Write a SubjectPublicKeyInfo public key to a FILE with a library context.

Synopsis

Declared in <openssl/pem.h>

int
PEM_write_PUBKEY_ex(
    FILE* fp,
    EVP_PKEY const* x,
    OSSL_LIB_CTX* libctx,
    char const* propq);

Return Value

1 on success, or 0 on failure.

Parameters

Name

Description

fp

FILE to write to.

x

Public key to encode.

libctx

Library context used for provider‐backed encoding, or NULL for the default.

propq

Property query for algorithm fetches, or NULL.

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