internal OpenSslBulkCipherKey(EVP_BulkCipher_Type type, OwnedMemory <byte> keyStore, int keySize, int ivSize, int tagSize)
{
_tagSize = tagSize;
_keyStore = keyStore;
_key = _keyStore.Memory.Slice(0, keySize);
_iv = _keyStore.Memory.Slice(keySize, ivSize);
_type = type;
_ctx = EVP_CIPHER_CTX_new();
}
public static unsafe void EVP_CipherInit_ex(EVP_CIPHER_CTX ctx, EVP_BulkCipher_Type type, Span <byte> key, Span <byte> iv, KeyMode mode)
{
fixed(void *keyPtr = &key.DangerousGetPinnableReference())
fixed(void *ivPtr = &iv.DangerousGetPinnableReference())
{
var result = EVP_CipherInit_ex(ctx, type, null, keyPtr, ivPtr, (int)mode);
ThrowOnErrorReturnCode(result);
}
}
private static extern unsafe int EVP_CipherInit_ex(EVP_CIPHER_CTX ctx, EVP_BulkCipher_Type type, void *impl, void *key, void *iv, int enc);
