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https://github.com/servalproject/serval-dna.git
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bf9710fd5a
This only affects build_android, if nacl-gcc-prep is run then build/`uname -s` will be created.
120 lines
4.0 KiB
C
120 lines
4.0 KiB
C
/*
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* crypto_auth/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 "crypto_hash_sha256.h"
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#include "crypto_auth.h"
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extern unsigned char *alignedcalloc(unsigned long long);
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const char *primitiveimplementation = crypto_auth_IMPLEMENTATION;
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#define MAXTEST_BYTES 10000
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#define CHECKSUM_BYTES 4096
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#define TUNE_BYTES 1536
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static unsigned char *h;
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static unsigned char *m;
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static unsigned char *k;
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static unsigned char *h2;
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static unsigned char *m2;
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static unsigned char *k2;
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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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h = alignedcalloc(crypto_auth_BYTES);
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m = alignedcalloc(MAXTEST_BYTES);
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k = alignedcalloc(crypto_auth_KEYBYTES);
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h2 = alignedcalloc(crypto_auth_BYTES);
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m2 = alignedcalloc(MAXTEST_BYTES + crypto_auth_BYTES);
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k2 = alignedcalloc(crypto_auth_KEYBYTES + crypto_auth_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_auth(h,m,TUNE_BYTES,k);
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crypto_auth_verify(h,m,TUNE_BYTES,k);
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}
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char checksum[crypto_auth_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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for (i = 0;i < CHECKSUM_BYTES;++i) {
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long long mlen = i;
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long long klen = crypto_auth_KEYBYTES;
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long long hlen = crypto_auth_BYTES;
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for (j = -16;j < 0;++j) h[j] = random();
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for (j = -16;j < 0;++j) k[j] = random();
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for (j = -16;j < 0;++j) m[j] = random();
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for (j = hlen;j < hlen + 16;++j) h[j] = random();
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for (j = klen;j < klen + 16;++j) k[j] = random();
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for (j = mlen;j < mlen + 16;++j) m[j] = random();
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for (j = -16;j < hlen + 16;++j) h2[j] = h[j];
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for (j = -16;j < klen + 16;++j) k2[j] = k[j];
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for (j = -16;j < mlen + 16;++j) m2[j] = m[j];
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if (crypto_auth(h,m,mlen,k) != 0) return "crypto_auth returns nonzero";
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for (j = -16;j < klen + 16;++j) if (k[j] != k2[j]) return "crypto_auth overwrites k";
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for (j = -16;j < mlen + 16;++j) if (m[j] != m2[j]) return "crypto_auth overwrites m";
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for (j = -16;j < 0;++j) if (h[j] != h2[j]) return "crypto_auth writes before output";
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for (j = hlen;j < hlen + 16;++j) if (h[j] != h2[j]) return "crypto_auth writes after output";
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for (j = -16;j < 0;++j) h[j] = random();
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for (j = -16;j < 0;++j) k[j] = random();
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for (j = -16;j < 0;++j) m[j] = random();
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for (j = hlen;j < hlen + 16;++j) h[j] = random();
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for (j = klen;j < klen + 16;++j) k[j] = random();
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for (j = mlen;j < mlen + 16;++j) m[j] = random();
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for (j = -16;j < hlen + 16;++j) h2[j] = h[j];
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for (j = -16;j < klen + 16;++j) k2[j] = k[j];
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for (j = -16;j < mlen + 16;++j) m2[j] = m[j];
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if (crypto_auth(m2,m2,mlen,k) != 0) return "crypto_auth returns nonzero";
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for (j = 0;j < hlen;++j) if (m2[j] != h[j]) return "crypto_auth does not handle m overlap";
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for (j = 0;j < hlen;++j) m2[j] = m[j];
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if (crypto_auth(k2,m2,mlen,k2) != 0) return "crypto_auth returns nonzero";
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for (j = 0;j < hlen;++j) if (k2[j] != h[j]) return "crypto_auth does not handle k overlap";
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for (j = 0;j < hlen;++j) k2[j] = k[j];
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if (crypto_auth_verify(h,m,mlen,k) != 0) return "crypto_auth_verify returns nonzero";
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for (j = -16;j < hlen + 16;++j) if (h[j] != h2[j]) return "crypto_auth overwrites h";
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for (j = -16;j < klen + 16;++j) if (k[j] != k2[j]) return "crypto_auth overwrites k";
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for (j = -16;j < mlen + 16;++j) if (m[j] != m2[j]) return "crypto_auth overwrites m";
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crypto_hash_sha256(h2,h,hlen);
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for (j = 0;j < klen;++j) k[j] ^= h2[j % 32];
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if (crypto_auth(h,m,mlen,k) != 0) return "crypto_auth returns nonzero";
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if (crypto_auth_verify(h,m,mlen,k) != 0) return "crypto_auth_verify returns nonzero";
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crypto_hash_sha256(h2,h,hlen);
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for (j = 0;j < mlen;++j) m[j] ^= h2[j % 32];
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m[mlen] = h2[0];
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}
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if (crypto_auth(h,m,CHECKSUM_BYTES,k) != 0) return "crypto_auth returns nonzero";
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if (crypto_auth_verify(h,m,CHECKSUM_BYTES,k) != 0) return "crypto_auth_verify returns nonzero";
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for (i = 0;i < crypto_auth_BYTES;++i) {
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checksum[2 * i] = "0123456789abcdef"[15 & (h[i] >> 4)];
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checksum[2 * i + 1] = "0123456789abcdef"[15 & h[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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