cc3xx_asn1_write_tag()

int cc3xx_asn1_write_tag	(	unsigned char **	p,
		const unsigned char *	start,
		unsigned char	tag )

Write an ASN.1 tag in ASN.1 format.

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.
tag	The tag to write.

Returns

The number of bytes written to p on success.

PSA_ERROR_BUFFER_TOO_SMALL if the buffer is too small.