mirror of
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Restore Referer-Policy and wrap up MbedTLS changes
redbean will now set Referer-Policy to no-referrer-when-downgrade on text/html responses by default. There's better explanations on the bits of security redbean is offering. In short, it's 128+ for modern clients and 112+ for legacy. If the -B flag is used then it's 192+ for modern and 150+ for non-EC.
This commit is contained in:
Justine Tunney
parent
344d2dc356
commit
df8ab0aa0c
32 changed files with 679 additions and 663 deletions
184
third_party/mbedtls/bigmul.c
vendored
184
third_party/mbedtls/bigmul.c
vendored
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@ -43,50 +43,64 @@ void mbedtls_mpi_mul_hlp1(size_t n, const uint64_t *s, uint64_t *d, uint64_t b)
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{
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size_t i;
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uint128_t x;
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uint64_t c, t;
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uint64_t c, t, t1, t2;
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i = c = 0;
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#ifdef __x86_64__
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#define MULXADOX(i) \
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"mulx\t" #i "*8(%2),%%rax,%%r9\n\t" \
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"adox\t%0,%%rax\n\t" \
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"mov\t%%rax," #i "*8(%1)\n\t" \
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"mov\t%%r9,%0\n\t"
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if (X86_HAVE(BMI2) && X86_HAVE(ADX))
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if( X86_HAVE(BMI2) )
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{
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for (; n >= 8; n -= 8, s += 8, d += 8)
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for( ; i + 8 <= n; i += 8 )
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{
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asm volatile("xor\t%%r8d,%%r8d\n\t" //
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MULXADOX(0) //
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MULXADOX(1) //
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MULXADOX(2) //
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MULXADOX(3) //
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MULXADOX(4) //
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MULXADOX(5) //
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MULXADOX(6) //
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MULXADOX(7) //
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"adcx\t%%r8,%0\n" //
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"adox\t%%r8,%0" //
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asm volatile("mulx\t(%2),%%rax,%%rbx\n\t"
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"add\t%0,%%rax\n\t"
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"mov\t%%rax,(%1)\n\t"
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"mulx\t8(%2),%%rax,%0\n\t"
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"adc\t%%rbx,%%rax\n\t"
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"mov\t%%rax,8(%1)\n\t"
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"mulx\t16(%2),%%rax,%%rbx\n\t"
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"adc\t%0,%%rax\n\t"
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"mov\t%%rax,16(%1)\n\t"
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"mulx\t24(%2),%%rax,%0\n\t"
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"adc\t%%rbx,%%rax\n\t"
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"mov\t%%rax,24(%1)\n\t"
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"mulx\t32(%2),%%rax,%%rbx\n\t"
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"adc\t%0,%%rax\n\t"
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"mov\t%%rax,32(%1)\n\t"
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"mulx\t40(%2),%%rax,%0\n\t"
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"adc\t%%rbx,%%rax\n\t"
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"mov\t%%rax,40(%1)\n\t"
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"mulx\t48(%2),%%rax,%%rbx\n\t"
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"adc\t%0,%%rax\n\t"
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"mov\t%%rax,48(%1)\n\t"
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"mulx\t56(%2),%%rax,%0\n\t"
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"adc\t%%rbx,%%rax\n\t"
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"mov\t%%rax,56(%1)\n\t"
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"adc\t$0,%0"
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: "+r"(c)
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: "r"(d), "S"(s), "d"(b)
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: "rax", "r8", "r9", "memory", "cc");
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: "r"(d + i), "r"(s + i), "d"(b)
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: "rax", "rbx", "memory", "cc");
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}
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for (; n >= 4; n -= 4, s += 4, d += 4)
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for( ; i + 4 <= n; i += 4 )
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{
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asm volatile("xor\t%%r8d,%%r8d\n\t" //
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MULXADOX(0) //
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MULXADOX(1) //
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MULXADOX(2) //
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MULXADOX(3) //
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"adcx\t%%r8,%0\n" //
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"adox\t%%r8,%0" //
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asm volatile("mulx\t(%2),%%rax,%%rbx\n\t"
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"add\t%0,%%rax\n\t"
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"mov\t%%rax,(%1)\n\t"
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"mulx\t8(%2),%%rax,%0\n\t"
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"adc\t%%rbx,%%rax\n\t"
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"mov\t%%rax,8(%1)\n\t"
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"mulx\t16(%2),%%rax,%%rbx\n\t"
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"adc\t%0,%%rax\n\t"
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"mov\t%%rax,16(%1)\n\t"
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"mulx\t24(%2),%%rax,%0\n\t"
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"adc\t%%rbx,%%rax\n\t"
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"mov\t%%rax,24(%1)\n\t"
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"adc\t$0,%0"
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: "+r"(c)
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: "r"(d), "S"(s), "d"(b)
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: "rax", "r8", "r9", "memory", "cc");
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: "r"(d + i), "r"(s + i), "d"(b)
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: "rax", "rbx", "memory", "cc");
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}
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}
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#undef MULXADOX
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#endif
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for (; i < n; ++i)
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for( ; i < n; ++i )
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{
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x = s[i];
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x *= b;
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@ -107,49 +121,77 @@ void mbedtls_mpi_mul_hlp(size_t n, uint64_t *s, uint64_t *d, uint64_t b)
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uint64_t c, l, h, t;
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i = c = 0;
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#ifdef __x86_64__
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#define MULADDC(i) \
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"mulx\t" #i "*8(%2),%%rax,%%r9\n\t" \
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"adcx\t" #i "*8(%1),%%rax\n\t" \
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"adox\t%0,%%rax\n\t" \
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"mov\t%%rax," #i "*8(%1)\n\t" \
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"mov\t%%r9,%0\n\t"
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if (X86_HAVE(BMI2) && X86_HAVE(ADX))
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{
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for (; n >= 8; n -= 8, s += 8, d += 8)
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for( ; i + 8 <= n; i += 8 )
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{
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asm volatile("xor\t%%r8d,%%r8d\n\t" //
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MULADDC(0) //
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MULADDC(1) //
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MULADDC(2) //
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MULADDC(3) //
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MULADDC(4) //
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MULADDC(5) //
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MULADDC(6) //
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MULADDC(7) //
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"adcx\t%%r8,%0\n" //
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"adox\t%%r8,%0" //
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asm volatile("xor\t%%r8d,%%r8d\n\t"
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"mulx\t(%2),%%rax,%%rbx\n\t"
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"adcx\t(%1),%%rax\n\t"
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"adox\t%0,%%rax\n\t"
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"mov\t%%rax,(%1)\n\t"
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"mulx\t8(%2),%%rax,%0\n\t"
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"adcx\t8(%1),%%rax\n\t"
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"adox\t%%rbx,%%rax\n\t"
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"mov\t%%rax,8(%1)\n\t"
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"mulx\t16(%2),%%rax,%%rbx\n\t"
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"adcx\t16(%1),%%rax\n\t"
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"adox\t%0,%%rax\n\t"
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"mov\t%%rax,16(%1)\n\t"
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"mulx\t24(%2),%%rax,%0\n\t"
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"adcx\t24(%1),%%rax\n\t"
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"adox\t%%rbx,%%rax\n\t"
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"mov\t%%rax,24(%1)\n\t"
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"mulx\t32(%2),%%rax,%%rbx\n\t"
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"adcx\t32(%1),%%rax\n\t"
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"adox\t%0,%%rax\n\t"
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"mov\t%%rax,32(%1)\n\t"
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"mulx\t40(%2),%%rax,%0\n\t"
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"adcx\t40(%1),%%rax\n\t"
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"adox\t%%rbx,%%rax\n\t"
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"mov\t%%rax,40(%1)\n\t"
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"mulx\t48(%2),%%rax,%%rbx\n\t"
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"adcx\t48(%1),%%rax\n\t"
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"adox\t%0,%%rax\n\t"
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"mov\t%%rax,48(%1)\n\t"
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"mulx\t56(%2),%%rax,%0\n\t"
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"adcx\t56(%1),%%rax\n\t"
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"adox\t%%rbx,%%rax\n\t"
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"mov\t%%rax,56(%1)\n\t"
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"adcx\t%%r8,%0\n\t"
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"adox\t%%r8,%0"
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: "+r"(c)
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: "r"(d), "S"(s), "d"(b)
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: "rax", "r8", "r9", "memory", "cc");
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: "r"(d + i), "r"(s + i), "d"(b)
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: "rax", "rbx", "r8", "memory", "cc");
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}
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for (; n >= 4; n -= 4, s += 4, d += 4)
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for( ; i + 4 <= n; i += 4 )
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{
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asm volatile("xor\t%%r8d,%%r8d\n\t" //
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MULADDC(0) //
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MULADDC(1) //
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MULADDC(2) //
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MULADDC(3) //
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"adcx\t%%r8,%0\n" //
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"adox\t%%r8,%0" //
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asm volatile("xor\t%%r8d,%%r8d\n\t"
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"mulx\t(%2),%%rax,%%rbx\n\t"
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"adcx\t(%1),%%rax\n\t"
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"adox\t%0,%%rax\n\t"
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"mov\t%%rax,(%1)\n\t"
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"mulx\t8(%2),%%rax,%0\n\t"
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"adcx\t8(%1),%%rax\n\t"
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"adox\t%%rbx,%%rax\n\t"
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"mov\t%%rax,8(%1)\n\t"
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"mulx\t16(%2),%%rax,%%rbx\n\t"
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"adcx\t16(%1),%%rax\n\t"
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"adox\t%0,%%rax\n\t"
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"mov\t%%rax,16(%1)\n\t"
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"mulx\t24(%2),%%rax,%0\n\t"
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"adcx\t24(%1),%%rax\n\t"
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"adox\t%%rbx,%%rax\n\t"
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"mov\t%%rax,24(%1)\n\t"
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"adcx\t%%r8,%0\n\t"
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"adox\t%%r8,%0"
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: "+r"(c)
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: "r"(d), "S"(s), "d"(b)
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: "rax", "r8", "r9", "memory", "cc");
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: "r"(d + i), "r"(s + i), "d"(b)
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: "rax", "rbx", "r8", "memory", "cc");
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}
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}
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#undef MULADDC
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#endif
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for (; i < n; ++i)
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for( ; i < n; ++i )
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{
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x = s[i];
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x *= b;
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@ -222,20 +264,22 @@ int mbedtls_mpi_mul_mpi(mbedtls_mpi *X, const mbedtls_mpi *A,
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j = t;
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if (!IsTiny() && j == 1) {
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if (X->n < i + 1)
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if (X->n < i + 1) {
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if ((ret = mbedtls_mpi_grow(X, i + 1))) return ret;
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else if (X->n > i + 1)
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} else if (X->n > i + 1) {
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mbedtls_platform_zeroize(X->p + i + 1, (X->n - (i + 1)) * ciL);
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}
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mbedtls_mpi_mul_hlp1(i, A->p, X->p, B->p[0]);
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X->s = A->s * B->s;
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return 0;
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}
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if (!IsTiny() && i == j) {
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if (X->n < i * 2)
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if (X->n < i * 2) {
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if ((ret = mbedtls_mpi_grow(X, i * 2))) return ret;
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else if (X->n > i * 2)
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} else if (X->n > i * 2) {
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mbedtls_platform_zeroize(X->p + i * 2, (X->n - (i * 2)) * ciL);
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}
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if (i == 4) {
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Mul4x4(X->p, A->p, B->p);
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X->s = A->s * B->s;
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