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ams: support building unit test programs on windows/linux/macos
This commit is contained in:
Michael Scire
SciresM
parent
9a38be201a
commit
64a97576d0
756 changed files with 33359 additions and 9372 deletions
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@ -14,15 +14,111 @@
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <vapours.hpp>
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#if defined(ATMOSPHERE_IS_STRATOSPHERE)
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#include <arm_neon.h>
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#endif
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namespace ams::crypto::impl {
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#ifdef ATMOSPHERE_IS_STRATOSPHERE
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#if defined(ATMOSPHERE_IS_STRATOSPHERE)
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namespace {
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constexpr bool IsSupportedKeySize(size_t size) {
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return size == 16 || size == 24 || size == 32;
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/* Helper macros to setup for inline AES asm */
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#define AES_ENC_DEC_SETUP_VARS() \
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const auto *ctx = reinterpret_cast<const RoundKeyHelper<KeySize> *>(m_round_keys); \
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static_assert(sizeof(*ctx) == sizeof(m_round_keys)); \
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\
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uint8x16_t tmp = vld1q_u8((const uint8_t *)src); \
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uint8x16_t tmp2
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#define AES_ENC_DEC_OUTPUT_VARS() \
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[tmp]"+w"(tmp), [tmp2]"=w"(tmp2)
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#define AES_ENC_DEC_STORE_RESULT() \
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vst1q_u8((uint8_t *)dst, tmp)
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/* Helper macros to do AES encryption, via inline asm. */
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#define AES_ENC_ROUND(n) \
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"ldr %q[tmp2], %[round_key_" #n "]\n" \
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"aese %[tmp].16b, %[tmp2].16b\n" \
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"aesmc %[tmp].16b, %[tmp].16b\n"
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#define AES_ENC_FINAL_ROUND() \
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"ldr %q[tmp2], %[round_key_second_last]\n" \
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"aese %[tmp].16b, %[tmp2].16b\n" \
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"ldr %q[tmp2], %[round_key_last]\n" \
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"eor %[tmp].16b, %[tmp].16b, %[tmp2].16b"
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#define AES_ENC_INPUT_ROUND_KEY(num_rounds, n) \
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[round_key_##n]"m"(ctx->round_keys[(n-1)])
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#define AES_ENC_INPUT_LAST_ROUND_KEYS(num_rounds) \
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[round_key_second_last]"m"(ctx->round_keys[(num_rounds - 1)]), \
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[round_key_last]"m"(ctx->round_keys[(num_rounds)])
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/* Helper macros to do AES decryption, via inline asm. */
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#define AES_DEC_ROUND(n) \
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"ldr %q[tmp2], %[round_key_" #n "]\n" \
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"aesd %[tmp].16b, %[tmp2].16b\n" \
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"aesimc %[tmp].16b, %[tmp].16b\n"
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#define AES_DEC_FINAL_ROUND() \
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"ldr %q[tmp2], %[round_key_second_last]\n" \
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"aesd %[tmp].16b, %[tmp2].16b\n" \
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"ldr %q[tmp2], %[round_key_last]\n" \
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"eor %[tmp].16b, %[tmp].16b, %[tmp2].16b"
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#define AES_DEC_INPUT_ROUND_KEY(num_rounds, n) \
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[round_key_##n]"m"(ctx->round_keys[(num_rounds + 1 - n)])
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#define AES_DEC_INPUT_LAST_ROUND_KEYS(num_rounds) \
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[round_key_second_last]"m"(ctx->round_keys[1]), \
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[round_key_last]"m"(ctx->round_keys[0])
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constexpr const u8 RoundKeyRcon0[] = {
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0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1B, 0x36, 0x6C, 0xD8, 0xAB, 0x4D, 0x9A, 0x2F,
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0x5E, 0xBC, 0x63, 0xC6, 0x97, 0x35, 0x6A, 0xD4, 0xB3, 0x7D, 0xFA, 0xEF, 0xC5, 0x91,
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};
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constexpr const u8 SubBytesTable[0x100] = {
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0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
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0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0, 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0,
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0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC, 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15,
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0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A, 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75,
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0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0, 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84,
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0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B, 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF,
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0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85, 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8,
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0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5, 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2,
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0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17, 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73,
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0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88, 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB,
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0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C, 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79,
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0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9, 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08,
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0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6, 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A,
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0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E, 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E,
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0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94, 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF,
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0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16,
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};
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constexpr auto AesWordByte0Shift = 0 * BITSIZEOF(u8);
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constexpr auto AesWordByte1Shift = 1 * BITSIZEOF(u8);
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constexpr auto AesWordByte2Shift = 2 * BITSIZEOF(u8);
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constexpr auto AesWordByte3Shift = 3 * BITSIZEOF(u8);
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constexpr u32 SubBytesAndRotate(u32 v) {
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return (static_cast<u32>(SubBytesTable[(v >> AesWordByte0Shift) & 0xFFu]) << AesWordByte3Shift) ^
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(static_cast<u32>(SubBytesTable[(v >> AesWordByte1Shift) & 0xFFu]) << AesWordByte0Shift) ^
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(static_cast<u32>(SubBytesTable[(v >> AesWordByte2Shift) & 0xFFu]) << AesWordByte1Shift) ^
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(static_cast<u32>(SubBytesTable[(v >> AesWordByte3Shift) & 0xFFu]) << AesWordByte2Shift);
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}
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constexpr u32 SubBytes(u32 v) {
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return (static_cast<u32>(SubBytesTable[(v >> AesWordByte0Shift) & 0xFFu]) << AesWordByte0Shift) ^
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(static_cast<u32>(SubBytesTable[(v >> AesWordByte1Shift) & 0xFFu]) << AesWordByte1Shift) ^
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(static_cast<u32>(SubBytesTable[(v >> AesWordByte2Shift) & 0xFFu]) << AesWordByte2Shift) ^
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(static_cast<u32>(SubBytesTable[(v >> AesWordByte3Shift) & 0xFFu]) << AesWordByte3Shift);
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}
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}
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@ -34,78 +130,360 @@ namespace ams::crypto::impl {
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template<size_t KeySize>
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void AesImpl<KeySize>::Initialize(const void *key, size_t key_size, bool is_encrypt) {
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static_assert(IsSupportedKeySize(KeySize));
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/* Check pre-conditions. */
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AMS_ASSERT(key_size == KeySize);
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AMS_UNUSED(key_size);
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if constexpr (KeySize == 16) {
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/* Aes 128. */
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static_assert(sizeof(m_round_keys) == sizeof(::Aes128Context));
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aes128ContextCreate(reinterpret_cast<Aes128Context *>(m_round_keys), key, is_encrypt);
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} else if constexpr (KeySize == 24) {
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/* Aes 192. */
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static_assert(sizeof(m_round_keys) == sizeof(::Aes192Context));
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aes192ContextCreate(reinterpret_cast<Aes192Context *>(m_round_keys), key, is_encrypt);
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} else if constexpr (KeySize == 32) {
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/* Aes 256. */
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static_assert(sizeof(m_round_keys) == sizeof(::Aes256Context));
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aes256ContextCreate(reinterpret_cast<Aes256Context *>(m_round_keys), key, is_encrypt);
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} else {
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/* Invalid key size. */
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static_assert(!std::is_same<AesImpl<KeySize>, AesImpl<KeySize>>::value);
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/* Set up key. */
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u32 *dst = m_round_keys;
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std::memcpy(dst, key, KeySize);
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/* Perform key scheduling. */
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constexpr auto InitialKeyWords = KeySize / sizeof(u32);
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u32 tmp = dst[InitialKeyWords - 1];
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for (auto i = InitialKeyWords; i < (RoundCount + 1) * 4; ++i) {
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const auto idx_in_key = i % InitialKeyWords;
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if (idx_in_key == 0) {
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/* At start of key word, we need to handle sub/rotate/rcon. */
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tmp = SubBytesAndRotate(tmp);
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tmp ^= (RoundKeyRcon0[i / InitialKeyWords - 1] << AesWordByte0Shift);
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} else if ((InitialKeyWords > 6) && idx_in_key == 4) {
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/* Halfway into a 256-bit key word, we need to do an additional subbytes. */
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tmp = SubBytes(tmp);
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}
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/* Set the key word. */
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tmp ^= dst[i - InitialKeyWords];
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dst[i] = tmp;
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}
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/* If decrypting, perform inverse mix columns on all round keys. */
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if (!is_encrypt) {
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auto *key8 = reinterpret_cast<u8 *>(m_round_keys) + BlockSize;
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for (auto i = 1; i < RoundCount; ++i) {
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vst1q_u8(key8, vaesimcq_u8(vld1q_u8(key8)));
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key8 += BlockSize;
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}
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}
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}
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template<size_t KeySize>
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void AesImpl<KeySize>::EncryptBlock(void *dst, size_t dst_size, const void *src, size_t src_size) const {
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static_assert(IsSupportedKeySize(KeySize));
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AMS_ASSERT(src_size >= BlockSize);
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AMS_ASSERT(dst_size >= BlockSize);
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AMS_UNUSED(src_size, dst_size);
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if constexpr (KeySize == 16) {
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/* Aes 128. */
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static_assert(sizeof(m_round_keys) == sizeof(::Aes128Context));
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aes128EncryptBlock(reinterpret_cast<const Aes128Context *>(m_round_keys), dst, src);
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} else if constexpr (KeySize == 24) {
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/* Aes 192. */
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static_assert(sizeof(m_round_keys) == sizeof(::Aes192Context));
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aes192EncryptBlock(reinterpret_cast<const Aes192Context *>(m_round_keys), dst, src);
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} else if constexpr (KeySize == 32) {
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/* Aes 256. */
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static_assert(sizeof(m_round_keys) == sizeof(::Aes256Context));
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aes256EncryptBlock(reinterpret_cast<const Aes256Context *>(m_round_keys), dst, src);
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} else {
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/* Invalid key size. */
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static_assert(!std::is_same<AesImpl<KeySize>, AesImpl<KeySize>>::value);
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/* Get the key. */
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const u8 *key8 = reinterpret_cast<const u8 *>(m_round_keys);
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/* Read the block. */
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uint8x16_t block = vld1q_u8(static_cast<const u8 *>(src));
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/* Encrypt block. */
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for (auto round = 1; round < RoundCount; ++round) {
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/* Do aes round. */
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block = vaeseq_u8(block, vld1q_u8(key8));
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key8 += BlockSize;
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/* Do mix columns. */
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block = vaesmcq_u8(block);
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}
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/* Do last aes round. */
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block = vaeseq_u8(block, vld1q_u8(key8));
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key8 += BlockSize;
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/* Add the final round key. */
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block = veorq_u8(block, vld1q_u8(key8));
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/* Store the block. */
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vst1q_u8(static_cast<u8 *>(dst), block);
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}
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template<size_t KeySize>
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void AesImpl<KeySize>::DecryptBlock(void *dst, size_t dst_size, const void *src, size_t src_size) const {
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static_assert(IsSupportedKeySize(KeySize));
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AMS_ASSERT(src_size >= BlockSize);
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AMS_ASSERT(dst_size >= BlockSize);
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AMS_UNUSED(src_size, dst_size);
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if constexpr (KeySize == 16) {
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/* Aes 128. */
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static_assert(sizeof(m_round_keys) == sizeof(::Aes128Context));
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aes128DecryptBlock(reinterpret_cast<const Aes128Context *>(m_round_keys), dst, src);
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} else if constexpr (KeySize == 24) {
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/* Aes 192. */
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static_assert(sizeof(m_round_keys) == sizeof(::Aes192Context));
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aes192DecryptBlock(reinterpret_cast<const Aes192Context *>(m_round_keys), dst, src);
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} else if constexpr (KeySize == 32) {
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/* Aes 256. */
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static_assert(sizeof(m_round_keys) == sizeof(::Aes256Context));
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aes256DecryptBlock(reinterpret_cast<const Aes256Context *>(m_round_keys), dst, src);
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} else {
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/* Invalid key size. */
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static_assert(!std::is_same<AesImpl<KeySize>, AesImpl<KeySize>>::value);
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/* Get the key. */
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const u8 *key8 = reinterpret_cast<const u8 *>(m_round_keys) + (RoundCount + BlockSize);
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/* Read the block. */
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uint8x16_t block = vld1q_u8(static_cast<const u8 *>(src));
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/* Encrypt block. */
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for (auto round = RoundCount; round > 1; --round) {
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/* Do aes round. */
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block = vaesdq_u8(block, vld1q_u8(key8));
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key8 -= BlockSize;
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/* Do mix columns. */
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block = vaesimcq_u8(block);
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}
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/* Do last aes round. */
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block = vaesdq_u8(block, vld1q_u8(key8));
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key8 -= BlockSize;
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/* Add the first round key. */
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block = veorq_u8(block, vld1q_u8(key8));
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/* Store the block. */
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vst1q_u8(static_cast<u8 *>(dst), block);
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}
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/* Specializations when building specifically for cortex-a57 (or for apple M* processors). */
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#if defined(ATMOSPHERE_CPU_CORTEX_A57) || defined(ATMOSPHERE_OS_MACOS)
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namespace {
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template<size_t KeySize>
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struct RoundKeyHelper {
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u8 round_keys[AesImpl<KeySize>::RoundCount + 1][AesImpl<KeySize>::BlockSize];
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};
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}
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template<>
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void AesImpl<16>::EncryptBlock(void *dst, size_t dst_size, const void *src, size_t src_size) const {
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AMS_UNUSED(src_size, dst_size);
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/* Setup for asm */
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AES_ENC_DEC_SETUP_VARS();
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/* Use optimized assembly to do all rounds. */
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__asm__ __volatile__ (
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AES_ENC_ROUND(1)
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AES_ENC_ROUND(2)
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AES_ENC_ROUND(3)
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AES_ENC_ROUND(4)
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AES_ENC_ROUND(5)
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AES_ENC_ROUND(6)
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AES_ENC_ROUND(7)
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AES_ENC_ROUND(8)
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AES_ENC_ROUND(9)
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AES_ENC_FINAL_ROUND()
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: AES_ENC_DEC_OUTPUT_VARS()
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: AES_ENC_INPUT_ROUND_KEY(RoundCount, 1),
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AES_ENC_INPUT_ROUND_KEY(RoundCount, 2),
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AES_ENC_INPUT_ROUND_KEY(RoundCount, 3),
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AES_ENC_INPUT_ROUND_KEY(RoundCount, 4),
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AES_ENC_INPUT_ROUND_KEY(RoundCount, 5),
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AES_ENC_INPUT_ROUND_KEY(RoundCount, 6),
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AES_ENC_INPUT_ROUND_KEY(RoundCount, 7),
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AES_ENC_INPUT_ROUND_KEY(RoundCount, 8),
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AES_ENC_INPUT_ROUND_KEY(RoundCount, 9),
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AES_ENC_INPUT_LAST_ROUND_KEYS(RoundCount)
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);
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/* Store result. */
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AES_ENC_DEC_STORE_RESULT();
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}
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template<>
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void AesImpl<24>::EncryptBlock(void *dst, size_t dst_size, const void *src, size_t src_size) const {
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AMS_UNUSED(src_size, dst_size);
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/* Setup for asm */
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AES_ENC_DEC_SETUP_VARS();
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/* Use optimized assembly to do all rounds. */
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__asm__ __volatile__ (
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AES_ENC_ROUND(1)
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AES_ENC_ROUND(2)
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AES_ENC_ROUND(3)
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AES_ENC_ROUND(4)
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AES_ENC_ROUND(5)
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AES_ENC_ROUND(6)
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AES_ENC_ROUND(7)
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AES_ENC_ROUND(8)
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AES_ENC_ROUND(9)
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AES_ENC_ROUND(10)
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AES_ENC_ROUND(11)
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AES_ENC_FINAL_ROUND()
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: AES_ENC_DEC_OUTPUT_VARS()
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: AES_ENC_INPUT_ROUND_KEY(RoundCount, 1),
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AES_ENC_INPUT_ROUND_KEY(RoundCount, 2),
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AES_ENC_INPUT_ROUND_KEY(RoundCount, 3),
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AES_ENC_INPUT_ROUND_KEY(RoundCount, 4),
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AES_ENC_INPUT_ROUND_KEY(RoundCount, 5),
|
||||
AES_ENC_INPUT_ROUND_KEY(RoundCount, 6),
|
||||
AES_ENC_INPUT_ROUND_KEY(RoundCount, 7),
|
||||
AES_ENC_INPUT_ROUND_KEY(RoundCount, 8),
|
||||
AES_ENC_INPUT_ROUND_KEY(RoundCount, 9),
|
||||
AES_ENC_INPUT_ROUND_KEY(RoundCount, 10),
|
||||
AES_ENC_INPUT_ROUND_KEY(RoundCount, 11),
|
||||
AES_ENC_INPUT_LAST_ROUND_KEYS(RoundCount)
|
||||
);
|
||||
|
||||
/* Store result. */
|
||||
AES_ENC_DEC_STORE_RESULT();
|
||||
}
|
||||
|
||||
template<>
|
||||
void AesImpl<32>::EncryptBlock(void *dst, size_t dst_size, const void *src, size_t src_size) const {
|
||||
AMS_UNUSED(src_size, dst_size);
|
||||
|
||||
/* Setup for asm */
|
||||
AES_ENC_DEC_SETUP_VARS();
|
||||
|
||||
/* Use optimized assembly to do all rounds. */
|
||||
__asm__ __volatile__ (
|
||||
AES_ENC_ROUND(1)
|
||||
AES_ENC_ROUND(2)
|
||||
AES_ENC_ROUND(3)
|
||||
AES_ENC_ROUND(4)
|
||||
AES_ENC_ROUND(5)
|
||||
AES_ENC_ROUND(6)
|
||||
AES_ENC_ROUND(7)
|
||||
AES_ENC_ROUND(8)
|
||||
AES_ENC_ROUND(9)
|
||||
AES_ENC_ROUND(10)
|
||||
AES_ENC_ROUND(11)
|
||||
AES_ENC_ROUND(12)
|
||||
AES_ENC_ROUND(13)
|
||||
AES_ENC_FINAL_ROUND()
|
||||
: AES_ENC_DEC_OUTPUT_VARS()
|
||||
: AES_ENC_INPUT_ROUND_KEY(RoundCount, 1),
|
||||
AES_ENC_INPUT_ROUND_KEY(RoundCount, 2),
|
||||
AES_ENC_INPUT_ROUND_KEY(RoundCount, 3),
|
||||
AES_ENC_INPUT_ROUND_KEY(RoundCount, 4),
|
||||
AES_ENC_INPUT_ROUND_KEY(RoundCount, 5),
|
||||
AES_ENC_INPUT_ROUND_KEY(RoundCount, 6),
|
||||
AES_ENC_INPUT_ROUND_KEY(RoundCount, 7),
|
||||
AES_ENC_INPUT_ROUND_KEY(RoundCount, 8),
|
||||
AES_ENC_INPUT_ROUND_KEY(RoundCount, 9),
|
||||
AES_ENC_INPUT_ROUND_KEY(RoundCount, 10),
|
||||
AES_ENC_INPUT_ROUND_KEY(RoundCount, 11),
|
||||
AES_ENC_INPUT_ROUND_KEY(RoundCount, 12),
|
||||
AES_ENC_INPUT_ROUND_KEY(RoundCount, 13),
|
||||
AES_ENC_INPUT_LAST_ROUND_KEYS(RoundCount)
|
||||
);
|
||||
|
||||
/* Store result. */
|
||||
AES_ENC_DEC_STORE_RESULT();
|
||||
}
|
||||
|
||||
template<>
|
||||
void AesImpl<16>::DecryptBlock(void *dst, size_t dst_size, const void *src, size_t src_size) const {
|
||||
AMS_UNUSED(src_size, dst_size);
|
||||
|
||||
/* Setup for asm */
|
||||
AES_ENC_DEC_SETUP_VARS();
|
||||
|
||||
/* Use optimized assembly to do all rounds. */
|
||||
__asm__ __volatile__ (
|
||||
AES_DEC_ROUND(1)
|
||||
AES_DEC_ROUND(2)
|
||||
AES_DEC_ROUND(3)
|
||||
AES_DEC_ROUND(4)
|
||||
AES_DEC_ROUND(5)
|
||||
AES_DEC_ROUND(6)
|
||||
AES_DEC_ROUND(7)
|
||||
AES_DEC_ROUND(8)
|
||||
AES_DEC_ROUND(9)
|
||||
AES_DEC_FINAL_ROUND()
|
||||
: AES_ENC_DEC_OUTPUT_VARS()
|
||||
: AES_DEC_INPUT_ROUND_KEY(RoundCount, 1),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 2),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 3),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 4),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 5),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 6),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 7),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 8),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 9),
|
||||
AES_DEC_INPUT_LAST_ROUND_KEYS(RoundCount)
|
||||
);
|
||||
|
||||
/* Store result. */
|
||||
AES_ENC_DEC_STORE_RESULT();
|
||||
}
|
||||
|
||||
template<>
|
||||
void AesImpl<24>::DecryptBlock(void *dst, size_t dst_size, const void *src, size_t src_size) const {
|
||||
AMS_UNUSED(src_size, dst_size);
|
||||
|
||||
/* Setup for asm */
|
||||
AES_ENC_DEC_SETUP_VARS();
|
||||
|
||||
/* Use optimized assembly to do all rounds. */
|
||||
__asm__ __volatile__ (
|
||||
AES_DEC_ROUND(1)
|
||||
AES_DEC_ROUND(2)
|
||||
AES_DEC_ROUND(3)
|
||||
AES_DEC_ROUND(4)
|
||||
AES_DEC_ROUND(5)
|
||||
AES_DEC_ROUND(6)
|
||||
AES_DEC_ROUND(7)
|
||||
AES_DEC_ROUND(8)
|
||||
AES_DEC_ROUND(9)
|
||||
AES_DEC_ROUND(10)
|
||||
AES_DEC_ROUND(11)
|
||||
AES_DEC_FINAL_ROUND()
|
||||
: AES_ENC_DEC_OUTPUT_VARS()
|
||||
: AES_DEC_INPUT_ROUND_KEY(RoundCount, 1),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 2),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 3),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 4),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 5),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 6),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 7),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 8),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 9),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 10),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 11),
|
||||
AES_DEC_INPUT_LAST_ROUND_KEYS(RoundCount)
|
||||
);
|
||||
|
||||
/* Store result. */
|
||||
AES_ENC_DEC_STORE_RESULT();
|
||||
}
|
||||
|
||||
template<>
|
||||
void AesImpl<32>::DecryptBlock(void *dst, size_t dst_size, const void *src, size_t src_size) const {
|
||||
AMS_UNUSED(src_size, dst_size);
|
||||
|
||||
/* Setup for asm */
|
||||
AES_ENC_DEC_SETUP_VARS();
|
||||
|
||||
/* Use optimized assembly to do all rounds. */
|
||||
__asm__ __volatile__ (
|
||||
AES_DEC_ROUND(1)
|
||||
AES_DEC_ROUND(2)
|
||||
AES_DEC_ROUND(3)
|
||||
AES_DEC_ROUND(4)
|
||||
AES_DEC_ROUND(5)
|
||||
AES_DEC_ROUND(6)
|
||||
AES_DEC_ROUND(7)
|
||||
AES_DEC_ROUND(8)
|
||||
AES_DEC_ROUND(9)
|
||||
AES_DEC_ROUND(10)
|
||||
AES_DEC_ROUND(11)
|
||||
AES_DEC_ROUND(12)
|
||||
AES_DEC_ROUND(13)
|
||||
AES_DEC_FINAL_ROUND()
|
||||
: AES_ENC_DEC_OUTPUT_VARS()
|
||||
: AES_DEC_INPUT_ROUND_KEY(RoundCount, 1),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 2),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 3),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 4),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 5),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 6),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 7),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 8),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 9),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 10),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 11),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 12),
|
||||
AES_DEC_INPUT_ROUND_KEY(RoundCount, 13),
|
||||
AES_DEC_INPUT_LAST_ROUND_KEYS(RoundCount)
|
||||
);
|
||||
|
||||
/* Store result. */
|
||||
AES_ENC_DEC_STORE_RESULT();
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
/* Explicitly instantiate the three supported key sizes. */
|
||||
template class AesImpl<16>;
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue