diff options
Diffstat (limited to 'vendor/github.com/zeebo/blake3/internal/consts')
5 files changed, 63 insertions, 0 deletions
diff --git a/vendor/github.com/zeebo/blake3/internal/consts/consts.go b/vendor/github.com/zeebo/blake3/internal/consts/consts.go new file mode 100644 index 000000000..89f08fe10 --- /dev/null +++ b/vendor/github.com/zeebo/blake3/internal/consts/consts.go @@ -0,0 +1,29 @@ +package consts + +var IV = [...]uint32{IV0, IV1, IV2, IV3, IV4, IV5, IV6, IV7} + +const ( + IV0 = 0x6A09E667 + IV1 = 0xBB67AE85 + IV2 = 0x3C6EF372 + IV3 = 0xA54FF53A + IV4 = 0x510E527F + IV5 = 0x9B05688C + IV6 = 0x1F83D9AB + IV7 = 0x5BE0CD19 +) + +const ( + Flag_ChunkStart uint32 = 1 << 0 + Flag_ChunkEnd uint32 = 1 << 1 + Flag_Parent uint32 = 1 << 2 + Flag_Root uint32 = 1 << 3 + Flag_Keyed uint32 = 1 << 4 + Flag_DeriveKeyContext uint32 = 1 << 5 + Flag_DeriveKeyMaterial uint32 = 1 << 6 +) + +const ( + BlockLen = 64 + ChunkLen = 1024 +) diff --git a/vendor/github.com/zeebo/blake3/internal/consts/cpu.go b/vendor/github.com/zeebo/blake3/internal/consts/cpu.go new file mode 100644 index 000000000..1eebff943 --- /dev/null +++ b/vendor/github.com/zeebo/blake3/internal/consts/cpu.go @@ -0,0 +1,17 @@ +package consts + +import ( + "os" + + "golang.org/x/sys/cpu" +) + +var ( + HasAVX2 = cpu.X86.HasAVX2 && + os.Getenv("BLAKE3_DISABLE_AVX2") == "" && + os.Getenv("BLAKE3_PUREGO") == "" + + HasSSE41 = cpu.X86.HasSSE41 && + os.Getenv("BLAKE3_DISABLE_SSE41") == "" && + os.Getenv("BLAKE3_PUREGO") == "" +) diff --git a/vendor/github.com/zeebo/blake3/internal/consts/cpu_big.go b/vendor/github.com/zeebo/blake3/internal/consts/cpu_big.go new file mode 100644 index 000000000..fb730464f --- /dev/null +++ b/vendor/github.com/zeebo/blake3/internal/consts/cpu_big.go @@ -0,0 +1,5 @@ +// +build mips mips64 ppc64 s390x + +package consts + +const IsLittleEndian = false diff --git a/vendor/github.com/zeebo/blake3/internal/consts/cpu_little.go b/vendor/github.com/zeebo/blake3/internal/consts/cpu_little.go new file mode 100644 index 000000000..1bae02a74 --- /dev/null +++ b/vendor/github.com/zeebo/blake3/internal/consts/cpu_little.go @@ -0,0 +1,5 @@ +// +build amd64 386 arm arm64 mipsle mips64le ppc64le riscv64 wasm + +package consts + +const IsLittleEndian = true diff --git a/vendor/github.com/zeebo/blake3/internal/consts/cpu_other.go b/vendor/github.com/zeebo/blake3/internal/consts/cpu_other.go new file mode 100644 index 000000000..5f7407a6a --- /dev/null +++ b/vendor/github.com/zeebo/blake3/internal/consts/cpu_other.go @@ -0,0 +1,7 @@ +// +build !mips,!mips64,!ppc64,!s390x,!amd64,!386,!arm,!arm64,!mipsle,!mips64le,!ppc64le,!riscv64,!wasm + +package consts + +import "unsafe" + +var IsLittleEndian = *(*uint16)(unsafe.Pointer(&[2]byte{0, 1})) != 1 |