Decodes a buffer into a hexadecimal string, ensuring a specific total byte length by prepending zeros if necessary.
Calculates the number of missing bytes compared to the expected total and prepends the corresponding number of '0' characters to the hexadecimal string representation of the buffer.
Decodes a buffer into a hexadecimal string, ensuring a specific total byte length by prepending zeros if necessary. Calculates the number of missing bytes compared to the expected total and prepends the corresponding number of '0' characters to the hexadecimal string representation of the buffer.