File openssl-1_1-jitterentropy-3.4.0.patch of Package openssl-1_1

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File openssl-1_1-jitterentropy-3.4.0.patch of Package openssl-1_1 (Revision 92ff31ba01185fcbb4b11b11804bff1c)

Currently displaying revision 92ff31ba01185fcbb4b11b11804bff1c , Show latest

--- a/Configurations/00-base-templates.conf
+++ b/Configurations/00-base-templates.conf
@@ -96,7 +96,7 @@ my %targets=(
         ex_libs         =>
             sub { !defined($disabled{zlib})
                   && defined($disabled{"zlib-dynamic"})
-                  ? "-lz" : () },
+                  ? "-lz -ljitterentropy" : "-ljitterentropy" },
         HASHBANGPERL    => "/usr/bin/env perl", # Only Unix actually cares
         RANLIB          => sub { which("$config{cross_compile_prefix}ranlib")
                                      ? "ranlib" : "" },
--- a/crypto/fips/build.info
+++ b/crypto/fips/build.info
@@ -5,7 +5,8 @@ SOURCE[../../libcrypto]=\
         fips_post.c drbgtest.c fips_drbg_ctr.c fips_drbg_hash.c fips_drbg_hmac.c \
         fips_drbg_lib.c fips_drbg_rand.c fips_drbg_selftest.c fips_rand_lib.c \
         fips_cmac_selftest.c fips_ecdh_selftest.c fips_ecdsa_selftest.c \
-        fips_dh_selftest.c fips_kdf_selftest.c fips_ers.c fips_sli.c
+        fips_dh_selftest.c fips_kdf_selftest.c fips_ers.c fips_sli.c \
+        fips_entropy.c
 
 PROGRAMS=\
           fips_standalone_hmac
--- a/crypto/fips/fips.c
+++ b/crypto/fips/fips.c
@@ -461,6 +461,14 @@ int FIPS_module_mode_set(int onoff)
 
         fips_post = 1;
 
+        if (!FIPS_entropy_init()) {
+            FIPSerr(FIPS_F_FIPS_MODULE_MODE_SET,
+                    FIPS_R_ENTROPY_INIT_FAILED);
+            fips_selftest_fail = 1;
+            ret = 0;
+            goto end;
+        }
+
 	/* Run the KATs before the HMAC verification for FIPS 140-3 compliance */
         if (!FIPS_selftest()) {
             fips_selftest_fail = 1;
--- /dev/null
+++ b/crypto/fips/fips_entropy.c
@@ -0,0 +1,38 @@
+#include <openssl/fips.h>
+
+#include "crypto/fips_int.h"
+#include "jitterentropy.h"
+
+static struct rand_data* ec = NULL;
+
+struct rand_data* FIPS_entropy_init(void)
+{
+    if (ec != NULL)
+        /* Entropy source has been initiated and collector allocated */
+        return ec;
+    /* If the initialization is successful, the call returns with 0 */
+    if (jent_entropy_init_ex(1, JENT_FORCE_FIPS) == 0)
+        /* Allocate entropy collector */
+        ec = jent_entropy_collector_alloc(1, JENT_FORCE_FIPS);
+    return ec;
+}
+
+void FIPS_entropy_cleanup(void)
+{
+    /* Free entropy collector */
+    if (ec != NULL) {
+        jent_entropy_collector_free(ec);
+        ec = NULL;
+    }
+}
+
+ssize_t FIPS_jitter_entropy(unsigned char *buf, size_t buflen)
+{
+    ssize_t ent_bytes = -1;
+
+    if (buf != NULL && buflen != 0 && FIPS_entropy_init()) {
+        /* Get entropy */
+        ent_bytes = jent_read_entropy_safe(&ec, (char *)buf, buflen);
+    }
+    return ent_bytes;
+}
--- a/crypto/fips/fips_err.h
+++ b/crypto/fips/fips_err.h
@@ -135,6 +135,7 @@ static ERR_STRING_DATA FIPS_str_reasons[
     {ERR_REASON(FIPS_R_DRBG_NOT_INITIALISED), "drbg not initialised"},
     {ERR_REASON(FIPS_R_DRBG_STUCK), "drbg stuck"},
     {ERR_REASON(FIPS_R_ENTROPY_ERROR_UNDETECTED), "entropy error undetected"},
+    {ERR_REASON(FIPS_R_ENTROPY_INIT_FAILED), "entropy init failed"},
     {ERR_REASON(FIPS_R_ENTROPY_NOT_REQUESTED_FOR_RESEED),
      "entropy not requested for reseed"},
     {ERR_REASON(FIPS_R_ENTROPY_SOURCE_STUCK), "entropy source stuck"},
--- a/crypto/init.c
+++ b/crypto/init.c
@@ -27,6 +27,7 @@
 #include "crypto/dso_conf.h"
 #include "internal/dso.h"
 #include "crypto/store.h"
+#include "openssl/fips.h"
 
 static int stopped = 0;
 
@@ -597,6 +598,9 @@ void OPENSSL_cleanup(void)
     rand_cleanup_int();
     rand_drbg_cleanup_int();
     conf_modules_free_int();
+#ifdef OPENSSL_FIPS
+    FIPS_entropy_cleanup();
+#endif
 #ifndef OPENSSL_NO_ENGINE
     engine_cleanup_int();
 #endif
--- a/crypto/rand/rand_unix.c
+++ b/crypto/rand/rand_unix.c
@@ -642,9 +642,37 @@ size_t rand_pool_acquire_entropy(RAND_PO
     return rand_pool_entropy_available(pool);
 #  else
     size_t entropy_available;
+    int in_post;
+
+#   ifdef OPENSSL_FIPS
+    if (FIPS_mode()) {
+        /* Use jitter entropy in FIPS mode */
+        for (in_post = fips_in_post(); in_post >= 0; --in_post) {
+            size_t bytes_needed;
+            unsigned char *buffer;
+            ssize_t bytes;
+            /* Maximum allowed number of consecutive unsuccessful attempts */
+            int attempts = 3;
+
+            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 = FIPS_jitter_entropy(buffer, bytes_needed);
+                if (bytes > 0) {
+                    rand_pool_add_end(pool, bytes, 8 * bytes);
+                    bytes_needed -= bytes;
+                    attempts = 3; /* reset counter after successful attempt */
+                } else if (bytes < 0) {
+                    break;
+                }
+            }
+        }
+        entropy_available = rand_pool_entropy_available(pool);
+        return entropy_available;
+    }
+#   endif
 
 #   if defined(OPENSSL_RAND_SEED_GETRANDOM)
-    int in_post;
 
     for (in_post = fips_in_post(); in_post >= 0; --in_post) {
     {
--- a/include/crypto/fips_int.h
+++ b/include/crypto/fips_int.h
@@ -101,4 +101,6 @@ void fips_set_selftest_fail(void);
 
 void FIPS_get_timevec(unsigned char *buf, unsigned long *pctr);
 
+ssize_t FIPS_jitter_entropy(unsigned char *buf, size_t buflen);
+
 #endif
--- a/include/openssl/fips.h
+++ b/include/openssl/fips.h
@@ -74,6 +74,9 @@ extern "C" {
                                BN_GENCB *cb);
     int FIPS_dsa_paramgen_check_g(DSA *dsa);
 
+    struct rand_data* FIPS_entropy_init(void);
+    void FIPS_entropy_cleanup(void);
+
 /* BEGIN ERROR CODES */
 /* The following lines are auto generated by the script mkerr.pl. Any changes
  * made after this point may be overwritten when the script is next run.
@@ -151,6 +154,7 @@ extern "C" {
 # define FIPS_R_DRBG_NOT_INITIALISED                      152
 # define FIPS_R_DRBG_STUCK                                103
 # define FIPS_R_ENTROPY_ERROR_UNDETECTED                  104
+# define FIPS_R_ENTROPY_INIT_FAILED                       161
 # define FIPS_R_ENTROPY_NOT_REQUESTED_FOR_RESEED          105
 # define FIPS_R_ENTROPY_SOURCE_STUCK                      142
 # define FIPS_R_ERROR_INITIALISING_DRBG                   115
--- a/util/libcrypto.num
+++ b/util/libcrypto.num
@@ -4647,3 +4647,5 @@ fips_sli_PKCS5_PBKDF2_HMAC_is_approved
 fips_sli_HMAC_is_approved               6608	1_1_1l	EXIST::FUNCTION:
 fips_sli_RAND_bytes_is_approved         6609	1_1_1l	EXIST::FUNCTION:
 fips_sli_RAND_priv_bytes_is_approved    6610	1_1_1l	EXIST::FUNCTION:
+FIPS_entropy_init                       6611	1_1_1l	EXIST::FUNCTION:
+FIPS_entropy_cleanup                    6612	1_1_1l	EXIST::FUNCTION:

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File openssl-1_1-jitterentropy-3.4.0.patch of Package openssl-1_1 (Revision 92ff31ba01185fcbb4b11b11804bff1c)

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