include "rand_lcl.h" -#include <openssl/crypto.h> #include <openssl/err.h> #ifdef BN_DEBUG @@ -157,13 +159,14 @@ const char RAND_version[]="RAND" OPENSSL_VERSION_PTEXT; static void ssleay_rand_cleanup(void); static void ssleay_rand_seed(const void *buf, int num); static void ssleay_rand_add(const void *buf, int num, double add_entropy); -static int ssleay_rand_bytes(unsigned char *buf, int num); +static int ssleay_rand_bytes(unsigned char *buf, int num, int pseudo); +static int ssleay_rand_nopseudo_bytes(unsigned char *buf, int num); static int ssleay_rand_pseudo_bytes(unsigned char *buf, int num); static int ssleay_rand_status(void); RAND_METHOD rand_ssleay_meth={ ssleay_rand_seed, - ssleay_rand_bytes, + ssleay_rand_nopseudo_bytes, ssleay_rand_cleanup, ssleay_rand_add, ssleay_rand_pseudo_bytes, @@ -195,6 +198,9 @@ static void ssleay_rand_add(const void *buf, int num, double add) EVP_MD_CTX m; int do_not_lock; + if (!num) + return; + /* * (Based on the rand(3) manpage) * @@ -328,7 +334,7 @@ static void ssleay_rand_seed(const void *buf, int num) ssleay_rand_add(buf, num, (double)num); } -static int ssleay_rand_bytes(unsigned char *buf, int num) +static int ssleay_rand_bytes(unsigned char *buf, int num, int pseudo) { static volatile int stirred_pool = 0; int i,j,k,st_num,st_idx; @@ -377,8 +383,11 @@ static int ssleay_rand_bytes(unsigned char *buf, int num) * are fed into the hash function and the results are kept in the * global 'md'. */ - - CRYPTO_w_lock(CRYPTO_LOCK_RAND); +#ifdef OPENSSL_FIPS + /* NB: in FIPS mode we are already under a lock */ + if (!FIPS_mode()) +#endif + CRYPTO_w_lock(CRYPTO_LOCK_RAND); /* prevent ssleay_rand_bytes() from trying to obtain the lock again */ CRYPTO_w_lock(CRYPTO_LOCK_RAND2); @@ -457,7 +466,10 @@ static int ssleay_rand_bytes(unsigned char *buf, int num) /* before unlocking, we must clear 'crypto_lock_rand' */ crypto_lock_rand = 0; - CRYPTO_w_unlock(CRYPTO_LOCK_RAND); +#ifdef OPENSSL_FIPS + if (!FIPS_mode()) +#endif + CRYPTO_w_unlock(CRYPTO_LOCK_RAND); while (num > 0) { @@ -509,15 +521,23 @@ static int ssleay_rand_bytes(unsigned char *buf, int num) MD_Init(&m); MD_Update(&m,(unsigned char *)&(md_c[0]),sizeof(md_c)); MD_Update(&m,local_md,MD_DIGEST_LENGTH); - CRYPTO_w_lock(CRYPTO_LOCK_RAND); +#ifdef OPENSSL_FIPS + if (!FIPS_mode()) +#endif + CRYPTO_w_lock(CRYPTO_LOCK_RAND); MD_Update(&m,md,MD_DIGEST_LENGTH); MD_Final(&m,md); - CRYPTO_w_unlock(CRYPTO_LOCK_RAND); +#ifdef OPENSSL_FIPS + if (!FIPS_mode()) +#endif + CRYPTO_w_unlock(CRYPTO_LOCK_RAND); EVP_MD_CTX_cleanup(&m); if (ok) return(1); - else + else if (pseudo) + return 0; + else { RANDerr(RAND_F_SSLEAY_RAND_BYTES,RAND_R_PRNG_NOT_SEEDED); ERR_add_error_data(1, "You need to read the OpenSSL FAQ, " @@ -526,22 +546,16 @@ static int ssleay_rand_bytes(unsigned char *buf, int num) } } +static int ssleay_rand_nopseudo_bytes(unsigned char *buf, int num) + { + return ssleay_rand_bytes(buf, num, 0); + } + /* pseudo-random bytes that are guaranteed to be unique but not unpredictable */ static int ssleay_rand_pseudo_bytes(unsigned char *buf, int num) { - int ret; - unsigned long err; - - ret = RAND_bytes(buf, num); - if (ret == 0) - { - err = ERR_peek_error(); - if (ERR_GET_LIB(err) == ERR_LIB_RAND && - ERR_GET_REASON(err) == RAND_R_PRNG_NOT_SEEDED) - ERR_clear_error(); - } - return (ret); + return ssleay_rand_bytes(buf, num, 1); } static int ssleay_rand_status(void) |