X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fopenssl%2Fcrypto.c;h=3960c3e8433c6830bdbf8788a9748254ff4a80ee;hb=28be4baae016a5a771d0d9ec6e97ef38a4fc9e46;hp=fe5a599715c93c1c1317877bb45ab1d189af5087;hpb=373b0c12d9d0e8a3b449fd18be704e28dd6403e1;p=tinc diff --git a/src/openssl/crypto.c b/src/openssl/crypto.c index fe5a5997..3960c3e8 100644 --- a/src/openssl/crypto.c +++ b/src/openssl/crypto.c @@ -24,75 +24,7 @@ #include "../crypto.h" -#ifndef HAVE_WINDOWS - -static int random_fd = -1; - -static void random_init(void) { - random_fd = open("/dev/urandom", O_RDONLY); - - if(random_fd < 0) { - random_fd = open("/dev/random", O_RDONLY); - } - - if(random_fd < 0) { - fprintf(stderr, "Could not open source of random numbers: %s\n", strerror(errno)); - abort(); - } -} - -static void random_exit(void) { - close(random_fd); -} - -void randomize(void *vout, size_t outlen) { - uint8_t *out = vout; - - while(outlen) { - ssize_t len = read(random_fd, out, outlen); - - if(len <= 0) { - if(len == -1 && (errno == EAGAIN || errno == EINTR)) { - continue; - } - - fprintf(stderr, "Could not read random numbers: %s\n", strerror(errno)); - abort(); - } - - out += len; - outlen -= len; - } -} - -#else - -#include -HCRYPTPROV prov; - -static void random_init(void) { - if(!CryptAcquireContext(&prov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) { - fprintf(stderr, "CryptAcquireContext() failed!\n"); - abort(); - } -} - -static void random_exit(void) { - CryptReleaseContext(prov, 0); -} - -void randomize(void *out, size_t outlen) { - if(!CryptGenRandom(prov, outlen, out)) { - fprintf(stderr, "CryptGenRandom() failed\n"); - abort(); - } -} - -#endif - void crypto_init(void) { - random_init(); - #if OPENSSL_VERSION_MAJOR < 3 ENGINE_load_builtin_engines(); #endif @@ -102,7 +34,3 @@ void crypto_init(void) { abort(); } } - -void crypto_exit(void) { - random_exit(); -}