cc3xx_asn1_write_big_integer()

int cc3xx_asn1_write_big_integer	(	unsigned char **	p,
		const unsigned char *	start,
		uint8_t *	data,
		size_t	data_size )

Write an int tag and value in ASN.1 format represented as a uint8_t array.

Note

This function works backwards in data buffer.

Parameters

p	The reference to the current position pointer.
start	The start of the buffer, for bounds-checking.
data	Buffer containing the integer to be written.
data_size	Size in bytes of the integer.

Returns

The number of bytes written to p on success.

PSA_ERROR_BUFFER_TOO_SMALL if the buffer is too small.

PSA_ERROR_GENERIC_ERROR if any other error occured.