mirror of
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47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
/*
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* Copyright 2014-2021 The GmSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef GMSSL_RC4_H
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#define GMSSL_RC4_H
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#include <string.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define RC4_MIN_KEY_BITS 40
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#define RC4_STATE_NUM_WORDS 256
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typedef struct {
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unsigned char d[256];
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} RC4_STATE;
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void rc4_set_key(RC4_STATE *state, const uint8_t *key, size_t keylen);
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void rc4_generate_keystream(RC4_STATE *state, size_t outlen, uint8_t *out);
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#ifdef __cplusplus
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}
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#endif
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#endif
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