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bf9710fd5a
This only affects build_android, if nacl-gcc-prep is run then build/`uname -s` will be created.
127 lines
4.3 KiB
C
127 lines
4.3 KiB
C
/*
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* crypto_scalarmult/try.c version 20090118
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* D. J. Bernstein
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* Public domain.
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*/
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#include <stdlib.h>
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#include "crypto_scalarmult.h"
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extern unsigned char *alignedcalloc(unsigned long long);
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const char *primitiveimplementation = crypto_scalarmult_IMPLEMENTATION;
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#define mlen crypto_scalarmult_SCALARBYTES
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#define nlen crypto_scalarmult_SCALARBYTES
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#define plen crypto_scalarmult_BYTES
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#define qlen crypto_scalarmult_BYTES
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#define rlen crypto_scalarmult_BYTES
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static unsigned char *m;
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static unsigned char *n;
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static unsigned char *p;
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static unsigned char *q;
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static unsigned char *r;
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static unsigned char *m2;
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static unsigned char *n2;
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static unsigned char *p2;
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static unsigned char *q2;
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static unsigned char *r2;
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void preallocate(void)
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{
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}
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void allocate(void)
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{
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m = alignedcalloc(mlen);
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n = alignedcalloc(nlen);
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p = alignedcalloc(plen);
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q = alignedcalloc(qlen);
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r = alignedcalloc(rlen);
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m2 = alignedcalloc(mlen + crypto_scalarmult_BYTES);
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n2 = alignedcalloc(nlen + crypto_scalarmult_BYTES);
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p2 = alignedcalloc(plen + crypto_scalarmult_BYTES);
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q2 = alignedcalloc(qlen + crypto_scalarmult_BYTES);
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r2 = alignedcalloc(rlen + crypto_scalarmult_BYTES);
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}
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void predoit(void)
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{
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}
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void doit(void)
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{
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crypto_scalarmult(q,n,p);
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crypto_scalarmult_base(r,n);
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}
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char checksum[crypto_scalarmult_BYTES * 2 + 1];
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const char *checksum_compute(void)
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{
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long long i;
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long long j;
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long long tests;
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for (i = 0;i < mlen;++i) m[i] = i;
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for (i = 0;i < nlen;++i) n[i] = i + 1;
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for (i = 0;i < plen;++i) p[i] = i + 2;
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for (i = 0;i < qlen;++i) q[i] = i + 3;
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for (i = 0;i < rlen;++i) r[i] = i + 4;
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for (i = -16;i < 0;++i) p[i] = random();
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for (i = -16;i < 0;++i) n[i] = random();
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for (i = plen;i < plen + 16;++i) p[i] = random();
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for (i = nlen;i < nlen + 16;++i) n[i] = random();
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for (i = -16;i < plen + 16;++i) p2[i] = p[i];
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for (i = -16;i < nlen + 16;++i) n2[i] = n[i];
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if (crypto_scalarmult_base(p,n) != 0) return "crypto_scalarmult_base returns nonzero";
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for (i = -16;i < nlen + 16;++i) if (n2[i] != n[i]) return "crypto_scalarmult_base overwrites input";
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for (i = -16;i < 0;++i) if (p2[i] != p[i]) return "crypto_scalarmult_base writes before output";
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for (i = plen;i < plen + 16;++i) if (p2[i] != p[i]) return "crypto_scalarmult_base writes after output";
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for (tests = 0;tests < 100;++tests) {
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for (i = -16;i < 0;++i) q[i] = random();
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for (i = -16;i < 0;++i) p[i] = random();
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for (i = -16;i < 0;++i) m[i] = random();
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for (i = qlen;i < qlen + 16;++i) q[i] = random();
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for (i = plen;i < plen + 16;++i) p[i] = random();
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for (i = mlen;i < mlen + 16;++i) m[i] = random();
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for (i = -16;i < qlen + 16;++i) q2[i] = q[i];
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for (i = -16;i < plen + 16;++i) p2[i] = p[i];
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for (i = -16;i < mlen + 16;++i) m2[i] = m[i];
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if (crypto_scalarmult(q,m,p) != 0) return "crypto_scalarmult returns nonzero";
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for (i = -16;i < mlen + 16;++i) if (m2[i] != m[i]) return "crypto_scalarmult overwrites n input";
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for (i = -16;i < plen + 16;++i) if (p2[i] != p[i]) return "crypto_scalarmult overwrites p input";
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for (i = -16;i < 0;++i) if (q2[i] != q[i]) return "crypto_scalarmult writes before output";
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for (i = qlen;i < qlen + 16;++i) if (q2[i] != q[i]) return "crypto_scalarmult writes after output";
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if (crypto_scalarmult(m2,m2,p) != 0) return "crypto_scalarmult returns nonzero";
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for (i = 0;i < qlen;++i) if (q[i] != m2[i]) return "crypto_scalarmult does not handle n overlap";
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for (i = 0;i < qlen;++i) m2[i] = m[i];
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if (crypto_scalarmult(p2,m2,p2) != 0) return "crypto_scalarmult returns nonzero";
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for (i = 0;i < qlen;++i) if (q[i] != p2[i]) return "crypto_scalarmult does not handle p overlap";
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if (crypto_scalarmult(r,n,q) != 0) return "crypto_scalarmult returns nonzero";
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if (crypto_scalarmult(q,n,p) != 0) return "crypto_scalarmult returns nonzero";
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if (crypto_scalarmult(p,m,q) != 0) return "crypto_scalarmult returns nonzero";
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for (j = 0;j < plen;++j) if (p[j] != r[j]) return "crypto_scalarmult not associative";
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for (j = 0;j < mlen;++j) m[j] ^= q[j % qlen];
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for (j = 0;j < nlen;++j) n[j] ^= p[j % plen];
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}
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for (i = 0;i < crypto_scalarmult_BYTES;++i) {
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checksum[2 * i] = "0123456789abcdef"[15 & (p[i] >> 4)];
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checksum[2 * i + 1] = "0123456789abcdef"[15 & p[i]];
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}
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checksum[2 * i] = 0;
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return 0;
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}
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