Remove and return an attribute from an EVP_PKEY by index.

Synopsis

Declared in <openssl/x509.h>

X509_ATTRIBUTE*
EVP_PKEY_delete_attr(
    EVP_PKEY* key,
    int loc);

Return Value

Removed X509_ATTRIBUTE (caller frees), or NULL if loc is invalid.

Parameters

Name

Description

key

Key whose attribute stack is modified.

loc

Zero‐based attribute index.

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