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| #include "php_hash.h" |
| #include "php_hash_gost.h" |
| #include "php_hash_gost_tables.h" |
|
|
| |
| |
| |
|
|
| #define round(tables, k1, k2) \ |
| t = (k1) + r; \ |
| l ^= tables[0][t & 0xff] ^ tables[1][(t >> 8) & 0xff] ^ \ |
| tables[2][(t >> 16) & 0xff] ^ tables[3][t >> 24]; \ |
| t = (k2) + l; \ |
| r ^= tables[0][t & 0xff] ^ tables[1][(t >> 8) & 0xff] ^ \ |
| tables[2][(t >> 16) & 0xff] ^ tables[3][t >> 24]; |
|
|
| #define R(tables, key, h, i, t, l, r) \ |
| r = h[i]; \ |
| l = h[i + 1]; \ |
| round(tables, key[0], key[1]) \ |
| round(tables, key[2], key[3]) \ |
| round(tables, key[4], key[5]) \ |
| round(tables, key[6], key[7]) \ |
| round(tables, key[0], key[1]) \ |
| round(tables, key[2], key[3]) \ |
| round(tables, key[4], key[5]) \ |
| round(tables, key[6], key[7]) \ |
| round(tables, key[0], key[1]) \ |
| round(tables, key[2], key[3]) \ |
| round(tables, key[4], key[5]) \ |
| round(tables, key[6], key[7]) \ |
| round(tables, key[7], key[6]) \ |
| round(tables, key[5], key[4]) \ |
| round(tables, key[3], key[2]) \ |
| round(tables, key[1], key[0]) \ |
| t = r; \ |
| r = l; \ |
| l = t; \ |
| |
| #define X(w, u, v) \ |
| w[0] = u[0] ^ v[0]; \ |
| w[1] = u[1] ^ v[1]; \ |
| w[2] = u[2] ^ v[2]; \ |
| w[3] = u[3] ^ v[3]; \ |
| w[4] = u[4] ^ v[4]; \ |
| w[5] = u[5] ^ v[5]; \ |
| w[6] = u[6] ^ v[6]; \ |
| w[7] = u[7] ^ v[7]; |
|
|
| #define P(key, w) \ |
| key[0] = (w[0] & 0x000000ff) | ((w[2] & 0x000000ff) << 8) | \ |
| ((w[4] & 0x000000ff) << 16) | ((w[6] & 0x000000ff) << 24); \ |
| key[1] = ((w[0] & 0x0000ff00) >> 8) | (w[2] & 0x0000ff00) | \ |
| ((w[4] & 0x0000ff00) << 8) | ((w[6] & 0x0000ff00) << 16); \ |
| key[2] = ((w[0] & 0x00ff0000) >> 16) | ((w[2] & 0x00ff0000) >> 8) | \ |
| (w[4] & 0x00ff0000) | ((w[6] & 0x00ff0000) << 8); \ |
| key[3] = ((w[0] & 0xff000000) >> 24) | ((w[2] & 0xff000000) >> 16) | \ |
| ((w[4] & 0xff000000) >> 8) | (w[6] & 0xff000000); \ |
| key[4] = (w[1] & 0x000000ff) | ((w[3] & 0x000000ff) << 8) | \ |
| ((w[5] & 0x000000ff) << 16) | ((w[7] & 0x000000ff) << 24); \ |
| key[5] = ((w[1] & 0x0000ff00) >> 8) | (w[3] & 0x0000ff00) | \ |
| ((w[5] & 0x0000ff00) << 8) | ((w[7] & 0x0000ff00) << 16); \ |
| key[6] = ((w[1] & 0x00ff0000) >> 16) | ((w[3] & 0x00ff0000) >> 8) | \ |
| (w[5] & 0x00ff0000) | ((w[7] & 0x00ff0000) << 8); \ |
| key[7] = ((w[1] & 0xff000000) >> 24) | ((w[3] & 0xff000000) >> 16) | \ |
| ((w[5] & 0xff000000) >> 8) | (w[7] & 0xff000000); |
|
|
| #define A(x, l, r) \ |
| l = x[0] ^ x[2]; \ |
| r = x[1] ^ x[3]; \ |
| x[0] = x[2]; \ |
| x[1] = x[3]; \ |
| x[2] = x[4]; \ |
| x[3] = x[5]; \ |
| x[4] = x[6]; \ |
| x[5] = x[7]; \ |
| x[6] = l; \ |
| x[7] = r; |
|
|
| #define AA(x, l, r) \ |
| l = x[0]; \ |
| r = x[2]; \ |
| x[0] = x[4]; \ |
| x[2] = x[6]; \ |
| x[4] = l ^ r; \ |
| x[6] = x[0] ^ r; \ |
| l = x[1]; \ |
| r = x[3]; \ |
| x[1] = x[5]; \ |
| x[3] = x[7]; \ |
| x[5] = l ^ r; \ |
| x[7] = x[1] ^ r; |
|
|
| #define C(x) \ |
| x[0] ^= 0xff00ff00; \ |
| x[1] ^= 0xff00ff00; \ |
| x[2] ^= 0x00ff00ff; \ |
| x[3] ^= 0x00ff00ff; \ |
| x[4] ^= 0x00ffff00; \ |
| x[5] ^= 0xff0000ff; \ |
| x[6] ^= 0x000000ff; \ |
| x[7] ^= 0xff00ffff; |
|
|
| #define S(s, l, r) \ |
| s[i] = r; \ |
| s[i + 1] = l; |
|
|
| #define SHIFT12(u, m, s) \ |
| u[0] = m[0] ^ s[6]; \ |
| u[1] = m[1] ^ s[7]; \ |
| u[2] = m[2] ^ (s[0] << 16) ^ (s[0] >> 16) ^ (s[0] & 0xffff) ^ \ |
| (s[1] & 0xffff) ^ (s[1] >> 16) ^ (s[2] << 16) ^ s[6] ^ (s[6] << 16) ^ \ |
| (s[7] & 0xffff0000) ^ (s[7] >> 16); \ |
| u[3] = m[3] ^ (s[0] & 0xffff) ^ (s[0] << 16) ^ (s[1] & 0xffff) ^ \ |
| (s[1] << 16) ^ (s[1] >> 16) ^ (s[2] << 16) ^ (s[2] >> 16) ^ \ |
| (s[3] << 16) ^ s[6] ^ (s[6] << 16) ^ (s[6] >> 16) ^ (s[7] & 0xffff) ^ \ |
| (s[7] << 16) ^ (s[7] >> 16); \ |
| u[4] = m[4] ^ \ |
| (s[0] & 0xffff0000) ^ (s[0] << 16) ^ (s[0] >> 16) ^ \ |
| (s[1] & 0xffff0000) ^ (s[1] >> 16) ^ (s[2] << 16) ^ (s[2] >> 16) ^ \ |
| (s[3] << 16) ^ (s[3] >> 16) ^ (s[4] << 16) ^ (s[6] << 16) ^ \ |
| (s[6] >> 16) ^(s[7] & 0xffff) ^ (s[7] << 16) ^ (s[7] >> 16); \ |
| u[5] = m[5] ^ (s[0] << 16) ^ (s[0] >> 16) ^ (s[0] & 0xffff0000) ^ \ |
| (s[1] & 0xffff) ^ s[2] ^ (s[2] >> 16) ^ (s[3] << 16) ^ (s[3] >> 16) ^ \ |
| (s[4] << 16) ^ (s[4] >> 16) ^ (s[5] << 16) ^ (s[6] << 16) ^ \ |
| (s[6] >> 16) ^ (s[7] & 0xffff0000) ^ (s[7] << 16) ^ (s[7] >> 16); \ |
| u[6] = m[6] ^ s[0] ^ (s[1] >> 16) ^ (s[2] << 16) ^ s[3] ^ (s[3] >> 16) ^ \ |
| (s[4] << 16) ^ (s[4] >> 16) ^ (s[5] << 16) ^ (s[5] >> 16) ^ s[6] ^ \ |
| (s[6] << 16) ^ (s[6] >> 16) ^ (s[7] << 16); \ |
| u[7] = m[7] ^ (s[0] & 0xffff0000) ^ (s[0] << 16) ^ (s[1] & 0xffff) ^ \ |
| (s[1] << 16) ^ (s[2] >> 16) ^ (s[3] << 16) ^ s[4] ^ (s[4] >> 16) ^ \ |
| (s[5] << 16) ^ (s[5] >> 16) ^ (s[6] >> 16) ^ (s[7] & 0xffff) ^ \ |
| (s[7] << 16) ^ (s[7] >> 16); |
|
|
| #define SHIFT16(h, v, u) \ |
| v[0] = h[0] ^ (u[1] << 16) ^ (u[0] >> 16); \ |
| v[1] = h[1] ^ (u[2] << 16) ^ (u[1] >> 16); \ |
| v[2] = h[2] ^ (u[3] << 16) ^ (u[2] >> 16); \ |
| v[3] = h[3] ^ (u[4] << 16) ^ (u[3] >> 16); \ |
| v[4] = h[4] ^ (u[5] << 16) ^ (u[4] >> 16); \ |
| v[5] = h[5] ^ (u[6] << 16) ^ (u[5] >> 16); \ |
| v[6] = h[6] ^ (u[7] << 16) ^ (u[6] >> 16); \ |
| v[7] = h[7] ^ (u[0] & 0xffff0000) ^ (u[0] << 16) ^ (u[7] >> 16) ^ \ |
| (u[1] & 0xffff0000) ^ (u[1] << 16) ^ (u[6] << 16) ^ (u[7] & 0xffff0000); |
|
|
| #define SHIFT61(h, v) \ |
| h[0] = (v[0] & 0xffff0000) ^ (v[0] << 16) ^ (v[0] >> 16) ^ (v[1] >> 16) ^ \ |
| (v[1] & 0xffff0000) ^ (v[2] << 16) ^ (v[3] >> 16) ^ (v[4] << 16) ^ \ |
| (v[5] >> 16) ^ v[5] ^ (v[6] >> 16) ^ (v[7] << 16) ^ (v[7] >> 16) ^ \ |
| (v[7] & 0xffff); \ |
| h[1] = (v[0] << 16) ^ (v[0] >> 16) ^ (v[0] & 0xffff0000) ^ (v[1] & 0xffff) ^ \ |
| v[2] ^ (v[2] >> 16) ^ (v[3] << 16) ^ (v[4] >> 16) ^ (v[5] << 16) ^ \ |
| (v[6] << 16) ^ v[6] ^ (v[7] & 0xffff0000) ^ (v[7] >> 16); \ |
| h[2] = (v[0] & 0xffff) ^ (v[0] << 16) ^ (v[1] << 16) ^ (v[1] >> 16) ^ \ |
| (v[1] & 0xffff0000) ^ (v[2] << 16) ^ (v[3] >> 16) ^ v[3] ^ (v[4] << 16) ^ \ |
| (v[5] >> 16) ^ v[6] ^ (v[6] >> 16) ^ (v[7] & 0xffff) ^ (v[7] << 16) ^ \ |
| (v[7] >> 16); \ |
| h[3] = (v[0] << 16) ^ (v[0] >> 16) ^ (v[0] & 0xffff0000) ^ \ |
| (v[1] & 0xffff0000) ^ (v[1] >> 16) ^ (v[2] << 16) ^ (v[2] >> 16) ^ v[2] ^ \ |
| (v[3] << 16) ^ (v[4] >> 16) ^ v[4] ^ (v[5] << 16) ^ (v[6] << 16) ^ \ |
| (v[7] & 0xffff) ^ (v[7] >> 16); \ |
| h[4] = (v[0] >> 16) ^ (v[1] << 16) ^ v[1] ^ (v[2] >> 16) ^ v[2] ^ \ |
| (v[3] << 16) ^ (v[3] >> 16) ^ v[3] ^ (v[4] << 16) ^ (v[5] >> 16) ^ \ |
| v[5] ^ (v[6] << 16) ^ (v[6] >> 16) ^ (v[7] << 16); \ |
| h[5] = (v[0] << 16) ^ (v[0] & 0xffff0000) ^ (v[1] << 16) ^ (v[1] >> 16) ^ \ |
| (v[1] & 0xffff0000) ^ (v[2] << 16) ^ v[2] ^ (v[3] >> 16) ^ v[3] ^ \ |
| (v[4] << 16) ^ (v[4] >> 16) ^ v[4] ^ (v[5] << 16) ^ (v[6] << 16) ^ \ |
| (v[6] >> 16) ^ v[6] ^ (v[7] << 16) ^ (v[7] >> 16) ^ (v[7] & 0xffff0000); \ |
| h[6] = v[0] ^ v[2] ^ (v[2] >> 16) ^ v[3] ^ (v[3] << 16) ^ v[4] ^ \ |
| (v[4] >> 16) ^ (v[5] << 16) ^ (v[5] >> 16) ^ v[5] ^ (v[6] << 16) ^ \ |
| (v[6] >> 16) ^ v[6] ^ (v[7] << 16) ^ v[7]; \ |
| h[7] = v[0] ^ (v[0] >> 16) ^ (v[1] << 16) ^ (v[1] >> 16) ^ (v[2] << 16) ^ \ |
| (v[3] >> 16) ^ v[3] ^ (v[4] << 16) ^ v[4] ^ (v[5] >> 16) ^ v[5] ^ \ |
| (v[6] << 16) ^ (v[6] >> 16) ^ (v[7] << 16) ^ v[7]; |
|
|
| #define PASS(tables) \ |
| X(w, u, v); \ |
| P(key, w); \ |
| R((tables), key, h, i, t, l, r); \ |
| S(s, l, r); \ |
| if (i != 6) { \ |
| A(u, l, r); \ |
| if (i == 2) { \ |
| C(u); \ |
| } \ |
| AA(v, l, r); \ |
| } |
|
|
| static inline void Gost(PHP_GOST_CTX *context, uint32_t data[8]) |
| { |
| int i; |
| uint32_t l, r, t, key[8], u[8], v[8], w[8], s[8], *h = context->state, *m = data; |
|
|
| memcpy(u, context->state, sizeof(u)); |
| memcpy(v, data, sizeof(v)); |
|
|
| for (i = 0; i < 8; i += 2) { |
| PASS(*context->tables); |
| } |
| SHIFT12(u, m, s); |
| SHIFT16(h, v, u); |
| SHIFT61(h, v); |
| } |
| |
|
|
| static inline void GostTransform(PHP_GOST_CTX *context, const unsigned char input[32]) |
| { |
| int i, j; |
| uint32_t data[8], temp = 0; |
|
|
| for (i = 0, j = 0; i < 8; ++i, j += 4) { |
| data[i] = ((uint32_t) input[j]) | (((uint32_t) input[j + 1]) << 8) | |
| (((uint32_t) input[j + 2]) << 16) | (((uint32_t) input[j + 3]) << 24); |
| context->state[i + 8] += data[i] + temp; |
| temp = context->state[i + 8] < data[i] ? 1 : (context->state[i + 8] == data[i] ? temp : 0); |
| } |
|
|
| Gost(context, data); |
| } |
|
|
| PHP_HASH_API void PHP_GOSTInit(PHP_GOST_CTX *context, ZEND_ATTRIBUTE_UNUSED HashTable *args) |
| { |
| memset(context, 0, sizeof(*context)); |
| context->tables = &tables_test; |
| } |
|
|
| PHP_HASH_API void PHP_GOSTInitCrypto(PHP_GOST_CTX *context, ZEND_ATTRIBUTE_UNUSED HashTable *args) |
| { |
| PHP_GOSTInit(context, NULL); |
| context->tables = &tables_crypto; |
| } |
|
|
| static const uint32_t MAX32 = 0xffffffffLU; |
|
|
| PHP_HASH_API void PHP_GOSTUpdate(PHP_GOST_CTX *context, const unsigned char *input, size_t len) |
| { |
| if ((MAX32 - context->count[0]) < (len * 8)) { |
| context->count[1]++; |
| context->count[0] = MAX32 - context->count[0]; |
| context->count[0] = (len * 8) - context->count[0]; |
| } else { |
| context->count[0] += len * 8; |
| } |
|
|
| if (context->length + len < 32) { |
| memcpy(&context->buffer[context->length], input, len); |
| context->length += (unsigned char)len; |
| } else { |
| size_t i = 0, r = (context->length + len) % 32; |
|
|
| if (context->length) { |
| i = 32 - context->length; |
| memcpy(&context->buffer[context->length], input, i); |
| GostTransform(context, context->buffer); |
| } |
|
|
| for (; i + 32 <= len; i += 32) { |
| GostTransform(context, input + i); |
| } |
|
|
| memcpy(context->buffer, input + i, r); |
| ZEND_SECURE_ZERO(&context->buffer[r], 32 - r); |
| context->length = (unsigned char)r; |
| } |
| } |
|
|
| PHP_HASH_API void PHP_GOSTFinal(unsigned char digest[32], PHP_GOST_CTX *context) |
| { |
| uint32_t i, j, l[8] = {0}; |
|
|
| if (context->length) { |
| GostTransform(context, context->buffer); |
| } |
|
|
| memcpy(l, context->count, sizeof(context->count)); |
| Gost(context, l); |
| memcpy(l, &context->state[8], sizeof(l)); |
| Gost(context, l); |
|
|
| for (i = 0, j = 0; j < 32; i++, j += 4) { |
| digest[j] = (unsigned char) (context->state[i] & 0xff); |
| digest[j + 1] = (unsigned char) ((context->state[i] >> 8) & 0xff); |
| digest[j + 2] = (unsigned char) ((context->state[i] >> 16) & 0xff); |
| digest[j + 3] = (unsigned char) ((context->state[i] >> 24) & 0xff); |
| } |
|
|
| ZEND_SECURE_ZERO(context, sizeof(*context)); |
| } |
|
|
| static int php_gost_unserialize(php_hashcontext_object *hash, zend_long magic, const zval *zv) |
| { |
| PHP_GOST_CTX *ctx = (PHP_GOST_CTX *) hash->context; |
| int r = FAILURE; |
| if (magic == PHP_HASH_SERIALIZE_MAGIC_SPEC |
| && (r = php_hash_unserialize_spec(hash, zv, PHP_GOST_SPEC)) == SUCCESS |
| && ctx->length < sizeof(ctx->buffer)) { |
| return SUCCESS; |
| } else { |
| return r != SUCCESS ? r : -2000; |
| } |
| } |
|
|
| const php_hash_ops php_hash_gost_ops = { |
| "gost", |
| (php_hash_init_func_t) PHP_GOSTInit, |
| (php_hash_update_func_t) PHP_GOSTUpdate, |
| (php_hash_final_func_t) PHP_GOSTFinal, |
| php_hash_copy, |
| php_hash_serialize, |
| php_gost_unserialize, |
| PHP_GOST_SPEC, |
| 32, |
| 32, |
| sizeof(PHP_GOST_CTX), |
| 1 |
| }; |
|
|
| const php_hash_ops php_hash_gost_crypto_ops = { |
| "gost-crypto", |
| (php_hash_init_func_t) PHP_GOSTInitCrypto, |
| (php_hash_update_func_t) PHP_GOSTUpdate, |
| (php_hash_final_func_t) PHP_GOSTFinal, |
| php_hash_copy, |
| php_hash_serialize, |
| php_gost_unserialize, |
| PHP_GOST_SPEC, |
| 32, |
| 32, |
| sizeof(PHP_GOST_CTX), |
| 1 |
| }; |
|
|