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-rw-r--r--chip/g/dcrypto/hmac_drbg.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/chip/g/dcrypto/hmac_drbg.c b/chip/g/dcrypto/hmac_drbg.c
index 73df952a67..2ca20e03ff 100644
--- a/chip/g/dcrypto/hmac_drbg.c
+++ b/chip/g/dcrypto/hmac_drbg.c
@@ -391,7 +391,7 @@ static enum vendor_cmd_rc drbg_test(enum vendor_cmd_cc code, void *buf,
size_t input_size, size_t *response_size)
{
static struct drbg_ctx drbg_ctx;
- static uint8_t output[128];
+ static uint8_t output[512];
uint8_t *p0 = NULL, *p1 = NULL, *p2 = NULL;
uint16_t p0_len = 0, p1_len = 0, p2_len = 0;
uint8_t *cmd = (uint8_t *)buf;