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instance method

OpenSSL::Cipher#reset

cipher.reset → self

ext/openssl/ossl_cipher.c View on GitHub ↗

static VALUE
ossl_cipher_reset(VALUE self)
{
    EVP_CIPHER_CTX *ctx;

    GetCipher(self, ctx);
    if (EVP_CipherInit_ex(ctx, NULL, NULL, NULL, NULL, -1) != 1)
        ossl_raise(eCipherError, NULL);

    return self;
}

Fully resets the internal state of the Cipher. By using this, the same Cipher instance may be used several times for encryption or decryption tasks.

Internally calls EVP_CipherInit_ex(ctx, NULL, NULL, NULL, NULL, -1).

See also #random_key #update #random_iv also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1

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