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52 lines
974 B
C
52 lines
974 B
C
/* gen164/5/ed_sign.c
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**
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** This file is in the public domain.
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*/
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#include "all.h"
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#include <ed25519.h>
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/* functions
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*/
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static u2_noun
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_cqee_sign(u2_noun a, u2_noun b)
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{
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c3_y sig_y[64];
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c3_y sed_y[32];
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c3_y pub_y[64];
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c3_y sec_y[64];
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c3_w mesm_w = u2_cr_met(3, a);
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c3_w mess_w = u2_cr_met(3, b);
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c3_y* mes_y = 0;
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memset(sig_y, 0, 64);
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memset(sed_y, 0, 32);
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memset(pub_y, 0, 64);
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memset(sec_y, 0, 64);
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mes_y = malloc(mesm_w);
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u2_cr_bytes(0, mesm_w, mes_y, a);
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u2_cr_bytes(0, mess_w, sed_y, b);
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ed25519_create_keypair(pub_y, sec_y, sed_y);
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ed25519_sign(sig_y, mes_y, mesm_w, pub_y, sec_y);
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free(mes_y);
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return u2_ci_bytes(64, sig_y);
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}
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u2_noun
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u2_cwee_sign(u2_noun cor)
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{
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u2_noun a, b;
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if ( u2_no == u2_cr_mean(cor,
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u2_cv_sam_2, &a, u2_cv_sam_3, &b, 0) ) {
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return u2_cm_bail(c3__fail);
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} else {
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return _cqee_sign(a, b);
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}
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}
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