mbedtls_asn1_write_int() function
Write an int tag (#MBEDTLS_ASN1_INTEGER) and value in ASN.1 format.
Syntax
int mbedtls_asn1_write_int( unsigned char **p,
unsigned char *start,
int val );
Arguments
p
The reference to the current position pointer.
start
The start of the buffer, for bounds-checking.
val
The integer value to write.
Return value
The number of bytes written to \p p on success. A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure.
Notes
This function works backwards in data buffer.