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Initial untested CCM support via EVP.
[thirdparty/openssl.git] / crypto / modes / modes.h
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1/* ====================================================================
2 * Copyright (c) 2008 The OpenSSL Project. All rights reserved.
3 *
4 * Rights for redistribution and usage in source and binary
5 * forms are granted according to the OpenSSL license.
6 */
7
8#include <stddef.h>
9
10typedef void (*block128_f)(const unsigned char in[16],
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11 unsigned char out[16],
12 const void *key);
13
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14typedef void (*cbc128_f)(const unsigned char *in, unsigned char *out,
15 size_t len, const void *key,
16 unsigned char ivec[16], int enc);
17
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18typedef void (*ctr128_f)(const unsigned char *in, unsigned char *out,
19 size_t blocks, const void *key,
20 const unsigned char ivec[16]);
21
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22void CRYPTO_cbc128_encrypt(const unsigned char *in, unsigned char *out,
23 size_t len, const void *key,
63fc7f84 24 unsigned char ivec[16], block128_f block);
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25void CRYPTO_cbc128_decrypt(const unsigned char *in, unsigned char *out,
26 size_t len, const void *key,
63fc7f84 27 unsigned char ivec[16], block128_f block);
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28
29void CRYPTO_ctr128_encrypt(const unsigned char *in, unsigned char *out,
30 size_t len, const void *key,
31 unsigned char ivec[16], unsigned char ecount_buf[16],
63fc7f84 32 unsigned int *num, block128_f block);
85b2c0ce 33
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34void CRYPTO_ctr128_encrypt_ctr32(const unsigned char *in, unsigned char *out,
35 size_t len, const void *key,
36 unsigned char ivec[16], unsigned char ecount_buf[16],
37 unsigned int *num, ctr128_f ctr);
38
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39void CRYPTO_ofb128_encrypt(const unsigned char *in, unsigned char *out,
40 size_t len, const void *key,
41 unsigned char ivec[16], int *num,
63fc7f84 42 block128_f block);
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43
44void CRYPTO_cfb128_encrypt(const unsigned char *in, unsigned char *out,
45 size_t len, const void *key,
46 unsigned char ivec[16], int *num,
63fc7f84 47 int enc, block128_f block);
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48void CRYPTO_cfb128_8_encrypt(const unsigned char *in, unsigned char *out,
49 size_t length, const void *key,
50 unsigned char ivec[16], int *num,
63fc7f84 51 int enc, block128_f block);
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52void CRYPTO_cfb128_1_encrypt(const unsigned char *in, unsigned char *out,
53 size_t bits, const void *key,
54 unsigned char ivec[16], int *num,
63fc7f84 55 int enc, block128_f block);
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56
57size_t CRYPTO_cts128_encrypt_block(const unsigned char *in, unsigned char *out,
58 size_t len, const void *key,
59 unsigned char ivec[16], block128_f block);
60size_t CRYPTO_cts128_encrypt(const unsigned char *in, unsigned char *out,
61 size_t len, const void *key,
62 unsigned char ivec[16], cbc128_f cbc);
63size_t CRYPTO_cts128_decrypt_block(const unsigned char *in, unsigned char *out,
64 size_t len, const void *key,
65 unsigned char ivec[16], block128_f block);
66size_t CRYPTO_cts128_decrypt(const unsigned char *in, unsigned char *out,
67 size_t len, const void *key,
68 unsigned char ivec[16], cbc128_f cbc);
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69
70size_t CRYPTO_nistcts128_encrypt_block(const unsigned char *in, unsigned char *out,
71 size_t len, const void *key,
72 unsigned char ivec[16], block128_f block);
73size_t CRYPTO_nistcts128_encrypt(const unsigned char *in, unsigned char *out,
74 size_t len, const void *key,
75 unsigned char ivec[16], cbc128_f cbc);
76size_t CRYPTO_nistcts128_decrypt_block(const unsigned char *in, unsigned char *out,
77 size_t len, const void *key,
78 unsigned char ivec[16], block128_f block);
79size_t CRYPTO_nistcts128_decrypt(const unsigned char *in, unsigned char *out,
80 size_t len, const void *key,
81 unsigned char ivec[16], cbc128_f cbc);
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82
83typedef struct gcm128_context GCM128_CONTEXT;
84
6acb4ff3 85GCM128_CONTEXT *CRYPTO_gcm128_new(void *key, block128_f block);
a7a6aade 86void CRYPTO_gcm128_init(GCM128_CONTEXT *ctx,void *key,block128_f block);
19f7e5e2 87void CRYPTO_gcm128_setiv(GCM128_CONTEXT *ctx, const unsigned char *iv,
6acb4ff3 88 size_t len);
1f2502eb 89int CRYPTO_gcm128_aad(GCM128_CONTEXT *ctx, const unsigned char *aad,
6acb4ff3 90 size_t len);
1f2502eb 91int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx,
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92 const unsigned char *in, unsigned char *out,
93 size_t len);
1f2502eb 94int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx,
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95 const unsigned char *in, unsigned char *out,
96 size_t len);
1f2502eb 97int CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx,
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98 const unsigned char *in, unsigned char *out,
99 size_t len, ctr128_f stream);
1f2502eb 100int CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx,
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101 const unsigned char *in, unsigned char *out,
102 size_t len, ctr128_f stream);
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103int CRYPTO_gcm128_finish(GCM128_CONTEXT *ctx,const unsigned char *tag,
104 size_t len);
fd3dbc1d 105void CRYPTO_gcm128_tag(GCM128_CONTEXT *ctx, unsigned char *tag, size_t len);
6acb4ff3 106void CRYPTO_gcm128_release(GCM128_CONTEXT *ctx);
32a2d8dd 107
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108typedef struct ccm128_context CCM128_CONTEXT;
109
110void CRYPTO_ccm128_init(CCM128_CONTEXT *ctx,
23916810 111 unsigned int M, unsigned int L, void *key,block128_f block);
6386b1b3 112int CRYPTO_ccm128_setiv(CCM128_CONTEXT *ctx,
23916810 113 const unsigned char *nonce, size_t nlen, size_t mlen);
6386b1b3 114void CRYPTO_ccm128_aad(CCM128_CONTEXT *ctx,
23916810 115 const unsigned char *aad, size_t alen);
6386b1b3 116int CRYPTO_ccm128_encrypt(CCM128_CONTEXT *ctx,
23916810 117 const unsigned char *inp, unsigned char *out, size_t len);
6386b1b3 118int CRYPTO_ccm128_decrypt(CCM128_CONTEXT *ctx,
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119 const unsigned char *inp, unsigned char *out, size_t len);
120size_t CRYPTO_ccm128_tag(CCM128_CONTEXT *ctx, unsigned char *tag, size_t len);
6386b1b3 121
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122typedef struct xts128_context XTS128_CONTEXT;
123
124int CRYPTO_xts128_encrypt(const XTS128_CONTEXT *ctx, const unsigned char *iv,
23916810 125 const unsigned char *inp, unsigned char *out, size_t len, int enc);