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-rw-r--r--NK_C_API.h14
1 files changed, 8 insertions, 6 deletions
diff --git a/NK_C_API.h b/NK_C_API.h
index 3bcff00..44f92c5 100644
--- a/NK_C_API.h
+++ b/NK_C_API.h
@@ -210,9 +210,10 @@ extern "C" {
/**
* Write HOTP slot data to the device
- * @param slot_number HOTP slot number, slot_number<3
- * @param slot_name char[15](Pro) desired slot name
- * @param secret char[40](Pro) 160-bit secret as a hex string
+ * @param slot_number HOTP slot number, slot_number<3, 0-numbered
+ * @param slot_name char[15] desired slot name. C string (requires ending '\0'; 16 bytes).
+ * @param secret char[40] 160-bit or 320-bit (currently Pro v0.8 only) secret as a hex string. C string (requires ending '\0'; 41 bytes).
+ * See NitrokeyManager::is_320_OTP_secret_supported.
* @param hotp_counter uint32_t starting value of HOTP counter
* @param use_8_digits should returned codes be 6 (false) or 8 digits (true)
* @param use_enter press ENTER key after sending OTP code using double-pressed scroll/num/capslock
@@ -227,9 +228,10 @@ extern "C" {
/**
* Write TOTP slot data to the device
- * @param slot_number TOTP slot number, slot_number<15
- * @param slot_name char[15](Pro) desired slot name
- * @param secret char[40](Pro) 160-bit secret as a hex string
+ * @param slot_number TOTP slot number, slot_number<15, 0-numbered
+ * @param slot_name char[15] desired slot name. C string (requires ending '\0'; 16 bytes).
+ * @param secret char[40] 160-bit or 320-bit (currently Pro v0.8 only) secret as a hex string. C string (requires ending '\0'; 41 bytes).
+ * See NitrokeyManager::is_320_OTP_secret_supported.
* @param time_window uint16_t time window for this TOTP
* @param use_8_digits should returned codes be 6 (false) or 8 digits (true)
* @param use_enter press ENTER key after sending OTP code using double-pressed scroll/num/capslock