Likely fix for some alignment issues on ARM.
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parent
bc4bd29488
commit
9d66d876f4
3 changed files with 20 additions and 26 deletions
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@ -131,7 +131,7 @@ void AES::CTR::p_armCrypt(const uint8_t *in, uint8_t *out, unsigned int len) noe
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uint8x16_t k14 = _aes.p_k.neon.ek[14];
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unsigned int totalLen = _len;
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if ((totalLen & 15U)) {
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if ((totalLen & 15U) != 0) {
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for (;;) {
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if (unlikely(!len)) {
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vst1q_u8(reinterpret_cast<uint8_t *>(_ctr), vrev32q_u8(dd));
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@ -140,7 +140,7 @@ void AES::CTR::p_armCrypt(const uint8_t *in, uint8_t *out, unsigned int len) noe
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}
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--len;
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out[totalLen++] = *(in++);
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if (!(totalLen & 15U)) {
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if ((totalLen & 15U) == 0) {
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uint8_t *const otmp = out + (totalLen - 16);
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uint8x16_t d0 = vrev32q_u8(dd);
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uint8x16_t pt = vld1q_u8(otmp);
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@ -180,7 +180,10 @@ void AES::CTR::p_armCrypt(const uint8_t *in, uint8_t *out, unsigned int len) noe
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uint8x16_t d2 = vrev32q_u8(dd2);
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uint8x16_t d3 = vrev32q_u8(dd3);
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uint8x16_t pt0 = vld1q_u8(in);
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in += 16;
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uint8x16_t pt1 = vld1q_u8(in + 16);
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uint8x16_t pt2 = vld1q_u8(in + 16);
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uint8x16_t pt3 = vld1q_u8(in + 16);
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d0 = vaesmcq_u8(vaeseq_u8(d0, k0));
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d1 = vaesmcq_u8(vaeseq_u8(d1, k0));
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d2 = vaesmcq_u8(vaeseq_u8(d2, k0));
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@ -193,8 +196,6 @@ void AES::CTR::p_armCrypt(const uint8_t *in, uint8_t *out, unsigned int len) noe
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d1 = vaesmcq_u8(vaeseq_u8(d1, k2));
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d2 = vaesmcq_u8(vaeseq_u8(d2, k2));
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d3 = vaesmcq_u8(vaeseq_u8(d3, k2));
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uint8x16_t pt1 = vld1q_u8(in);
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in += 16;
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d0 = vaesmcq_u8(vaeseq_u8(d0, k3));
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d1 = vaesmcq_u8(vaeseq_u8(d1, k3));
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d2 = vaesmcq_u8(vaeseq_u8(d2, k3));
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@ -207,8 +208,6 @@ void AES::CTR::p_armCrypt(const uint8_t *in, uint8_t *out, unsigned int len) noe
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d1 = vaesmcq_u8(vaeseq_u8(d1, k5));
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d2 = vaesmcq_u8(vaeseq_u8(d2, k5));
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d3 = vaesmcq_u8(vaeseq_u8(d3, k5));
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uint8x16_t pt2 = vld1q_u8(in);
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in += 16;
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d0 = vaesmcq_u8(vaeseq_u8(d0, k6));
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d1 = vaesmcq_u8(vaeseq_u8(d1, k6));
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d2 = vaesmcq_u8(vaeseq_u8(d2, k6));
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@ -221,8 +220,6 @@ void AES::CTR::p_armCrypt(const uint8_t *in, uint8_t *out, unsigned int len) noe
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d1 = vaesmcq_u8(vaeseq_u8(d1, k8));
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d2 = vaesmcq_u8(vaeseq_u8(d2, k8));
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d3 = vaesmcq_u8(vaeseq_u8(d3, k8));
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uint8x16_t pt3 = vld1q_u8(in);
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in += 16;
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d0 = vaesmcq_u8(vaeseq_u8(d0, k9));
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d1 = vaesmcq_u8(vaeseq_u8(d1, k9));
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d2 = vaesmcq_u8(vaeseq_u8(d2, k9));
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@ -253,7 +250,9 @@ void AES::CTR::p_armCrypt(const uint8_t *in, uint8_t *out, unsigned int len) noe
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vst1q_u8(out + 16, d1);
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vst1q_u8(out + 32, d2);
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vst1q_u8(out + 48, d3);
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out += 64;
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in += 64;
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dd = (uint8x16_t)vaddq_u32((uint32x4_t)dd, four);
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if (unlikely(len < 64))
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