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71 lines
2.6 KiB
C
71 lines
2.6 KiB
C
#ifndef SC25519_H
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#define SC25519_H
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#include "compat.h"
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#define sc25519 CRYPTO_NAMESPACE(batch_sc25519)
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#define shortsc25519 CRYPTO_NAMESPACE(batch_shortsc25519)
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#define sc25519_from32bytes CRYPTO_NAMESPACE(batch_sc25519_from32bytes)
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#define shortsc25519_from16bytes CRYPTO_NAMESPACE(batch_shortsc25519_from16bytes)
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#define sc25519_from64bytes CRYPTO_NAMESPACE(batch_sc25519_from64bytes)
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#define sc25519_from_shortsc CRYPTO_NAMESPACE(batch_sc25519_from_shortsc)
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#define sc25519_to32bytes CRYPTO_NAMESPACE(batch_sc25519_to32bytes)
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#define sc25519_iszero_vartime CRYPTO_NAMESPACE(batch_sc25519_iszero_vartime)
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#define sc25519_isshort_vartime CRYPTO_NAMESPACE(batch_sc25519_isshort_vartime)
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#define sc25519_lt CRYPTO_NAMESPACE(batch_sc25519_lt)
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#define sc25519_add CRYPTO_NAMESPACE(batch_sc25519_add)
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#define sc25519_sub_nored CRYPTO_NAMESPACE(batch_sc25519_sub_nored)
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#define sc25519_mul CRYPTO_NAMESPACE(batch_sc25519_mul)
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#define sc25519_mul_shortsc CRYPTO_NAMESPACE(batch_sc25519_mul_shortsc)
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#define sc25519_window4 CRYPTO_NAMESPACE(batch_sc25519_window4)
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#define sc25519_window5 CRYPTO_NAMESPACE(batch_sc25519_window5)
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#define sc25519_slide CRYPTO_NAMESPACE(batch_sc25519_slide)
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#define sc25519_2interleave2 CRYPTO_NAMESPACE(batch_sc25519_2interleave2)
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#define sc25519_barrett CRYPTO_NAMESPACE(batch_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) SYSVABI;
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void sc25519_add(sc25519 *r, const sc25519 *x, const sc25519 *y) SYSVABI;
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void sc25519_sub_nored(sc25519 *r, const sc25519 *x, const sc25519 *y) SYSVABI;
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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[64], const sc25519 *s);
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void sc25519_window5(signed char r[51], 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]) SYSVABI;
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#endif
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