Append a copy of attr to an EVP_PKEY attribute list, creating the list if needed.

Synopsis

Declared in <openssl/x509.h>

int
EVP_PKEY_add1_attr(
    EVP_PKEY* key,
    X509_ATTRIBUTE* attr);

Return Value

1 on success, or 0 on failure.

Parameters

Name

Description

key

Key whose attribute stack is updated.

attr

Attribute to copy onto the key; must be non‐NULL and not already present.

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