core/crypto/ripemd: Remove, historical/exotic

2 files changed, 0 insertions, 920 deletions

diff --git a/core/crypto/README.md b/core/crypto/README.md
index 973247f58..82db2775f 100644
--- a/core/crypto/README.md
+++ b/core/crypto/README.md
@@ -12,7 +12,6 @@ Please see the chart below for the options.
 | [BLAKE2S](https://datatracker.ietf.org/doc/html/rfc7693)                                                     | ✔️ |
 | [Keccak](https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.202.pdf)                                           | ✔️ |
 | [MD5](https://datatracker.ietf.org/doc/html/rfc1321)                                                         | ✔️ |
-| [RIPEMD](https://homes.esat.kuleuven.be/~bosselae/ripemd160.html)                                            | ✔️ |
 | [SHA-1](https://datatracker.ietf.org/doc/html/rfc3174)                                                       | ✔️ |
 | [SHA-2](https://csrc.nist.gov/csrc/media/publications/fips/180/2/archive/2002-08-01/documents/fips180-2.pdf) | ✔️ |
 | [SHA-3](https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.202.pdf)                                            | ✔️ |
diff --git a/core/crypto/ripemd/ripemd.odin b/core/crypto/ripemd/ripemd.odin
deleted file mode 100644
index f9edb121b..000000000
--- a/core/crypto/ripemd/ripemd.odin
+++ /dev/null
@@ -1,919 +0,0 @@
-package ripemd
-
-/*
-    Copyright 2021 zhibog
-    Made available under the BSD-3 license.
-
-    List of contributors:
-        zhibog, dotbmp:  Initial implementation.
-
-    Implementation for the RIPEMD hashing algorithm as defined in <https://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
-*/
-
-import "core:os"
-import "core:io"
-
-import "../util"
-
-/*
-    High level API
-*/
-
-DIGEST_SIZE_128 :: 16
-DIGEST_SIZE_160 :: 20
-DIGEST_SIZE_256 :: 32
-DIGEST_SIZE_320 :: 40
-
-// hash_string_128 will hash the given input and return the
-// computed hash
-hash_string_128 :: proc(data: string) -> [DIGEST_SIZE_128]byte {
-    return hash_bytes_128(transmute([]byte)(data))
-}
-
-// hash_bytes_128 will hash the given input and return the
-// computed hash
-hash_bytes_128 :: proc(data: []byte) -> [DIGEST_SIZE_128]byte {
-    hash: [DIGEST_SIZE_128]byte
-    ctx: Ripemd128_Context
-    init(&ctx)
-    update(&ctx, data)
-    final(&ctx, hash[:])
-    return hash
-}
-
-// hash_string_to_buffer_128 will hash the given input and assign the
-// computed hash to the second parameter.
-// It requires that the destination buffer is at least as big as the digest size
-hash_string_to_buffer_128 :: proc(data: string, hash: []byte) {
-    hash_bytes_to_buffer_128(transmute([]byte)(data), hash)
-}
-
-// hash_bytes_to_buffer_128 will hash the given input and write the
-// computed hash into the second parameter.
-// It requires that the destination buffer is at least as big as the digest size
-hash_bytes_to_buffer_128 :: proc(data, hash: []byte) {
-    assert(len(hash) >= DIGEST_SIZE_128, "Size of destination buffer is smaller than the digest size")
-    ctx: Ripemd128_Context
-    init(&ctx)
-    update(&ctx, data)
-    final(&ctx, hash)
-}
-
-// hash_stream_128 will read the stream in chunks and compute a
-// hash from its contents
-hash_stream_128 :: proc(s: io.Stream) -> ([DIGEST_SIZE_128]byte, bool) {
-    hash: [DIGEST_SIZE_128]byte
-    ctx: Ripemd128_Context
-    init(&ctx)
-    buf := make([]byte, 512)
-    defer delete(buf)
-    read := 1
-    for read > 0 {
-        read, _ = io.read(s, buf)
-        if read > 0 {
-            update(&ctx, buf[:read])
-        } 
-    }
-    final(&ctx, hash[:])
-    return hash, true
-}
-
-// hash_file_128 will read the file provided by the given handle
-// and compute a hash
-hash_file_128 :: proc(hd: os.Handle, load_at_once := false) -> ([DIGEST_SIZE_128]byte, bool) {
-    if !load_at_once {
-        return hash_stream_128(os.stream_from_handle(hd))
-    } else {
-        if buf, ok := os.read_entire_file(hd); ok {
-            return hash_bytes_128(buf[:]), ok
-        }
-    }
-    return [DIGEST_SIZE_128]byte{}, false
-}
-
-hash_128 :: proc {
-    hash_stream_128,
-    hash_file_128,
-    hash_bytes_128,
-    hash_string_128,
-    hash_bytes_to_buffer_128,
-    hash_string_to_buffer_128,
-}
-
-// hash_string_160 will hash the given input and return the
-// computed hash
-hash_string_160 :: proc(data: string) -> [DIGEST_SIZE_160]byte {
-    return hash_bytes_160(transmute([]byte)(data))
-}
-
-// hash_bytes_160 will hash the given input and return the
-// computed hash
-hash_bytes_160 :: proc(data: []byte) -> [DIGEST_SIZE_160]byte {
-    hash: [DIGEST_SIZE_160]byte
-    ctx: Ripemd160_Context
-    init(&ctx)
-    update(&ctx, data)
-    final(&ctx, hash[:])
-    return hash
-}
-
-// hash_string_to_buffer_160 will hash the given input and assign the
-// computed hash to the second parameter.
-// It requires that the destination buffer is at least as big as the digest size
-hash_string_to_buffer_160 :: proc(data: string, hash: []byte) {
-    hash_bytes_to_buffer_160(transmute([]byte)(data), hash)
-}
-
-// hash_bytes_to_buffer_160 will hash the given input and write the
-// computed hash into the second parameter.
-// It requires that the destination buffer is at least as big as the digest size
-hash_bytes_to_buffer_160 :: proc(data, hash: []byte) {
-    assert(len(hash) >= DIGEST_SIZE_160, "Size of destination buffer is smaller than the digest size")
-    ctx: Ripemd160_Context
-    init(&ctx)
-    update(&ctx, data)
-    final(&ctx, hash)
-}
-
-// hash_stream_160 will read the stream in chunks and compute a
-// hash from its contents
-hash_stream_160 :: proc(s: io.Stream) -> ([DIGEST_SIZE_160]byte, bool) {
-    hash: [DIGEST_SIZE_160]byte
-    ctx: Ripemd160_Context
-    init(&ctx)
-    buf := make([]byte, 512)
-    defer delete(buf)
-    read := 1
-    for read > 0 {
-        read, _ = io.read(s, buf)
-        if read > 0 {
-            update(&ctx, buf[:read])
-        } 
-    }
-    final(&ctx, hash[:])
-    return hash, true
-}
-
-// hash_file_160 will read the file provided by the given handle
-// and compute a hash
-hash_file_160 :: proc(hd: os.Handle, load_at_once := false) -> ([DIGEST_SIZE_160]byte, bool) {
-    if !load_at_once {
-        return hash_stream_160(os.stream_from_handle(hd))
-    } else {
-        if buf, ok := os.read_entire_file(hd); ok {
-            return hash_bytes_160(buf[:]), ok
-        }
-    }
-    return [DIGEST_SIZE_160]byte{}, false
-}
-
-hash_160 :: proc {
-    hash_stream_160,
-    hash_file_160,
-    hash_bytes_160,
-    hash_string_160,
-    hash_bytes_to_buffer_160,
-    hash_string_to_buffer_160,
-}
-
-// hash_string_256 will hash the given input and return the
-// computed hash
-hash_string_256 :: proc(data: string) -> [DIGEST_SIZE_256]byte {
-    return hash_bytes_256(transmute([]byte)(data))
-}
-
-// hash_bytes_256 will hash the given input and return the
-// computed hash
-hash_bytes_256 :: proc(data: []byte) -> [DIGEST_SIZE_256]byte {
-    hash: [DIGEST_SIZE_256]byte
-    ctx: Ripemd256_Context
-    init(&ctx)
-    update(&ctx, data)
-    final(&ctx, hash[:])
-    return hash
-}
-
-// hash_string_to_buffer_256 will hash the given input and assign the
-// computed hash to the second parameter.
-// It requires that the destination buffer is at least as big as the digest size
-hash_string_to_buffer_256 :: proc(data: string, hash: []byte) {
-    hash_bytes_to_buffer_256(transmute([]byte)(data), hash)
-}
-
-// hash_bytes_to_buffer_256 will hash the given input and write the
-// computed hash into the second parameter.
-// It requires that the destination buffer is at least as big as the digest size
-hash_bytes_to_buffer_256 :: proc(data, hash: []byte) {
-    assert(len(hash) >= DIGEST_SIZE_256, "Size of destination buffer is smaller than the digest size")
-    ctx: Ripemd256_Context
-    init(&ctx)
-    update(&ctx, data)
-    final(&ctx, hash)
-}
-
-// hash_stream_256 will read the stream in chunks and compute a
-// hash from its contents
-hash_stream_256 :: proc(s: io.Stream) -> ([DIGEST_SIZE_256]byte, bool) {
-    hash: [DIGEST_SIZE_256]byte
-    ctx: Ripemd256_Context
-    init(&ctx)
-    buf := make([]byte, 512)
-    defer delete(buf)
-    read := 1
-    for read > 0 {
-        read, _ = io.read(s, buf)
-        if read > 0 {
-            update(&ctx, buf[:read])
-        } 
-    }
-    final(&ctx, hash[:])
-    return hash, true
-}
-
-// hash_file_256 will read the file provided by the given handle
-// and compute a hash
-hash_file_256 :: proc(hd: os.Handle, load_at_once := false) -> ([DIGEST_SIZE_256]byte, bool) {
-    if !load_at_once {
-        return hash_stream_256(os.stream_from_handle(hd))
-    } else {
-        if buf, ok := os.read_entire_file(hd); ok {
-            return hash_bytes_256(buf[:]), ok
-        }
-    }
-    return [DIGEST_SIZE_256]byte{}, false
-}
-
-hash_256 :: proc {
-    hash_stream_256,
-    hash_file_256,
-    hash_bytes_256,
-    hash_string_256,
-    hash_bytes_to_buffer_256,
-    hash_string_to_buffer_256,
-}
-
-// hash_string_320 will hash the given input and return the
-// computed hash
-hash_string_320 :: proc(data: string) -> [DIGEST_SIZE_320]byte {
-    return hash_bytes_320(transmute([]byte)(data))
-}
-
-// hash_bytes_320 will hash the given input and return the
-// computed hash
-hash_bytes_320 :: proc(data: []byte) -> [DIGEST_SIZE_320]byte {
-    hash: [DIGEST_SIZE_320]byte
-    ctx: Ripemd320_Context
-    init(&ctx)
-    update(&ctx, data)
-    final(&ctx, hash[:])
-    return hash
-}
-
-// hash_string_to_buffer_320 will hash the given input and assign the
-// computed hash to the second parameter.
-// It requires that the destination buffer is at least as big as the digest size
-hash_string_to_buffer_320 :: proc(data: string, hash: []byte) {
-    hash_bytes_to_buffer_320(transmute([]byte)(data), hash)
-}
-
-// hash_bytes_to_buffer_320 will hash the given input and write the
-// computed hash into the second parameter.
-// It requires that the destination buffer is at least as big as the digest size
-hash_bytes_to_buffer_320 :: proc(data, hash: []byte) {
-    assert(len(hash) >= DIGEST_SIZE_320, "Size of destination buffer is smaller than the digest size")
-    ctx: Ripemd320_Context
-    init(&ctx)
-    update(&ctx, data)
-    final(&ctx, hash)
-}
-
-// hash_stream_320 will read the stream in chunks and compute a
-// hash from its contents
-hash_stream_320 :: proc(s: io.Stream) -> ([DIGEST_SIZE_320]byte, bool) {
-    hash: [DIGEST_SIZE_320]byte
-    ctx: Ripemd320_Context
-    init(&ctx)
-    buf := make([]byte, 512)
-    defer delete(buf)
-    read := 1
-    for read > 0 {
-        read, _ = io.read(s, buf)
-        if read > 0 {
-            update(&ctx, buf[:read])
-        } 
-    }
-    final(&ctx, hash[:])
-    return hash, true
-}
-
-// hash_file_320 will read the file provided by the given handle
-// and compute a hash
-hash_file_320 :: proc(hd: os.Handle, load_at_once := false) -> ([DIGEST_SIZE_320]byte, bool) {
-    if !load_at_once {
-        return hash_stream_320(os.stream_from_handle(hd))
-    } else {
-        if buf, ok := os.read_entire_file(hd); ok {
-            return hash_bytes_320(buf[:]), ok
-        }
-    }
-    return [DIGEST_SIZE_320]byte{}, false
-}
-
-hash_320 :: proc {
-    hash_stream_320,
-    hash_file_320,
-    hash_bytes_320,
-    hash_string_320,
-    hash_bytes_to_buffer_320,
-    hash_string_to_buffer_320,
-}
-
-/*
-    Low level API
-*/
-
-init :: proc(ctx: ^$T) {
-    when T == Ripemd128_Context {
-        ctx.s[0], ctx.s[1], ctx.s[2], ctx.s[3] = S0, S1, S2, S3
-    } else when T == Ripemd160_Context {
-        ctx.s[0], ctx.s[1], ctx.s[2], ctx.s[3], ctx.s[4] = S0, S1, S2, S3, S4
-    } else when T == Ripemd256_Context {
-        ctx.s[0], ctx.s[1], ctx.s[2], ctx.s[3] = S0, S1, S2, S3
-        ctx.s[4], ctx.s[5], ctx.s[6], ctx.s[7] = S5, S6, S7, S8
-    } else when T == Ripemd320_Context {
-        ctx.s[0], ctx.s[1], ctx.s[2], ctx.s[3], ctx.s[4] = S0, S1, S2, S3, S4
-        ctx.s[5], ctx.s[6], ctx.s[7], ctx.s[8], ctx.s[9] = S5, S6, S7, S8, S9
-    }
-}
-
-update :: proc(ctx: ^$T, data: []byte) {
-    ctx.tc += u64(len(data))
-    data := data
-    if ctx.nx > 0 {
-        n := len(data)
-
-        when T == Ripemd128_Context {
-            if n > RIPEMD_128_BLOCK_SIZE - ctx.nx {
-                n = RIPEMD_128_BLOCK_SIZE - ctx.nx
-            }
-        } else when T == Ripemd160_Context {
-            if n > RIPEMD_160_BLOCK_SIZE - ctx.nx {
-                n = RIPEMD_160_BLOCK_SIZE - ctx.nx
-            }
-        } else when T == Ripemd256_Context{
-            if n > RIPEMD_256_BLOCK_SIZE - ctx.nx {
-                n = RIPEMD_256_BLOCK_SIZE - ctx.nx
-            }
-        } else when T == Ripemd320_Context{
-            if n > RIPEMD_320_BLOCK_SIZE - ctx.nx {
-                n = RIPEMD_320_BLOCK_SIZE - ctx.nx
-            }
-        }
-
-        for i := 0; i < n; i += 1 {
-            ctx.x[ctx.nx + i] = data[i]
-        }
-
-        ctx.nx += n
-        when T == Ripemd128_Context {
-            if ctx.nx == RIPEMD_128_BLOCK_SIZE {
-                block(ctx, ctx.x[0:])
-                ctx.nx = 0
-            }
-        } else when T == Ripemd160_Context {
-            if ctx.nx == RIPEMD_160_BLOCK_SIZE {
-                block(ctx, ctx.x[0:])
-                ctx.nx = 0
-            }
-        } else when T == Ripemd256_Context{
-            if ctx.nx == RIPEMD_256_BLOCK_SIZE {
-                block(ctx, ctx.x[0:])
-                ctx.nx = 0
-            }
-        } else when T == Ripemd320_Context{
-            if ctx.nx == RIPEMD_320_BLOCK_SIZE {
-                block(ctx, ctx.x[0:])
-                ctx.nx = 0
-            }
-        }
-        data = data[n:]
-    }
-    n := block(ctx, data)
-    data = data[n:]
-    if len(data) > 0 {
-        ctx.nx = copy(ctx.x[:], data)
-    }
-}
-
-final :: proc(ctx: ^$T, hash: []byte) {
-    d := ctx
-    tc := d.tc
-    tmp: [64]byte
-    tmp[0] = 0x80
-
-    if tc % 64 < 56 {
-        update(d, tmp[0:56 - tc % 64])
-    } else {
-        update(d, tmp[0:64 + 56 - tc % 64])
-    }
-
-    tc <<= 3
-    for i : u32 = 0; i < 8; i += 1 {
-        tmp[i] = byte(tc >> (8 * i))
-    }
-
-    update(d, tmp[0:8])
-
-    when T == Ripemd128_Context {
-        size :: RIPEMD_128_SIZE
-    } else when T == Ripemd160_Context {
-        size :: RIPEMD_160_SIZE
-    } else when T == Ripemd256_Context{
-        size :: RIPEMD_256_SIZE
-    } else when T == Ripemd320_Context{
-        size :: RIPEMD_320_SIZE
-    }
-
-    digest: [size]byte
-    for s, i in d.s {
-        digest[i * 4]     = byte(s)
-        digest[i * 4 + 1] = byte(s >> 8)
-        digest[i * 4 + 2] = byte(s >> 16)
-        digest[i * 4 + 3] = byte(s >> 24)
-    }
-    copy(hash[:], digest[:])
-}
-
-
-/*
-    RIPEMD implementation
-*/
-
-Ripemd128_Context :: struct {
-	s:  [4]u32,
-	x:  [RIPEMD_128_BLOCK_SIZE]byte,
-	nx: int,
-	tc: u64,
-}
-
-Ripemd160_Context :: struct {
-	s:  [5]u32,
-	x:  [RIPEMD_160_BLOCK_SIZE]byte,
-	nx: int,
-	tc: u64,
-}
-
-Ripemd256_Context :: struct {
-	s:  [8]u32,
-	x:  [RIPEMD_256_BLOCK_SIZE]byte,
-	nx: int,
-	tc: u64,
-}
-
-Ripemd320_Context :: struct {
-	s:  [10]u32,
-	x:  [RIPEMD_320_BLOCK_SIZE]byte,
-	nx: int,
-	tc: u64,
-}
-
-RIPEMD_128_SIZE       :: 16
-RIPEMD_128_BLOCK_SIZE :: 64
-RIPEMD_160_SIZE       :: 20
-RIPEMD_160_BLOCK_SIZE :: 64
-RIPEMD_256_SIZE       :: 32
-RIPEMD_256_BLOCK_SIZE :: 64
-RIPEMD_320_SIZE       :: 40
-RIPEMD_320_BLOCK_SIZE :: 64
-
-S0 :: 0x67452301
-S1 :: 0xefcdab89
-S2 :: 0x98badcfe
-S3 :: 0x10325476
-S4 :: 0xc3d2e1f0
-S5 :: 0x76543210
-S6 :: 0xfedcba98
-S7 :: 0x89abcdef
-S8 :: 0x01234567
-S9 :: 0x3c2d1e0f
-
-RIPEMD_128_N0 := [64]uint {
-	0, 1,  2,  3,  4,  5,  6,  7, 8,  9, 10, 11, 12, 13, 14, 15,
-	7, 4,  13, 1,  10, 6,  15, 3, 12, 0, 9,  5,  2,  14, 11, 8,
-	3, 10, 14, 4,  9,  15, 8,  1, 2,  7, 0,  6,  13, 11, 5,  12,
-	1, 9,  11, 10, 0,  8,  12, 4, 13, 3, 7,  15, 14, 5,  6,  2,
-}
-
-RIPEMD_128_R0 := [64]uint {
-	11, 14, 15, 12, 5,  8,  7,  9,  11, 13, 14, 15, 6,  7,  9,  8,
-	7,  6,  8,  13, 11, 9,  7,  15, 7,  12, 15, 9,  11, 7,  13, 12,
-	11, 13, 6,  7,  14, 9,  13, 15, 14, 8,  13, 6,  5,  12, 7,  5,
-	11, 12, 14, 15, 14, 15, 9,  8,  9,  14, 5,  6,  8,  6,  5,  12,
-}
-
-RIPEMD_128_N1 := [64]uint {
-	5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
-	6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
-	15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
-	8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
-}
-
-RIPEMD_128_R1 := [64]uint {
-	8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
-	9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
-	9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
-	15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
-}
-
-RIPEMD_160_N0 := [80]uint {
-	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
-	7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
-	3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
-	1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
-	4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13,
-}
-
-RIPEMD_160_R0 := [80]uint {
-	11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
-	7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
-	11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
-	11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
-	9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6,
-}
-
-RIPEMD_160_N1 := [80]uint {
-	5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
-	6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
-	15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
-	8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
-	12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11,
-}
-
-RIPEMD_160_R1 := [80]uint {
-	8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
-	9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
-	9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
-	15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
-	8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11,
-}
-
-block :: #force_inline proc (ctx: ^$T, p: []byte) -> int {
-    when T == Ripemd128_Context {
-    	return ripemd_128_block(ctx, p)
-    }
-    else when T == Ripemd160_Context {
-    	return ripemd_160_block(ctx, p)
-    }
-    else when T == Ripemd256_Context {
-    	return ripemd_256_block(ctx, p)
-    }
-    else when T == Ripemd320_Context {
-    	return ripemd_320_block(ctx, p)
-    }
-}
-
-ripemd_128_block :: proc(ctx: ^$T, p: []byte) -> int {
-	n := 0
-	x: [16]u32 = ---
-	alpha: u32 = ---
-	p := p
-	for len(p) >= RIPEMD_128_BLOCK_SIZE {
-		a, b, c, d := ctx.s[0], ctx.s[1], ctx.s[2], ctx.s[3]
-		aa, bb, cc, dd := a, b, c, d
-		for i,j := 0, 0; i < 16; i, j = i+1, j+4 {
-			x[i] = u32(p[j]) | u32(p[j+1])<<8 | u32(p[j+2])<<16 | u32(p[j+3])<<24
-		}
-		i := 0
-		for i < 16 {
-			alpha = a + (b ~ c ~ d) + x[RIPEMD_128_N0[i]]
-			s := int(RIPEMD_128_R0[i])
-			alpha = util.ROTL32(alpha, s)
-			a, b, c, d = d, alpha, b, c
-			alpha = aa + (bb & dd | cc &~ dd) + x[RIPEMD_128_N1[i]] + 0x50a28be6
-			s = int(RIPEMD_128_R1[i])
-			alpha = util.ROTL32(alpha, s)
-			aa, bb, cc, dd= dd, alpha, bb, cc
-			i += 1
-		}
-		for i < 32 {
-			alpha = a + (d ~ (b & (c~d))) + x[RIPEMD_128_N0[i]] + 0x5a827999
-			s := int(RIPEMD_128_R0[i])
-			alpha = util.ROTL32(alpha, s)
-			a, b, c, d = d, alpha, b, c
-			alpha = aa + (dd ~ (bb | ~cc)) + x[RIPEMD_128_N1[i]] + 0x5c4dd124
-			s = int(RIPEMD_128_R1[i])
-			alpha = util.ROTL32(alpha, s)
-			aa, bb, cc, dd = dd, alpha, bb, cc
-			i += 1
-		}
-		for i < 48 {
-			alpha = a + (d ~ (b | ~c)) + x[RIPEMD_128_N0[i]] + 0x6ed9eba1
-			s := int(RIPEMD_128_R0[i])
-			alpha = util.ROTL32(alpha, s)
-			a, b, c, d = d, alpha, b, c
-			alpha = aa + (dd ~ (bb & (cc~dd))) + x[RIPEMD_128_N1[i]] + 0x6d703ef3
-			s = int(RIPEMD_128_R1[i])
-			alpha = util.ROTL32(alpha, s)
-			aa, bb, cc, dd = dd, alpha, bb, cc
-			i += 1
-		}
-		for i < 64 {
-			alpha = a + (c ~ (d & (b~c))) + x[RIPEMD_128_N0[i]] + 0x8f1bbcdc
-			s := int(RIPEMD_128_R0[i])
-			alpha = util.ROTL32(alpha, s)
-			a, b, c, d = d, alpha, b, c
-			alpha = aa + (bb ~ cc ~ dd) + x[RIPEMD_128_N1[i]]
-			s = int(RIPEMD_128_R1[i])
-			alpha = util.ROTL32(alpha, s)
-			aa, bb, cc, dd = dd, alpha, bb, cc
-			i += 1
-		}
-		c = ctx.s[1] + c + dd
-		ctx.s[1] = ctx.s[2] + d + aa
-		ctx.s[2] = ctx.s[3] + a + bb
-		ctx.s[3] = ctx.s[0] + b + cc
-		ctx.s[0] = c
-		p = p[RIPEMD_128_BLOCK_SIZE:]
-		n += RIPEMD_128_BLOCK_SIZE
-	}
-	return n
-}
-
-ripemd_160_block :: proc(ctx: ^$T, p: []byte) -> int {
-    n := 0
-	x: [16]u32 = ---
-	alpha, beta: u32 = ---, ---
-	p := p
-	for len(p) >= RIPEMD_160_BLOCK_SIZE {
-		a, b, c, d, e := ctx.s[0], ctx.s[1], ctx.s[2], ctx.s[3], ctx.s[4]
-		aa, bb, cc, dd, ee := a, b, c, d, e
-		for i,j := 0, 0; i < 16; i, j = i+1, j+4 {
-			x[i] = u32(p[j]) | u32(p[j+1])<<8 | u32(p[j+2])<<16 | u32(p[j+3])<<24
-		}
-		i := 0
-		for i < 16 {
-			alpha = a + (b ~ c ~ d) + x[RIPEMD_160_N0[i]]
-			s := int(RIPEMD_160_R0[i])
-			alpha = util.ROTL32(alpha, s) + e
-			beta = util.ROTL32(c, 10)
-			a, b, c, d, e = e, alpha, b, beta, d
-			alpha = aa + (bb ~ (cc | ~dd)) + x[RIPEMD_160_N1[i]] + 0x50a28be6
-			s = int(RIPEMD_160_R1[i])
-			alpha = util.ROTL32(alpha, s) + ee
-			beta = util.ROTL32(cc, 10)
-			aa, bb, cc, dd, ee = ee, alpha, bb, beta, dd
-			i += 1
-		}
-		for i < 32 {
-			alpha = a + (b&c | ~b&d) + x[RIPEMD_160_N0[i]] + 0x5a827999
-			s := int(RIPEMD_160_R0[i])
-			alpha = util.ROTL32(alpha, s) + e
-			beta = util.ROTL32(c, 10)
-			a, b, c, d, e = e, alpha, b, beta, d
-			alpha = aa + (bb&dd | cc&~dd) + x[RIPEMD_160_N1[i]] + 0x5c4dd124
-			s = int(RIPEMD_160_R1[i])
-			alpha = util.ROTL32(alpha, s) + ee
-			beta = util.ROTL32(cc, 10)
-			aa, bb, cc, dd, ee = ee, alpha, bb, beta, dd
-			i += 1
-		}
-		for i < 48 {
-			alpha = a + (b | ~c ~ d) + x[RIPEMD_160_N0[i]] + 0x6ed9eba1
-			s := int(RIPEMD_160_R0[i])
-			alpha = util.ROTL32(alpha, s) + e
-			beta = util.ROTL32(c, 10)
-			a, b, c, d, e = e, alpha, b, beta, d
-			alpha = aa + (bb | ~cc ~ dd) + x[RIPEMD_160_N1[i]] + 0x6d703ef3
-			s = int(RIPEMD_160_R1[i])
-			alpha = util.ROTL32(alpha, s) + ee
-			beta = util.ROTL32(cc, 10)
-			aa, bb, cc, dd, ee = ee, alpha, bb, beta, dd
-			i += 1
-		}
-		for i < 64 {
-			alpha = a + (b&d | c&~d) + x[RIPEMD_160_N0[i]] + 0x8f1bbcdc
-			s := int(RIPEMD_160_R0[i])
-			alpha = util.ROTL32(alpha, s) + e
-			beta = util.ROTL32(c, 10)
-			a, b, c, d, e = e, alpha, b, beta, d
-			alpha = aa + (bb&cc | ~bb&dd) + x[RIPEMD_160_N1[i]] + 0x7a6d76e9
-			s = int(RIPEMD_160_R1[i])
-			alpha = util.ROTL32(alpha, s) + ee
-			beta = util.ROTL32(cc, 10)
-			aa, bb, cc, dd, ee = ee, alpha, bb, beta, dd
-			i += 1
-		}
-		for i < 80 {
-			alpha = a + (b ~ (c | ~d)) + x[RIPEMD_160_N0[i]] + 0xa953fd4e
-			s := int(RIPEMD_160_R0[i])
-			alpha = util.ROTL32(alpha, s) + e
-			beta = util.ROTL32(c, 10)
-			a, b, c, d, e = e, alpha, b, beta, d
-			alpha = aa + (bb ~ cc ~ dd) + x[RIPEMD_160_N1[i]]
-			s = int(RIPEMD_160_R1[i])
-			alpha = util.ROTL32(alpha, s) + ee
-			beta = util.ROTL32(cc, 10)
-			aa, bb, cc, dd, ee = ee, alpha, bb, beta, dd
-			i += 1
-		}
-		dd += c + ctx.s[1]
-		ctx.s[1] = ctx.s[2] + d + ee
-		ctx.s[2] = ctx.s[3] + e + aa
-		ctx.s[3] = ctx.s[4] + a + bb
-		ctx.s[4] = ctx.s[0] + b + cc
-		ctx.s[0] = dd
-		p = p[RIPEMD_160_BLOCK_SIZE:]
-		n += RIPEMD_160_BLOCK_SIZE
-	}
-	return n
-}
-
-ripemd_256_block :: proc(ctx: ^$T, p: []byte) -> int {
-	n := 0
-	x: [16]u32 = ---
-	alpha: u32 = ---
-	p := p
-	for len(p) >= RIPEMD_256_BLOCK_SIZE {
-		a, b, c, d := ctx.s[0], ctx.s[1], ctx.s[2], ctx.s[3]
-		aa, bb, cc, dd := ctx.s[4], ctx.s[5], ctx.s[6], ctx.s[7]
-		for i,j := 0, 0; i < 16; i, j = i+1, j+4 {
-			x[i] = u32(p[j]) | u32(p[j+1])<<8 | u32(p[j+2])<<16 | u32(p[j+3])<<24
-		}
-		i := 0
-		for i < 16 {
-			alpha = a + (b ~ c ~ d) + x[RIPEMD_128_N0[i]]
-			s := int(RIPEMD_128_R0[i])
-			alpha = util.ROTL32(alpha, s)
-			a, b, c, d = d, alpha, b, c
-			alpha = aa + (bb & dd | cc &~ dd) + x[RIPEMD_128_N1[i]] + 0x50a28be6
-			s = int(RIPEMD_128_R1[i])
-			alpha = util.ROTL32(alpha, s)
-			aa, bb, cc, dd= dd, alpha, bb, cc
-			i += 1
-		}
-		t := a
-		a = aa
-		aa = t
-		for i < 32 {
-			alpha = a + (d ~ (b & (c~d))) + x[RIPEMD_128_N0[i]] + 0x5a827999
-			s := int(RIPEMD_128_R0[i])
-			alpha = util.ROTL32(alpha, s)
-			a, b, c, d = d, alpha, b, c
-			alpha = aa + (dd ~ (bb | ~cc)) + x[RIPEMD_128_N1[i]] + 0x5c4dd124
-			s = int(RIPEMD_128_R1[i])
-			alpha = util.ROTL32(alpha, s)
-			aa, bb, cc, dd = dd, alpha, bb, cc
-			i += 1
-		}
-		t = b
-		b = bb
-		bb = t
-		for i < 48 {
-			alpha = a + (d ~ (b | ~c)) + x[RIPEMD_128_N0[i]] + 0x6ed9eba1
-			s := int(RIPEMD_128_R0[i])
-			alpha = util.ROTL32(alpha, s)
-			a, b, c, d = d, alpha, b, c
-			alpha = aa + (dd ~ (bb & (cc~dd))) + x[RIPEMD_128_N1[i]] + 0x6d703ef3
-			s = int(RIPEMD_128_R1[i])
-			alpha = util.ROTL32(alpha, s)
-			aa, bb, cc, dd = dd, alpha, bb, cc
-			i += 1
-		}
-		t = c
-		c = cc
-		cc = t
-		for i < 64 {
-			alpha = a + (c ~ (d & (b~c))) + x[RIPEMD_128_N0[i]] + 0x8f1bbcdc
-			s := int(RIPEMD_128_R0[i])
-			alpha = util.ROTL32(alpha, s)
-			a, b, c, d = d, alpha, b, c
-			alpha = aa + (bb ~ cc ~ dd) + x[RIPEMD_128_N1[i]]
-			s = int(RIPEMD_128_R1[i])
-			alpha = util.ROTL32(alpha, s)
-			aa, bb, cc, dd = dd, alpha, bb, cc
-			i += 1
-		}
-		t = d
-		d = dd
-		dd = t
-		ctx.s[0] += a
-		ctx.s[1] += b
-		ctx.s[2] += c
-		ctx.s[3] += d
-		ctx.s[4] += aa
-		ctx.s[5] += bb
-		ctx.s[6] += cc
-		ctx.s[7] += dd
-		p = p[RIPEMD_256_BLOCK_SIZE:]
-		n += RIPEMD_256_BLOCK_SIZE
-	}
-	return n
-}
-
-ripemd_320_block :: proc(ctx: ^$T, p: []byte) -> int {
-    n := 0
-	x: [16]u32 = ---
-	alpha, beta: u32 = ---, ---
-	p := p
-	for len(p) >= RIPEMD_320_BLOCK_SIZE {
-		a, b, c, d, e := ctx.s[0], ctx.s[1], ctx.s[2], ctx.s[3], ctx.s[4]
-		aa, bb, cc, dd, ee := ctx.s[5], ctx.s[6], ctx.s[7], ctx.s[8], ctx.s[9]
-		for i,j := 0, 0; i < 16; i, j = i+1, j+4 {
-			x[i] = u32(p[j]) | u32(p[j+1])<<8 | u32(p[j+2])<<16 | u32(p[j+3])<<24
-		}
-		i := 0
-		for i < 16 {
-			alpha = a + (b ~ c ~ d) + x[RIPEMD_160_N0[i]]
-			s := int(RIPEMD_160_R0[i])
-			alpha = util.ROTL32(alpha, s) + e
-			beta = util.ROTL32(c, 10)
-			a, b, c, d, e = e, alpha, b, beta, d
-			alpha = aa + (bb ~ (cc | ~dd)) + x[RIPEMD_160_N1[i]] + 0x50a28be6
-			s = int(RIPEMD_160_R1[i])
-			alpha = util.ROTL32(alpha, s) + ee
-			beta = util.ROTL32(cc, 10)
-			aa, bb, cc, dd, ee = ee, alpha, bb, beta, dd
-			i += 1
-		}
-		t := b
-		b = bb
-		bb = t
-		for i < 32 {
-			alpha = a + (b&c | ~b&d) + x[RIPEMD_160_N0[i]] + 0x5a827999
-			s := int(RIPEMD_160_R0[i])
-			alpha = util.ROTL32(alpha, s) + e
-			beta = util.ROTL32(c, 10)
-			a, b, c, d, e = e, alpha, b, beta, d
-			alpha = aa + (bb&dd | cc&~dd) + x[RIPEMD_160_N1[i]] + 0x5c4dd124
-			s = int(RIPEMD_160_R1[i])
-			alpha = util.ROTL32(alpha, s) + ee
-			beta = util.ROTL32(cc, 10)
-			aa, bb, cc, dd, ee = ee, alpha, bb, beta, dd
-			i += 1
-		}
-		t = d
-		d = dd
-		dd = t
-		for i < 48 {
-			alpha = a + (b | ~c ~ d) + x[RIPEMD_160_N0[i]] + 0x6ed9eba1
-			s := int(RIPEMD_160_R0[i])
-			alpha = util.ROTL32(alpha, s) + e
-			beta = util.ROTL32(c, 10)
-			a, b, c, d, e = e, alpha, b, beta, d
-			alpha = aa + (bb | ~cc ~ dd) + x[RIPEMD_160_N1[i]] + 0x6d703ef3
-			s = int(RIPEMD_160_R1[i])
-			alpha = util.ROTL32(alpha, s) + ee
-			beta = util.ROTL32(cc, 10)
-			aa, bb, cc, dd, ee = ee, alpha, bb, beta, dd
-			i += 1
-		}
-		t = a
-		a = aa
-		aa = t
-		for i < 64 {
-			alpha = a + (b&d | c&~d) + x[RIPEMD_160_N0[i]] + 0x8f1bbcdc
-			s := int(RIPEMD_160_R0[i])
-			alpha = util.ROTL32(alpha, s) + e
-			beta = util.ROTL32(c, 10)
-			a, b, c, d, e = e, alpha, b, beta, d
-			alpha = aa + (bb&cc | ~bb&dd) + x[RIPEMD_160_N1[i]] + 0x7a6d76e9
-			s = int(RIPEMD_160_R1[i])
-			alpha = util.ROTL32(alpha, s) + ee
-			beta = util.ROTL32(cc, 10)
-			aa, bb, cc, dd, ee = ee, alpha, bb, beta, dd
-			i += 1
-		}
-		t = c
-		c = cc
-		cc = t
-		for i < 80 {
-			alpha = a + (b ~ (c | ~d)) + x[RIPEMD_160_N0[i]] + 0xa953fd4e
-			s := int(RIPEMD_160_R0[i])
-			alpha = util.ROTL32(alpha, s) + e
-			beta = util.ROTL32(c, 10)
-			a, b, c, d, e = e, alpha, b, beta, d
-			alpha = aa + (bb ~ cc ~ dd) + x[RIPEMD_160_N1[i]]
-			s = int(RIPEMD_160_R1[i])
-			alpha = util.ROTL32(alpha, s) + ee
-			beta = util.ROTL32(cc, 10)
-			aa, bb, cc, dd, ee = ee, alpha, bb, beta, dd
-			i += 1
-		}
-		t = e
-		e = ee
-		ee = t
-		ctx.s[0] += a
-		ctx.s[1] += b
-		ctx.s[2] += c
-		ctx.s[3] += d
-		ctx.s[4] += e
-		ctx.s[5] += aa
-		ctx.s[6] += bb
-		ctx.s[7] += cc
-		ctx.s[8] += dd
-		ctx.s[9] += ee
-		p = p[RIPEMD_320_BLOCK_SIZE:]
-		n += RIPEMD_320_BLOCK_SIZE
-	}
-	return n
-}