18 lines
457 B
C
18 lines
457 B
C
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#ifndef UTSM_CRYPTO_H
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#define UTSM_CRYPTO_H
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#include <utsm/types.h>
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#include <utsm/uuid.h>
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struct utsm_segment_desc;
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typedef struct {
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u64 words[4];
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} utsm_key_material;
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void utsm_kdf_segment_key(uuid128_t process_uuid, uuid128_t segment_uuid, u64 key_epoch, utsm_key_material *out_key);
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u64 utsm_make_tweak(u64 tweak_seed, u64 line_index, u64 key_epoch);
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void utsm_crypt_line(const utsm_key_material *key, u64 tweak, const u8 *in, u8 *out);
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#endif
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