diff options
Diffstat (limited to 'common/fpsensor/fpsensor.c')
-rw-r--r-- | common/fpsensor/fpsensor.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/common/fpsensor/fpsensor.c b/common/fpsensor/fpsensor.c index facdd3c1bb..d0bc54faba 100644 --- a/common/fpsensor/fpsensor.c +++ b/common/fpsensor/fpsensor.c @@ -7,6 +7,7 @@ #include "clock.h" #include "common.h" #include "console.h" +#include "cryptoc/util.h" #include "ec_commands.h" #include "fpsensor.h" #include "fpsensor_crypto.h" @@ -429,6 +430,7 @@ static int fp_command_frame(struct host_cmd_handler_args *args) sizeof(fp_template[0]), enc_info->nonce, FP_CONTEXT_NONCE_BYTES, enc_info->tag, FP_CONTEXT_TAG_BYTES); + always_memset(key, 0, sizeof(key)); if (ret != EC_SUCCESS) { CPRINTS("fgr%d: Failed to encrypt template", fgr); return EC_RES_UNAVAILABLE; @@ -517,6 +519,7 @@ static int fp_command_template(struct host_cmd_handler_args *args) sizeof(fp_template[0]), enc_info->nonce, FP_CONTEXT_NONCE_BYTES, enc_info->tag, FP_CONTEXT_TAG_BYTES); + always_memset(key, 0, sizeof(key)); if (ret != EC_SUCCESS) { CPRINTS("fgr%d: Failed to decipher template", idx); /* Don't leave bad data in the template buffer */ |