Encode an X.509v3 extension value to DER.

Synopsis

Declared in <openssl/x509v3.h>

typedef int(* X509V3_EXT_I2D)(void const*, unsigned char**);

Return Value

Number of bytes encoded, or a negative value on error.

Parameters

Name

Description

ext

Extension‐specific value to encode.

out

Destination pointer updated like a standard i2d encoder, or NULL to measure length.

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