[Cryptech-Commits] [sw/stm32] branch rsa_timing updated: Initialize C_len arg to hal_aes_keywrap, or suffer unpredictable failures.

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paul at psgd.org pushed a commit to branch rsa_timing
in repository sw/stm32.

The following commit(s) were added to refs/heads/rsa_timing by this push:
     new 93a9952  Initialize C_len arg to hal_aes_keywrap, or suffer unpredictable failures.
93a9952 is described below

commit 93a9952c90b4e8a96c6787ffc92e233ce097f645
Author: Paul Selkirk <paul at psgd.org>
AuthorDate: Tue Jan 15 13:52:18 2019 -0500

    Initialize C_len arg to hal_aes_keywrap, or suffer unpredictable failures.
---
 projects/cli-test/mgmt-timing.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/projects/cli-test/mgmt-timing.c b/projects/cli-test/mgmt-timing.c
index d3e0245..c1ad3c3 100644
--- a/projects/cli-test/mgmt-timing.c
+++ b/projects/cli-test/mgmt-timing.c
@@ -520,7 +520,7 @@ static int cmd_timing_hal_aes_keyunwrap(struct cli_def *cli, const char *command
     }
 
     uint8_t wrapped[HAL_KS_WRAPPED_KEYSIZE];
-    size_t wrapped_len;
+    size_t wrapped_len = sizeof(wrapped);
     if ((err = hal_aes_keywrap(NULL, kek, kek_len, der, der_len, wrapped, &wrapped_len)) != LIBHAL_OK) {
         cli_print(cli, "hal_aes_keywrap: %s", hal_error_string(err));
         return CLI_ERROR;

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