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add jets for luck:ed, sign-raw:ed, sign-raw-octs:ed, scad:ed, scas:ed…
…, scap:ed (#748) - luck:ed and sign-(octs-)raw go together - luck:ed generates a public private keypair where the private keypair is generated from SHA512(seed) and the usual EdDSA clamping procedure is done on the first 32 bytes. - sign-(octs-)raw allows one to sign from a keypair generated with luck (or, from sca(d/s)) - scad, scas, scap allows one to 'tweak' a public/private keypair with a scalar - scad tweaks public and private - scas tweaks private - scap tweaks public
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| /// @file | ||
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| #include "jets/q.h" | ||
| #include "jets/w.h" | ||
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| #include "noun.h" | ||
| #include "urcrypt.h" | ||
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| static u3_atom | ||
| _cqee_luck(u3_atom sed) | ||
| { | ||
| c3_y sed_y[32]; | ||
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| if ( 0 != u3r_bytes_fit(32, sed_y, sed) ) { | ||
| // hoon explicitly crashes on mis-size | ||
| return u3m_bail(c3__exit); | ||
| } | ||
| else { | ||
| c3_y pub_y[32]; | ||
| c3_y sec_y[64]; | ||
| urcrypt_ed_luck(sed_y, pub_y, sec_y); | ||
| return u3nc(u3i_bytes(32, pub_y), u3i_bytes(64, sec_y)); | ||
| } | ||
| } | ||
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| u3_noun | ||
| u3wee_luck(u3_noun cor) | ||
| { | ||
| u3_noun a = u3r_at(u3x_sam, cor); | ||
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| if ( (u3_none == a) || (c3n == u3ud(a)) ) { | ||
| return u3m_bail(c3__exit); | ||
| } | ||
| else { | ||
| return _cqee_luck(a); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| /// @file | ||
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| #include "jets/q.h" | ||
| #include "jets/w.h" | ||
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| #include "noun.h" | ||
| #include "urcrypt.h" | ||
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| static u3_atom | ||
| _cqee_point_neg(u3_atom a) | ||
| { | ||
| c3_y a_y[32]; | ||
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| if ( (0 != u3r_bytes_fit(32, a_y, a)) || | ||
| (0 != urcrypt_ed_point_neg(a_y)) ) { | ||
| return u3m_bail(c3__exit); | ||
| } | ||
| else { | ||
| return u3i_bytes(32, a_y); | ||
| } | ||
| } | ||
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| u3_noun | ||
| u3wee_point_neg(u3_noun cor) | ||
| { | ||
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| u3_noun a; | ||
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| if ( (u3_none == (a = u3r_at(u3x_sam, cor))) || | ||
| (c3n == u3ud(a)) ) | ||
| { | ||
| return u3m_bail(c3__exit); | ||
| } else { | ||
| return _cqee_point_neg(a); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| /// @file | ||
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| #include "jets/q.h" | ||
| #include "jets/w.h" | ||
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| #include "noun.h" | ||
| #include "urcrypt.h" | ||
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| // `@ux`(rev 3 32 l:ed:crypto) | ||
| static c3_y _cqee_l_prime[] = { | ||
| 0xed, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58, | ||
| 0xd6, 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14, | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, | ||
| }; | ||
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| u3_atom | ||
| u3qee_recs(u3_atom a) | ||
| { | ||
| c3_w met_w = u3r_met(3, a); | ||
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| if ( 64 < met_w ) { | ||
| u3_atom l_prime = u3i_bytes(32, _cqee_l_prime); | ||
| u3_atom pro = u3qa_mod(a, l_prime); | ||
| u3z(l_prime); | ||
| return pro; | ||
| } | ||
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| c3_y a_y[64]; | ||
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| u3r_bytes(0, 64, a_y, a); | ||
| urcrypt_ed_scalar_reduce(a_y); | ||
| return u3i_bytes(32, a_y); | ||
| } | ||
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| u3_noun | ||
| u3wee_recs(u3_noun cor) | ||
| { | ||
| u3_noun a; | ||
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| if ( (u3_none == (a = u3r_at(u3x_sam, cor))) || | ||
| (c3n == u3ud(a)) ) | ||
| { | ||
| return u3m_bail(c3__exit); | ||
| } else { | ||
| return u3qee_recs(a); | ||
| } | ||
| } |
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