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core/crypto/blake2: Add the ability to easily alter digest size

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Yawning Angel
2025-03-23 19:14:33 +09:00
parent 93951ac72a
commit dc94452fb9
2 changed files with 12 additions and 6 deletions
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core/crypto/blake2b/blake2b.odin
+6 -3
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@@ -18,7 +18,7 @@ package blake2b
import "../_blake2" import "../_blake2"
// DIGEST_SIZE is the BLAKE2b digest size in bytes. // DIGEST_SIZE is the BLAKE2b digest size in bytes.
DIGEST_SIZE :: 64 DIGEST_SIZE :: _blake2.BLAKE2B_SIZE
// BLOCK_SIZE is the BLAKE2b block size in bytes. // BLOCK_SIZE is the BLAKE2b block size in bytes.
BLOCK_SIZE :: _blake2.BLAKE2B_BLOCK_SIZE BLOCK_SIZE :: _blake2.BLAKE2B_BLOCK_SIZE
@@ -27,9 +27,12 @@ BLOCK_SIZE :: _blake2.BLAKE2B_BLOCK_SIZE
Context :: _blake2.Blake2b_Context Context :: _blake2.Blake2b_Context
// init initializes a Context with the default BLAKE2b config. // init initializes a Context with the default BLAKE2b config.
init :: proc(ctx: ^Context) { init :: proc(ctx: ^Context, digest_size := DIGEST_SIZE) {
if digest_size > 255 {
panic("blake2b: invalid digest size")
}
cfg: _blake2.Blake2_Config cfg: _blake2.Blake2_Config
cfg.size = _blake2.BLAKE2B_SIZE cfg.size = u8(digest_size)
_blake2.init(ctx, &cfg) _blake2.init(ctx, &cfg)
} }
core/crypto/blake2s/blake2s.odin
+6 -3
View File
@@ -18,7 +18,7 @@ package blake2s
import "../_blake2" import "../_blake2"
// DIGEST_SIZE is the BLAKE2s digest size in bytes. // DIGEST_SIZE is the BLAKE2s digest size in bytes.
DIGEST_SIZE :: 32 DIGEST_SIZE :: _blake2.BLAKE2S_SIZE
// BLOCK_SIZE is the BLAKE2s block size in bytes. // BLOCK_SIZE is the BLAKE2s block size in bytes.
BLOCK_SIZE :: _blake2.BLAKE2S_BLOCK_SIZE BLOCK_SIZE :: _blake2.BLAKE2S_BLOCK_SIZE
@@ -27,9 +27,12 @@ BLOCK_SIZE :: _blake2.BLAKE2S_BLOCK_SIZE
Context :: _blake2.Blake2s_Context Context :: _blake2.Blake2s_Context
// init initializes a Context with the default BLAKE2s config. // init initializes a Context with the default BLAKE2s config.
init :: proc(ctx: ^Context) { init :: proc(ctx: ^Context, digest_size := DIGEST_SIZE) {
if digest_size > 255 {
panic("blake2s: invalid digest size")
}
cfg: _blake2.Blake2_Config cfg: _blake2.Blake2_Config
cfg.size = _blake2.BLAKE2S_SIZE cfg.size = u8(digest_size)
_blake2.init(ctx, &cfg) _blake2.init(ctx, &cfg)
} }