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66 lines
2.6 KiB
66 lines
2.6 KiB
#ifndef SC25519_H |
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#define SC25519_H |
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#define sc25519 crypto_sign_ed25519_amd64_64_sc25519 |
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#define shortsc25519 crypto_sign_ed25519_amd64_64_shortsc25519 |
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#define sc25519_from32bytes crypto_sign_ed25519_amd64_64_sc25519_from32bytes |
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#define shortsc25519_from16bytes crypto_sign_ed25519_amd64_64_shortsc25519_from16bytes |
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#define sc25519_from64bytes crypto_sign_ed25519_amd64_64_sc25519_from64bytes |
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#define sc25519_from_shortsc crypto_sign_ed25519_amd64_64_sc25519_from_shortsc |
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#define sc25519_to32bytes crypto_sign_ed25519_amd64_64_sc25519_to32bytes |
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#define sc25519_iszero_vartime crypto_sign_ed25519_amd64_64_sc25519_iszero_vartime |
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#define sc25519_isshort_vartime crypto_sign_ed25519_amd64_64_sc25519_isshort_vartime |
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#define sc25519_lt crypto_sign_ed25519_amd64_64_sc25519_lt |
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#define sc25519_add crypto_sign_ed25519_amd64_64_sc25519_add |
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#define sc25519_sub_nored crypto_sign_ed25519_amd64_64_sc25519_sub_nored |
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#define sc25519_mul crypto_sign_ed25519_amd64_64_sc25519_mul |
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#define sc25519_mul_shortsc crypto_sign_ed25519_amd64_64_sc25519_mul_shortsc |
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#define sc25519_window4 crypto_sign_ed25519_amd64_64_sc25519_window4 |
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#define sc25519_slide crypto_sign_ed25519_amd64_64_sc25519_slide |
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#define sc25519_2interleave2 crypto_sign_ed25519_amd64_64_sc25519_2interleave2 |
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#define sc25519_barrett crypto_sign_ed25519_amd64_64_sc25519_barrett |
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typedef struct |
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{ |
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unsigned long long v[4]; |
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} |
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sc25519; |
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typedef struct |
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{ |
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unsigned long long v[2]; |
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} |
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shortsc25519; |
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void sc25519_from32bytes(sc25519 *r, const unsigned char x[32]); |
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void sc25519_from64bytes(sc25519 *r, const unsigned char x[64]); |
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void sc25519_from_shortsc(sc25519 *r, const shortsc25519 *x); |
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void sc25519_to32bytes(unsigned char r[32], const sc25519 *x); |
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int sc25519_iszero_vartime(const sc25519 *x); |
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int sc25519_lt(const sc25519 *x, const sc25519 *y); |
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void sc25519_add(sc25519 *r, const sc25519 *x, const sc25519 *y); |
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void sc25519_sub_nored(sc25519 *r, const sc25519 *x, const sc25519 *y); |
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void sc25519_mul(sc25519 *r, const sc25519 *x, const sc25519 *y); |
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void sc25519_mul_shortsc(sc25519 *r, const sc25519 *x, const shortsc25519 *y); |
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/* Convert s into a representation of the form \sum_{i=0}^{63}r[i]2^(4*i) |
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* with r[i] in {-8,...,7} |
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*/ |
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void sc25519_window4(signed char r[85], const sc25519 *s); |
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void sc25519_slide(signed char r[256], const sc25519 *s, int swindowsize); |
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void sc25519_2interleave2(unsigned char r[127], const sc25519 *s1, const sc25519 *s2); |
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void sc25519_barrett(sc25519 *r, unsigned long long x[8]); |
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#endif
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