[Cryptech-Commits] [sw/libhal] 47/58: Check for hash core present before running PBKDF2 tests.

[git at cryptech.is]

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sra at hactrn.net pushed a commit to branch master
in repository sw/libhal.

commit 4dd62d61e4da99f2c6f905f2700208bfc2e6a0ff
Author: Rob Austein <sra at hactrn.net>
Date:   Sun Jun 21 22:41:34 2015 -0400

    Check for hash core present before running PBKDF2 tests.
---
 tests/test-pbkdf2.c | 29 ++++++++++++++++++++++-------
 1 file changed, 22 insertions(+), 7 deletions(-)

diff --git a/tests/test-pbkdf2.c b/tests/test-pbkdf2.c
index 477dfe2..5403612 100644
--- a/tests/test-pbkdf2.c
+++ b/tests/test-pbkdf2.c
@@ -200,16 +200,31 @@ static int _test_pbkdf2(const uint8_t * const pwd,  const size_t pwd_len,
 
 int main (int argc, char *argv[])
 {
+  hal_error_t err = hal_hash_core_present(hal_hash_sha1);
   int ok = 1;
 
-  ok &= test_pbkdf2(1);
-  ok &= test_pbkdf2(2);
-  ok &= test_pbkdf2(3);
-  ok &= test_pbkdf2(4);
-  ok &= test_pbkdf2(5);
-  ok &= test_pbkdf2(6);
+  switch (err) {
+
+  case HAL_OK:
+    ok &= test_pbkdf2(1);
+    ok &= test_pbkdf2(2);
+    ok &= test_pbkdf2(3);
+    ok &= test_pbkdf2(4);
+    ok &= test_pbkdf2(5);
+    ok &= test_pbkdf2(6);
+    break;
+
+  case HAL_ERROR_IO_UNEXPECTED:
+    printf("SHA-1 core not present, not testing PBKDF2\n");
+    break;
+
+  default:
+    printf("Unexpected error while probing for hash core: %s\n", hal_error_string(err));
+    ok = 0;
+    break;
+  }
 
-  return !ok;
+    return !ok;
 }
 
 /*