updates default pw_max length for blake2b

src/modules/module_00600.c

@@ -23,7 +23,7 @@ static const u32   OPTI_TYPE      = OPTI_TYPE_ZERO_BYTE
                                   | OPTI_TYPE_USES_BITS_64
                                   | OPTI_TYPE_RAW_HASH;
 static const u64   OPTS_TYPE      = OPTS_TYPE_PT_GENERATE_LE;
-static const u32   SALT_TYPE      = SALT_TYPE_EMBEDDED;
+static const u32   SALT_TYPE      = SALT_TYPE_NONE;
 static const char *ST_PASS        = "hashcat";
 static const char *ST_HASH        = "$BLAKE2$296c269e70ac5f0095e6fb47693480f0f7b97ccd0307f5c3bfa4df8f5ca5c9308a0e7108e80a0a9c0ebb715e8b7109b072046c6cd5e155b4cfd2f27216283b1e";
 
@@ -44,6 +44,18 @@ const char *module_st_pass        (MAYBE_UNUSED const hashconfig_t *hashconfig,
 
 static const char *SIGNATURE_BLAKE2B = "$BLAKE2$";
 
+u32 module_pw_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
+{
+  // this overrides the reductions of pw_max in case optimized kernel is selected
+  // IOW, even in optimized kernel mode it support length 64
+
+  const bool optimized_kernel = (hashconfig->opti_type & OPTI_TYPE_OPTIMIZED_KERNEL);
+
+  const u32 pw_max = (optimized_kernel == true) ? 64 : PW_MAX;
+
+  return pw_max;
+}
+
 int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED void *digest_buf, MAYBE_UNUSED salt_t *salt, MAYBE_UNUSED void *esalt_buf, MAYBE_UNUSED void *hook_salt_buf, MAYBE_UNUSED hashinfo_t *hash_info, const char *line_buf, MAYBE_UNUSED const int line_len)
 {
   u64 *digest = (u64 *) digest_buf;
@@ -166,7 +178,7 @@ void module_init (module_ctx_t *module_ctx)
   module_ctx->module_potfile_disable          = MODULE_DEFAULT;
   module_ctx->module_potfile_keep_all_hashes  = MODULE_DEFAULT;
   module_ctx->module_pwdump_column            = MODULE_DEFAULT;
-  module_ctx->module_pw_max                   = MODULE_DEFAULT;
+  module_ctx->module_pw_max                   = module_pw_max;
   module_ctx->module_pw_min                   = MODULE_DEFAULT;
   module_ctx->module_salt_max                 = MODULE_DEFAULT;
   module_ctx->module_salt_min                 = MODULE_DEFAULT;

tools/test_modules/m00600.pm

@@ -10,7 +10,7 @@ use warnings;
 
 use Digest::BLAKE2 qw (blake2b_hex);
 
-sub module_constraints { [[0, 256], [-1, -1], [0, 55], [-1, -1], [-1, -1]] }
+sub module_constraints { [[0, 256], [-1, -1], [0, 64], [-1, -1], [-1, -1]] }
 
 sub module_generate_hash
 {