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Diffstat (limited to 'third_party/boringssl/src/include/openssl/des.h')
| -rw-r--r-- | third_party/boringssl/src/include/openssl/des.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/third_party/boringssl/src/include/openssl/des.h b/third_party/boringssl/src/include/openssl/des.h new file mode 100644 index 0000000000..f9db62d6a0 --- /dev/null +++ b/third_party/boringssl/src/include/openssl/des.h @@ -0,0 +1,164 @@ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] */ + +#ifndef OPENSSL_HEADER_DES_H +#define OPENSSL_HEADER_DES_H + +#include <openssl/base.h> + +#if defined(__cplusplus) +extern "C" { +#endif + + +/* DES. */ + + +typedef struct DES_cblock_st { + uint8_t bytes[8]; +} DES_cblock; + +typedef struct DES_ks { + uint32_t subkeys[16][2]; +} DES_key_schedule; + + +#define DES_KEY_SZ (sizeof(DES_cblock)) +#define DES_SCHEDULE_SZ (sizeof(DES_key_schedule)) + +#define DES_ENCRYPT 1 +#define DES_DECRYPT 0 + +#define DES_CBC_MODE 0 +#define DES_PCBC_MODE 1 + +/* DES_set_key performs a key schedule and initialises |schedule| with |key|. */ +OPENSSL_EXPORT void DES_set_key(const DES_cblock *key, + DES_key_schedule *schedule); + +/* DES_set_odd_parity sets the parity bits (the least-significant bits in each + * byte) of |key| given the other bits in each byte. */ +OPENSSL_EXPORT void DES_set_odd_parity(DES_cblock *key); + +/* DES_ecb_encrypt encrypts (or decrypts, if |is_encrypt| is |DES_DECRYPT|) a + * single DES block (8 bytes) from in to out, using the key configured in + * |schedule|. */ +OPENSSL_EXPORT void DES_ecb_encrypt(const DES_cblock *in, DES_cblock *out, + const DES_key_schedule *schedule, + int is_encrypt); + +/* DES_ncbc_encrypt encrypts (or decrypts, if |enc| is |DES_DECRYPT|) |len| + * bytes from |in| to |out| with DES in CBC mode. */ +OPENSSL_EXPORT void DES_ncbc_encrypt(const uint8_t *in, uint8_t *out, + size_t len, + const DES_key_schedule *schedule, + DES_cblock *ivec, int enc); + +/* DES_ecb3_encrypt encrypts (or decrypts, if |enc| is |DES_DECRYPT|) a single + * block (8 bytes) of data from |input| to |output| using 3DES. */ +OPENSSL_EXPORT void DES_ecb3_encrypt(const DES_cblock *input, + DES_cblock *output, + const DES_key_schedule *ks1, + const DES_key_schedule *ks2, + const DES_key_schedule *ks3, + int enc); + +/* DES_ede3_cbc_encrypt encrypts (or decrypts, if |enc| is |DES_DECRYPT|) |len| + * bytes from |in| to |out| with 3DES in CBC mode. 3DES uses three keys, thus + * the function takes three different |DES_key_schedule|s. */ +OPENSSL_EXPORT void DES_ede3_cbc_encrypt(const uint8_t *in, uint8_t *out, + size_t len, + const DES_key_schedule *ks1, + const DES_key_schedule *ks2, + const DES_key_schedule *ks3, + DES_cblock *ivec, int enc); + +/* DES_ede2_cbc_encrypt encrypts (or decrypts, if |enc| is |DES_DECRYPT|) |len| + * bytes from |in| to |out| with 3DES in CBC mode. With this keying option, the + * first and third 3DES keys are identical. Thus, this function takes only two + * different |DES_key_schedule|s. */ +OPENSSL_EXPORT void DES_ede2_cbc_encrypt(const uint8_t *in, uint8_t *out, + size_t len, + const DES_key_schedule *ks1, + const DES_key_schedule *ks2, + DES_cblock *ivec, int enc); + + +/* Deprecated functions. */ + +/* DES_set_key_unchecked calls |DES_set_key|. */ +OPENSSL_EXPORT void DES_set_key_unchecked(const DES_cblock *key, + DES_key_schedule *schedule); + +OPENSSL_EXPORT void DES_ede3_cfb64_encrypt(const uint8_t *in, uint8_t *out, + long length, DES_key_schedule *ks1, + DES_key_schedule *ks2, + DES_key_schedule *ks3, + DES_cblock *ivec, int *num, int enc); + +OPENSSL_EXPORT void DES_ede3_cfb_encrypt(const uint8_t *in, uint8_t *out, + int numbits, long length, + DES_key_schedule *ks1, + DES_key_schedule *ks2, + DES_key_schedule *ks3, + DES_cblock *ivec, int enc); + + +#if defined(__cplusplus) +} /* extern C */ +#endif + +#endif /* OPENSSL_HEADER_DES_H */ |