2 * eax-test.c: test harness for EAX, implementation
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24 * ./eax-foo-test <eax-foo-test.vectors
25 * runs the test vectors, regenerates the file on stdout
26 * grep -v CIPHER <eax-foo-test.vectors | ./eax-foo-test
27 * generates output with CIPHER lines reinserted
28 * All errors result in calls to abort().
38 #define V(vb) ((vb).v), ((vb).len)
40 static struct valbuf msg, key, nonce, header, cipher, ourcipher, returnplain;
43 static void trydecrypt(_Bool expected)
45 _Bool actual = eax_decrypt(-1, V(nonce), V(header), V(ourcipher), tau,
47 assert(actual == expected);
49 returnplain.len = ourcipher.len - tau;
50 assert(returnplain.len == msg.len);
51 assert(!memcmp(returnplain.v, msg.v, msg.len));
55 static void negtest(struct valbuf *perturb)
57 unsigned delta = 0x04;
59 for (i=0; i<perturb->len; i++) {
60 perturb->v[i] ^= delta;
62 perturb->v[i] ^= delta;
66 static void something(void)
72 eaxtest_blockcipher_key_setup(V(key));
75 assert(cipher.len > msg.len);
76 tau = cipher.len - msg.len;
77 assert(tau <= blocksize);
79 assert(msg.len + blocksize < sizeof(ourcipher.v));
82 ourcipher.len = msg.len + tau;
83 eax_encrypt(-1, V(nonce), V(header), V(msg), tau, ourcipher.v);
85 assert(ourcipher.len == cipher.len);
86 assert(!memcmp(ourcipher.v, cipher.v, cipher.len));
93 for (i=0; i<ourcipher.len; i++)
94 printf("%02X", ourcipher.v[i]);
97 msg.got=key.got=nonce.got=header.got=0;
100 static int getputchar(void)
108 int main(int argc, const char *const *argv)
117 case 'M': something(); cv = &msg; putchar(c); break;
118 case 'K': cv = &key; putchar(c); break;
119 case 'N': cv = &nonce; putchar(c); break;
120 case 'H': cv = &header; putchar(c); break;
121 case 'C': cv = &cipher; putchar(c); break;
122 case '\n': putchar(c); continue;
123 case EOF: something(); exit(0);
124 default: assert(!"unexpected input");
136 if (c == '\n') break;
137 if (isspace(c)) continue;
144 assert(cv->len < sizeof(cv->v));
145 cv->v[cv->len++] = strtoul(hbuf,&ep,16);
149 assert(!ferror(stdin));
151 assert(!ferror(stdout));
152 assert(!fflush(stdout));