Pass a NUL‐terminated string to EVP_PKEY_CTX_ctrl as the p2 argument.

Synopsis

Declared in <openssl/evp.h>

int
EVP_PKEY_CTX_str2ctrl(
    EVP_PKEY_CTX* ctx,
    int cmd,
    char const* str);

Return Value

Positive on success, 0 or negative on failure (same convention as EVP_PKEY_CTX_ctrl).

Parameters

Name

Description

ctx

Key context that receives the control.

cmd

Control command number understood by the key method.

str

NUL‐terminated string passed as p2 (length is strlen(str)).

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