diff options
Diffstat (limited to 'openssl-1.1.1-fips-post-rand.patch')
| -rw-r--r-- | openssl-1.1.1-fips-post-rand.patch | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/openssl-1.1.1-fips-post-rand.patch b/openssl-1.1.1-fips-post-rand.patch new file mode 100644 index 0000000..027dc55 --- /dev/null +++ b/openssl-1.1.1-fips-post-rand.patch @@ -0,0 +1,189 @@ +diff -up openssl-1.1.1i/crypto/fips/fips.c.fips-post-rand openssl-1.1.1i/crypto/fips/fips.c +--- openssl-1.1.1i/crypto/fips/fips.c.fips-post-rand 2020-12-09 10:26:41.634106328 +0100 ++++ openssl-1.1.1i/crypto/fips/fips.c 2020-12-09 10:26:41.652106475 +0100 +@@ -68,6 +68,7 @@ + + # include <openssl/fips.h> + # include "internal/thread_once.h" ++# include "crypto/rand.h" + + # ifndef PATH_MAX + # define PATH_MAX 1024 +@@ -76,6 +77,7 @@ + static int fips_selftest_fail = 0; + static int fips_mode = 0; + static int fips_started = 0; ++static int fips_post = 0; + + static int fips_is_owning_thread(void); + static int fips_set_owning_thread(void); +@@ -158,6 +160,11 @@ void fips_set_selftest_fail(void) + fips_selftest_fail = 1; + } + ++int fips_in_post(void) ++{ ++ return fips_post; ++} ++ + /* we implement what libfipscheck does ourselves */ + + static int +@@ -445,6 +452,8 @@ int FIPS_module_mode_set(int onoff) + } + # endif + ++ fips_post = 1; ++ + if (!FIPS_selftest()) { + fips_selftest_fail = 1; + ret = 0; +@@ -459,7 +468,12 @@ int FIPS_module_mode_set(int onoff) + goto end; + } + ++ fips_post = 0; ++ + fips_set_mode(onoff); ++ /* force RNG reseed with entropy from getrandom() on next call */ ++ rand_force_reseed(); ++ + ret = 1; + goto end; + } +diff -up openssl-1.1.1i/crypto/rand/drbg_lib.c.fips-post-rand openssl-1.1.1i/crypto/rand/drbg_lib.c +--- openssl-1.1.1i/crypto/rand/drbg_lib.c.fips-post-rand 2020-12-08 14:20:59.000000000 +0100 ++++ openssl-1.1.1i/crypto/rand/drbg_lib.c 2020-12-09 10:26:41.652106475 +0100 +@@ -1005,6 +1005,20 @@ size_t rand_drbg_seedlen(RAND_DRBG *drbg + return min_entropy > min_entropylen ? min_entropy : min_entropylen; + } + ++void rand_force_reseed(void) ++{ ++ RAND_DRBG *drbg; ++ ++ drbg = RAND_DRBG_get0_master(); ++ drbg->fork_id = 0; ++ ++ drbg = RAND_DRBG_get0_private(); ++ drbg->fork_id = 0; ++ ++ drbg = RAND_DRBG_get0_public(); ++ drbg->fork_id = 0; ++} ++ + /* Implements the default OpenSSL RAND_add() method */ + static int drbg_add(const void *buf, int num, double randomness) + { +diff -up openssl-1.1.1i/crypto/rand/rand_unix.c.fips-post-rand openssl-1.1.1i/crypto/rand/rand_unix.c +--- openssl-1.1.1i/crypto/rand/rand_unix.c.fips-post-rand 2020-12-08 14:20:59.000000000 +0100 ++++ openssl-1.1.1i/crypto/rand/rand_unix.c 2020-12-09 10:36:59.531221903 +0100 +@@ -17,10 +17,12 @@ + #include <openssl/crypto.h> + #include "rand_local.h" + #include "crypto/rand.h" ++#include "crypto/fips.h" + #include <stdio.h> + #include "internal/dso.h" + #ifdef __linux + # include <sys/syscall.h> ++# include <sys/random.h> + # ifdef DEVRANDOM_WAIT + # include <sys/shm.h> + # include <sys/utsname.h> +@@ -344,7 +346,7 @@ static ssize_t sysctl_random(char *buf, + * syscall_random(): Try to get random data using a system call + * returns the number of bytes returned in buf, or < 0 on error. + */ +-static ssize_t syscall_random(void *buf, size_t buflen) ++static ssize_t syscall_random(void *buf, size_t buflen, int nonblock) + { + /* + * Note: 'buflen' equals the size of the buffer which is used by the +@@ -369,6 +371,7 @@ static ssize_t syscall_random(void *buf, + * Note: Sometimes getentropy() can be provided but not implemented + * internally. So we need to check errno for ENOSYS + */ ++# if 0 + # if defined(__GNUC__) && __GNUC__>=2 && defined(__ELF__) && !defined(__hpux) + extern int getentropy(void *buffer, size_t length) __attribute__((weak)); + +@@ -394,10 +397,10 @@ static ssize_t syscall_random(void *buf, + if (p_getentropy.p != NULL) + return p_getentropy.f(buf, buflen) == 0 ? (ssize_t)buflen : -1; + # endif +- ++# endif + /* Linux supports this since version 3.17 */ +-# if defined(__linux) && defined(__NR_getrandom) +- return syscall(__NR_getrandom, buf, buflen, 0); ++# if defined(__linux) && defined(SYS_getrandom) ++ return syscall(SYS_getrandom, buf, buflen, nonblock?GRND_NONBLOCK:0); + # elif (defined(__FreeBSD__) || defined(__NetBSD__)) && defined(KERN_ARND) + return sysctl_random(buf, buflen); + # else +@@ -633,6 +636,9 @@ size_t rand_pool_acquire_entropy(RAND_PO + size_t entropy_available; + + # if defined(OPENSSL_RAND_SEED_GETRANDOM) ++ int in_post; ++ ++ for (in_post = fips_in_post(); in_post >= 0; --in_post) { + { + size_t bytes_needed; + unsigned char *buffer; +@@ -643,7 +649,7 @@ size_t rand_pool_acquire_entropy(RAND_PO + bytes_needed = rand_pool_bytes_needed(pool, 1 /*entropy_factor*/); + while (bytes_needed != 0 && attempts-- > 0) { + buffer = rand_pool_add_begin(pool, bytes_needed); +- bytes = syscall_random(buffer, bytes_needed); ++ bytes = syscall_random(buffer, bytes_needed, in_post); + if (bytes > 0) { + rand_pool_add_end(pool, bytes, 8 * bytes); + bytes_needed -= bytes; +@@ -678,8 +684,10 @@ size_t rand_pool_acquire_entropy(RAND_PO + int attempts = 3; + const int fd = get_random_device(i); + +- if (fd == -1) ++ if (fd == -1) { ++ OPENSSL_showfatal("Random device %s cannot be opened.\n", random_device_paths[i]); + continue; ++ } + + while (bytes_needed != 0 && attempts-- > 0) { + buffer = rand_pool_add_begin(pool, bytes_needed); +@@ -742,7 +750,9 @@ size_t rand_pool_acquire_entropy(RAND_PO + return entropy_available; + } + # endif +- ++# ifdef OPENSSL_RAND_SEED_GETRANDOM ++ } ++# endif + return rand_pool_entropy_available(pool); + # endif + } +diff -up openssl-1.1.1i/include/crypto/fips.h.fips-post-rand openssl-1.1.1i/include/crypto/fips.h +--- openssl-1.1.1i/include/crypto/fips.h.fips-post-rand 2020-12-09 10:26:41.639106369 +0100 ++++ openssl-1.1.1i/include/crypto/fips.h 2020-12-09 10:26:41.657106516 +0100 +@@ -77,6 +77,8 @@ int FIPS_selftest_hmac(void); + int FIPS_selftest_drbg(void); + int FIPS_selftest_cmac(void); + ++int fips_in_post(void); ++ + int fips_pkey_signature_test(EVP_PKEY *pkey, + const unsigned char *tbs, int tbslen, + const unsigned char *kat, +diff -up openssl-1.1.1i/include/crypto/rand.h.fips-post-rand openssl-1.1.1i/include/crypto/rand.h +--- openssl-1.1.1i/include/crypto/rand.h.fips-post-rand 2020-12-08 14:20:59.000000000 +0100 ++++ openssl-1.1.1i/include/crypto/rand.h 2020-12-09 10:26:41.657106516 +0100 +@@ -24,6 +24,7 @@ + typedef struct rand_pool_st RAND_POOL; + + void rand_cleanup_int(void); ++void rand_force_reseed(void); + void rand_drbg_cleanup_int(void); + void drbg_delete_thread_state(void); + |