tsan/rtl/tsan_md5.cpp

41 static const void *body(MD5_CTX *ctx, const void *data, ulong_t size) {
46   a = ctx->a;
47   b = ctx->b;
48   c = ctx->c;
49   d = ctx->d;
133   ctx->a = a;
134   ctx->b = b;
135   ctx->c = c;
136   ctx->d = d;
149 void MD5_Init(MD5_CTX *ctx) {
150   ctx->a = 0x67452301;
151   ctx->b = 0xefcdab89;
152   ctx->c = 0x98badcfe;
153   ctx->d = 0x10325476;
155   ctx->lo = 0;
156   ctx->hi = 0;
159 void MD5_Update(MD5_CTX *ctx, const void *data, ulong_t size) {
163   saved_lo = ctx->lo;
164   if ((ctx->lo = (saved_lo + size) & 0x1fffffff) < saved_lo)
165     ctx->hi++;
166   ctx->hi += size >> 29;
174       internal_memcpy(&ctx->buffer[used], data, size);
178     internal_memcpy(&ctx->buffer[used], data, free);
181     body(ctx, ctx->buffer, 64);
185     data = body(ctx, data, size & ~(ulong_t)0x3f);
189   internal_memcpy(ctx->buffer, data, size);
192 void MD5_Final(unsigned char *result, MD5_CTX *ctx) {
195   used = ctx->lo & 0x3f;
197   ctx->buffer[used++] = 0x80;
202     internal_memset(&ctx->buffer[used], 0, free);
203     body(ctx, ctx->buffer, 64);
208   internal_memset(&ctx->buffer[used], 0, free - 8);
210   ctx->lo <<= 3;
211   ctx->buffer[56] = ctx->lo;
212   ctx->buffer[57] = ctx->lo >> 8;
213   ctx->buffer[58] = ctx->lo >> 16;
214   ctx->buffer[59] = ctx->lo >> 24;
215   ctx->buffer[60] = ctx->hi;
216   ctx->buffer[61] = ctx->hi >> 8;
217   ctx->buffer[62] = ctx->hi >> 16;
218   ctx->buffer[63] = ctx->hi >> 24;
220   body(ctx, ctx->buffer, 64);
222   result[0] = ctx->a;
223   result[1] = ctx->a >> 8;
224   result[2] = ctx->a >> 16;
225   result[3] = ctx->a >> 24;
226   result[4] = ctx->b;
227   result[5] = ctx->b >> 8;
228   result[6] = ctx->b >> 16;
229   result[7] = ctx->b >> 24;
230   result[8] = ctx->c;
231   result[9] = ctx->c >> 8;
232   result[10] = ctx->c >> 16;
233   result[11] = ctx->c >> 24;
234   result[12] = ctx->d;
235   result[13] = ctx->d >> 8;
236   result[14] = ctx->d >> 16;
237   result[15] = ctx->d >> 24;
239   internal_memset(ctx, 0, sizeof(*ctx));
244   MD5_CTX ctx;
245   MD5_Init(&ctx);
246   MD5_Update(&ctx, data, size);
247   MD5_Final((unsigned char*)&res.hash[0], &ctx);