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a8fca7284a
Use of the low level RC4 functions has been informally discouraged for a long time. We now formally deprecate them. Applications should instead use the EVP APIs, e.g. EVP_EncryptInit_ex, EVP_EncryptUpdate, EVP_EncryptFinal_ex and the equivalently named decrypt functions. Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org> (Merged from https://github.com/openssl/openssl/pull/10834)
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/*
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* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/*
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* RC4 low level APIs are deprecated for public use, but still ok for internal
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* use.
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*/
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#include "internal/deprecated.h"
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#include "cipher_rc4.h"
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static int cipher_hw_rc4_initkey(PROV_CIPHER_CTX *ctx,
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const unsigned char *key, size_t keylen)
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{
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PROV_RC4_CTX *rctx = (PROV_RC4_CTX *)ctx;
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RC4_set_key(&rctx->ks.ks, keylen, key);
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return 1;
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}
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static int cipher_hw_rc4_cipher(PROV_CIPHER_CTX *ctx, unsigned char *out,
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const unsigned char *in, size_t len)
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{
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PROV_RC4_CTX *rctx = (PROV_RC4_CTX *)ctx;
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RC4(&rctx->ks.ks, len, in, out);
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return 1;
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}
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static const PROV_CIPHER_HW rc4_hw = {
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cipher_hw_rc4_initkey,
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cipher_hw_rc4_cipher
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};
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const PROV_CIPHER_HW *PROV_CIPHER_HW_rc4(size_t keybits)
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{
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return &rc4_hw;
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}
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