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Extended crypto API by variants that write the result into a destination buffer, instead of returning it

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This commit is contained in:
zhibog
2021-12-31 13:16:11 +01:00
parent c7ff296bef
commit 42033ea808
38 changed files with 2690 additions and 662 deletions
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core/crypto/blake/blake.odin
+117 -28
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@@ -17,16 +17,21 @@ import "core:io"
High level API
*/
DIGEST_SIZE_224 :: 28
DIGEST_SIZE_256 :: 32
DIGEST_SIZE_384 :: 48
DIGEST_SIZE_512 :: 64
// hash_string_224 will hash the given input and return the
// computed hash
hash_string_224 :: proc "contextless" (data: string) -> [28]byte {
hash_string_224 :: proc "contextless" (data: string) -> [DIGEST_SIZE_224]byte {
return hash_bytes_224(transmute([]byte)(data))
}
// hash_bytes_224 will hash the given input and return the
// computed hash
hash_bytes_224 :: proc "contextless" (data: []byte) -> [28]byte {
hash: [28]byte
hash_bytes_224 :: proc "contextless" (data: []byte) -> [DIGEST_SIZE_224]byte {
hash: [DIGEST_SIZE_224]byte
ctx: Blake256_Context
ctx.is224 = true
init(&ctx)
@@ -35,10 +40,29 @@ hash_bytes_224 :: proc "contextless" (data: []byte) -> [28]byte {
return hash
}
// hash_string_to_buffer_224 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_224 :: proc(data: string, hash: []byte) {
hash_bytes_to_buffer_224(transmute([]byte)(data), hash);
}
// hash_bytes_to_buffer_224 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_224 :: proc(data, hash: []byte) {
assert(len(hash) >= DIGEST_SIZE_224, "Size of destination buffer is smaller than the digest size")
ctx: Blake256_Context
ctx.is224 = true
init(&ctx)
update(&ctx, data)
final(&ctx, hash)
}
// hash_stream_224 will read the stream in chunks and compute a
// hash from its contents
hash_stream_224 :: proc(s: io.Stream) -> ([28]byte, bool) {
hash: [28]byte
hash_stream_224 :: proc(s: io.Stream) -> ([DIGEST_SIZE_224]byte, bool) {
hash: [DIGEST_SIZE_224]byte
ctx: Blake256_Context
ctx.is224 = true
init(&ctx)
@@ -57,7 +81,7 @@ hash_stream_224 :: proc(s: io.Stream) -> ([28]byte, bool) {
// hash_file_224 will read the file provided by the given handle
// and compute a hash
hash_file_224 :: proc(hd: os.Handle, load_at_once := false) -> ([28]byte, bool) {
hash_file_224 :: proc(hd: os.Handle, load_at_once := false) -> ([DIGEST_SIZE_224]byte, bool) {
if !load_at_once {
return hash_stream_224(os.stream_from_handle(hd))
} else {
@@ -65,7 +89,7 @@ hash_file_224 :: proc(hd: os.Handle, load_at_once := false) -> ([28]byte, bool)
return hash_bytes_224(buf[:]), ok
}
}
return [28]byte{}, false
return [DIGEST_SIZE_224]byte{}, false
}
hash_224 :: proc {
@@ -73,18 +97,20 @@ hash_224 :: proc {
hash_file_224,
hash_bytes_224,
hash_string_224,
hash_bytes_to_buffer_224,
hash_string_to_buffer_224,
}
// hash_string_256 will hash the given input and return the
// computed hash
hash_string_256 :: proc "contextless" (data: string) -> [32]byte {
hash_string_256 :: proc "contextless" (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 "contextless" (data: []byte) -> [32]byte {
hash: [32]byte
hash_bytes_256 :: proc "contextless" (data: []byte) -> [DIGEST_SIZE_256]byte {
hash: [DIGEST_SIZE_256]byte
ctx: Blake256_Context
ctx.is224 = false
init(&ctx)
@@ -93,10 +119,29 @@ hash_bytes_256 :: proc "contextless" (data: []byte) -> [32]byte {
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: Blake256_Context
ctx.is224 = false
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) -> ([32]byte, bool) {
hash: [32]byte
hash_stream_256 :: proc(s: io.Stream) -> ([DIGEST_SIZE_256]byte, bool) {
hash: [DIGEST_SIZE_256]byte
ctx: Blake256_Context
ctx.is224 = false
init(&ctx)
@@ -115,7 +160,7 @@ hash_stream_256 :: proc(s: io.Stream) -> ([32]byte, bool) {
// 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) -> ([32]byte, bool) {
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 {
@@ -123,7 +168,7 @@ hash_file_256 :: proc(hd: os.Handle, load_at_once := false) -> ([32]byte, bool)
return hash_bytes_256(buf[:]), ok
}
}
return [32]byte{}, false
return [DIGEST_SIZE_256]byte{}, false
}
hash_256 :: proc {
@@ -131,18 +176,20 @@ hash_256 :: proc {
hash_file_256,
hash_bytes_256,
hash_string_256,
hash_bytes_to_buffer_256,
hash_string_to_buffer_256,
}
// hash_string_384 will hash the given input and return the
// computed hash
hash_string_384 :: proc "contextless" (data: string) -> [48]byte {
hash_string_384 :: proc "contextless" (data: string) -> [DIGEST_SIZE_384]byte {
return hash_bytes_384(transmute([]byte)(data))
}
// hash_bytes_384 will hash the given input and return the
// computed hash
hash_bytes_384 :: proc "contextless" (data: []byte) -> [48]byte {
hash: [48]byte
hash_bytes_384 :: proc "contextless" (data: []byte) -> [DIGEST_SIZE_384]byte {
hash: [DIGEST_SIZE_384]byte
ctx: Blake512_Context
ctx.is384 = true
init(&ctx)
@@ -151,10 +198,29 @@ hash_bytes_384 :: proc "contextless" (data: []byte) -> [48]byte {
return hash
}
// hash_string_to_buffer_384 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_384 :: proc(data: string, hash: []byte) {
hash_bytes_to_buffer_384(transmute([]byte)(data), hash);
}
// hash_bytes_to_buffer_384 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_384 :: proc(data, hash: []byte) {
assert(len(hash) >= DIGEST_SIZE_384, "Size of destination buffer is smaller than the digest size")
ctx: Blake512_Context
ctx.is384 = true
init(&ctx)
update(&ctx, data)
final(&ctx, hash)
}
// hash_stream_384 will read the stream in chunks and compute a
// hash from its contents
hash_stream_384 :: proc(s: io.Stream) -> ([48]byte, bool) {
hash: [48]byte
hash_stream_384 :: proc(s: io.Stream) -> ([DIGEST_SIZE_384]byte, bool) {
hash: [DIGEST_SIZE_384]byte
ctx: Blake512_Context
ctx.is384 = true
init(&ctx)
@@ -173,7 +239,7 @@ hash_stream_384 :: proc(s: io.Stream) -> ([48]byte, bool) {
// hash_file_384 will read the file provided by the given handle
// and compute a hash
hash_file_384 :: proc(hd: os.Handle, load_at_once := false) -> ([48]byte, bool) {
hash_file_384 :: proc(hd: os.Handle, load_at_once := false) -> ([DIGEST_SIZE_384]byte, bool) {
if !load_at_once {
return hash_stream_384(os.stream_from_handle(hd))
} else {
@@ -181,7 +247,7 @@ hash_file_384 :: proc(hd: os.Handle, load_at_once := false) -> ([48]byte, bool)
return hash_bytes_384(buf[:]), ok
}
}
return [48]byte{}, false
return [DIGEST_SIZE_384]byte{}, false
}
hash_384 :: proc {
@@ -189,18 +255,20 @@ hash_384 :: proc {
hash_file_384,
hash_bytes_384,
hash_string_384,
hash_bytes_to_buffer_384,
hash_string_to_buffer_384,
}
// hash_string_512 will hash the given input and return the
// computed hash
hash_string_512 :: proc "contextless" (data: string) -> [64]byte {
hash_string_512 :: proc "contextless" (data: string) -> [DIGEST_SIZE_512]byte {
return hash_bytes_512(transmute([]byte)(data))
}
// hash_bytes_512 will hash the given input and return the
// computed hash
hash_bytes_512 :: proc "contextless" (data: []byte) -> [64]byte {
hash: [64]byte
hash_bytes_512 :: proc "contextless" (data: []byte) -> [DIGEST_SIZE_512]byte {
hash: [DIGEST_SIZE_512]byte
ctx: Blake512_Context
ctx.is384 = false
init(&ctx)
@@ -209,10 +277,29 @@ hash_bytes_512 :: proc "contextless" (data: []byte) -> [64]byte {
return hash
}
// hash_string_to_buffer_512 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_512 :: proc(data: string, hash: []byte) {
hash_bytes_to_buffer_512(transmute([]byte)(data), hash);
}
// hash_bytes_to_buffer_512 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_512 :: proc(data, hash: []byte) {
assert(len(hash) >= DIGEST_SIZE_512, "Size of destination buffer is smaller than the digest size")
ctx: Blake512_Context
ctx.is384 = false
init(&ctx)
update(&ctx, data)
final(&ctx, hash)
}
// hash_stream_512 will read the stream in chunks and compute a
// hash from its contents
hash_stream_512 :: proc(s: io.Stream) -> ([64]byte, bool) {
hash: [64]byte
hash_stream_512 :: proc(s: io.Stream) -> ([DIGEST_SIZE_512]byte, bool) {
hash: [DIGEST_SIZE_512]byte
ctx: Blake512_Context
ctx.is384 = false
init(&ctx)
@@ -231,7 +318,7 @@ hash_stream_512 :: proc(s: io.Stream) -> ([64]byte, bool) {
// hash_file_512 will read the file provided by the given handle
// and compute a hash
hash_file_512 :: proc(hd: os.Handle, load_at_once := false) -> ([64]byte, bool) {
hash_file_512 :: proc(hd: os.Handle, load_at_once := false) -> ([DIGEST_SIZE_512]byte, bool) {
if !load_at_once {
return hash_stream_512(os.stream_from_handle(hd))
} else {
@@ -239,7 +326,7 @@ hash_file_512 :: proc(hd: os.Handle, load_at_once := false) -> ([64]byte, bool)
return hash_bytes_512(buf[:]), ok
}
}
return [64]byte{}, false
return [DIGEST_SIZE_512]byte{}, false
}
hash_512 :: proc {
@@ -247,6 +334,8 @@ hash_512 :: proc {
hash_file_512,
hash_bytes_512,
hash_string_512,
hash_bytes_to_buffer_512,
hash_string_to_buffer_512,
}
/*