pkcs1_decrypt_public_key() function

crypto_rsa_free - Free RSA key @key: RSA key to be freed This function frees an RSA key imported with either crypto_rsa_import_public_key() or crypto_rsa_import_private_key().

crypto_rsa_exptmod - RSA modular exponentiation @in: Input data @inlen: Input data length @out: Buffer for output data @outlen: Maximum size of the output buffer and used size on success @key: RSA key @use_private: 1 = Use RSA private key, 0 = Use RSA public key Returns: 0 on success, -1 on failure

crypto_rsa_get_modulus_len - Get the modulus length of the RSA key @key: RSA key Returns: Modulus length of the key