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Diffstat (limited to 'src/libstrongswan/plugins/twofish/twofish.h')
| -rw-r--r-- | src/libstrongswan/plugins/twofish/twofish.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/libstrongswan/plugins/twofish/twofish.h b/src/libstrongswan/plugins/twofish/twofish.h new file mode 100644 index 000000000..f9013f90f --- /dev/null +++ b/src/libstrongswan/plugins/twofish/twofish.h @@ -0,0 +1,23 @@ +#ifndef TWOFISH_H +#define TWOFISH_H +#ifdef __KERNEL__ +#include <linux/types.h> +#else +#include <sys/types.h> +#endif + +/* Structure for an expanded Twofish key. s contains the key-dependent + * S-boxes composed with the MDS matrix; w contains the eight "whitening" + * subkeys, K[0] through K[7]. k holds the remaining, "round" subkeys. Note + * that k[i] corresponds to what the Twofish paper calls K[i+8]. */ +typedef struct twofish_context { + u_int32_t s[4][256], w[8], k[32]; +} TWOFISH_context; + +typedef struct twofish_context twofish_context; + +int twofish_set_key(twofish_context *tf_ctx, const u_int8_t * in_key, int key_len); +int twofish_encrypt(twofish_context *tf_ctx, const u_int8_t * in, u_int8_t * out); +int twofish_decrypt(twofish_context * tf_ctx, const u_int8_t * in, u_int8_t * out); + +#endif /* TWOFISH_H */ |