diff options
Diffstat (limited to 'chip/host/dcrypto/app_cipher.c')
| -rw-r--r-- | chip/host/dcrypto/app_cipher.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/chip/host/dcrypto/app_cipher.c b/chip/host/dcrypto/app_cipher.c index 69d54a41b1..ab52484753 100644 --- a/chip/host/dcrypto/app_cipher.c +++ b/chip/host/dcrypto/app_cipher.c @@ -26,8 +26,19 @@ void app_compute_hash(uint8_t *p_buf, size_t num_bytes, int app_cipher(const void *salt_p, void *out_p, const void *in_p, size_t size) { - /* See README.md for while this is a passthrough. */ - memcpy(out_p, in_p, size); + /* See README.md for why this is not a real encryption.. */ + size_t i; + const uint8_t *src; + const uint8_t *salt; + uint8_t *dst; + + src = in_p; + salt = salt_p; + dst = out_p; + + for (i = 0; i < size; i++) + dst[i] = src[i] ^ salt[i & 7]; + return 1; } |