Set the RSA modulus size in bits for key generation on an EVP_PKEY_CTX.

Synopsis

Declared in <openssl/rsa.h>

int
EVP_PKEY_CTX_set_rsa_keygen_bits(
    EVP_PKEY_CTX* ctx,
    int bits);

Return Value

1 on success, or a non‐positive value on failure.

Parameters

Name

Description

ctx

Keygen context for an RSA algorithm.

bits

Desired modulus length in bits (for example 2048 or 3072).

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