core/crypto/sha2: API cleanup

- sha2.Sha256_Context -> sha2.Context_256
- sha2.Sha512_Context -> sha2.Context_512
This commit is contained in:
Yawning Angel
2023-11-17 19:31:51 +09:00
parent 506adfb105
commit 92aad90c6b
2 changed files with 105 additions and 107 deletions
+60 -72
View File
@@ -35,11 +35,10 @@ hash_string_224 :: proc(data: string) -> [DIGEST_SIZE_224]byte {
// computed hash
hash_bytes_224 :: proc(data: []byte) -> [DIGEST_SIZE_224]byte {
hash: [DIGEST_SIZE_224]byte
ctx: botan.hash_t
botan.hash_init(&ctx, botan.HASH_SHA_224, 0)
botan.hash_update(ctx, len(data) == 0 ? nil : &data[0], uint(len(data)))
botan.hash_final(ctx, &hash[0])
botan.hash_destroy(ctx)
ctx: Context
init(&ctx, hash_size = 224)
update(&ctx, data)
final(&ctx, hash[:])
return hash
}
@@ -55,31 +54,29 @@ hash_string_to_buffer_224 :: proc(data: string, hash: []byte) {
// 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: botan.hash_t
botan.hash_init(&ctx, botan.HASH_SHA_224, 0)
botan.hash_update(ctx, len(data) == 0 ? nil : &data[0], uint(len(data)))
botan.hash_final(ctx, &hash[0])
botan.hash_destroy(ctx)
ctx: Context
init(&ctx, hash_size = 224)
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) -> ([DIGEST_SIZE_224]byte, bool) {
hash: [DIGEST_SIZE_224]byte
ctx: botan.hash_t
botan.hash_init(&ctx, botan.HASH_SHA_224, 0)
ctx: Context
init(&ctx, hash_size = 224)
buf := make([]byte, 512)
defer delete(buf)
i := 1
for i > 0 {
i, _ = io.read(s, buf)
if i > 0 {
botan.hash_update(ctx, len(buf) == 0 ? nil : &buf[0], uint(i))
}
update(&ctx, buf[:i])
}
}
botan.hash_final(ctx, &hash[0])
botan.hash_destroy(ctx)
return hash, true
final(&ctx, hash[:])
return hash, true
}
// hash_file_224 will read the file provided by the given handle
@@ -114,11 +111,10 @@ hash_string_256 :: proc(data: string) -> [DIGEST_SIZE_256]byte {
// computed hash
hash_bytes_256 :: proc(data: []byte) -> [DIGEST_SIZE_256]byte {
hash: [DIGEST_SIZE_256]byte
ctx: botan.hash_t
botan.hash_init(&ctx, botan.HASH_SHA_256, 0)
botan.hash_update(ctx, len(data) == 0 ? nil : &data[0], uint(len(data)))
botan.hash_final(ctx, &hash[0])
botan.hash_destroy(ctx)
ctx: Context
init(&ctx, hash_size = 256)
update(&ctx, data)
final(&ctx, hash[:])
return hash
}
@@ -134,31 +130,29 @@ hash_string_to_buffer_256 :: proc(data: string, hash: []byte) {
// 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: botan.hash_t
botan.hash_init(&ctx, botan.HASH_SHA_256, 0)
botan.hash_update(ctx, len(data) == 0 ? nil : &data[0], uint(len(data)))
botan.hash_final(ctx, &hash[0])
botan.hash_destroy(ctx)
ctx: Context
init(&ctx, hash_size = 256)
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: botan.hash_t
botan.hash_init(&ctx, botan.HASH_SHA_256, 0)
ctx: Context
init(&ctx, hash_size = 256)
buf := make([]byte, 512)
defer delete(buf)
i := 1
for i > 0 {
i, _ = io.read(s, buf)
if i > 0 {
botan.hash_update(ctx, len(buf) == 0 ? nil : &buf[0], uint(i))
}
update(&ctx, buf[:i])
}
}
botan.hash_final(ctx, &hash[0])
botan.hash_destroy(ctx)
return hash, true
final(&ctx, hash[:])
return hash, true
}
// hash_file_256 will read the file provided by the given handle
@@ -193,11 +187,10 @@ hash_string_384 :: proc(data: string) -> [DIGEST_SIZE_384]byte {
// computed hash
hash_bytes_384 :: proc(data: []byte) -> [DIGEST_SIZE_384]byte {
hash: [DIGEST_SIZE_384]byte
ctx: botan.hash_t
botan.hash_init(&ctx, botan.HASH_SHA_384, 0)
botan.hash_update(ctx, len(data) == 0 ? nil : &data[0], uint(len(data)))
botan.hash_final(ctx, &hash[0])
botan.hash_destroy(ctx)
ctx: Context
init(&ctx, hash_size = 384)
update(&ctx, data)
final(&ctx, hash[:])
return hash
}
@@ -213,31 +206,29 @@ hash_string_to_buffer_384 :: proc(data: string, hash: []byte) {
// 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: botan.hash_t
botan.hash_init(&ctx, botan.HASH_SHA_384, 0)
botan.hash_update(ctx, len(data) == 0 ? nil : &data[0], uint(len(data)))
botan.hash_final(ctx, &hash[0])
botan.hash_destroy(ctx)
ctx: Context
init(&ctx, hash_size = 384)
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) -> ([DIGEST_SIZE_384]byte, bool) {
hash: [DIGEST_SIZE_384]byte
ctx: botan.hash_t
botan.hash_init(&ctx, botan.HASH_SHA_384, 0)
ctx: Context
init(&ctx, hash_size = 384)
buf := make([]byte, 512)
defer delete(buf)
i := 1
for i > 0 {
i, _ = io.read(s, buf)
if i > 0 {
botan.hash_update(ctx, len(buf) == 0 ? nil : &buf[0], uint(i))
}
update(&ctx, buf[:i])
}
}
botan.hash_final(ctx, &hash[0])
botan.hash_destroy(ctx)
return hash, true
final(&ctx, hash[:])
return hash, true
}
// hash_file_384 will read the file provided by the given handle
@@ -272,11 +263,10 @@ hash_string_512 :: proc(data: string) -> [DIGEST_SIZE_512]byte {
// computed hash
hash_bytes_512 :: proc(data: []byte) -> [DIGEST_SIZE_512]byte {
hash: [DIGEST_SIZE_512]byte
ctx: botan.hash_t
botan.hash_init(&ctx, botan.HASH_SHA_512, 0)
botan.hash_update(ctx, len(data) == 0 ? nil : &data[0], uint(len(data)))
botan.hash_final(ctx, &hash[0])
botan.hash_destroy(ctx)
ctx: Context
init(&ctx, hash_size = 512)
update(&ctx, data)
final(&ctx, hash[:])
return hash
}
@@ -292,31 +282,29 @@ hash_string_to_buffer_512 :: proc(data: string, hash: []byte) {
// 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: botan.hash_t
botan.hash_init(&ctx, botan.HASH_SHA_512, 0)
botan.hash_update(ctx, len(data) == 0 ? nil : &data[0], uint(len(data)))
botan.hash_final(ctx, &hash[0])
botan.hash_destroy(ctx)
ctx: Context
init(&ctx, hash_size = 512)
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) -> ([DIGEST_SIZE_512]byte, bool) {
hash: [DIGEST_SIZE_512]byte
ctx: botan.hash_t
botan.hash_init(&ctx, botan.HASH_SHA_512, 0)
ctx: Context
init(&ctx, hash_size = 512)
buf := make([]byte, 512)
defer delete(buf)
i := 1
for i > 0 {
i, _ = io.read(s, buf)
if i > 0 {
botan.hash_update(ctx, len(buf) == 0 ? nil : &buf[0], uint(i))
}
update(&ctx, buf[:i])
}
}
botan.hash_final(ctx, &hash[0])
botan.hash_destroy(ctx)
return hash, true
final(&ctx, hash[:])
return hash, true
}
// hash_file_512 will read the file provided by the given handle
@@ -345,9 +333,9 @@ hash_512 :: proc {
Low level API
*/
Sha2_Context :: botan.hash_t
Context :: botan.hash_t
init :: proc "contextless" (ctx: ^botan.hash_t, hash_size := 512) {
init :: proc "contextless" (ctx: ^Context, hash_size := 512) {
switch hash_size {
case 224: botan.hash_init(ctx, botan.HASH_SHA_224, 0)
case 256: botan.hash_init(ctx, botan.HASH_SHA_256, 0)
@@ -356,11 +344,11 @@ init :: proc "contextless" (ctx: ^botan.hash_t, hash_size := 512) {
}
}
update :: proc "contextless" (ctx: ^botan.hash_t, data: []byte) {
update :: proc "contextless" (ctx: ^Context, data: []byte) {
botan.hash_update(ctx^, len(data) == 0 ? nil : &data[0], uint(len(data)))
}
final :: proc "contextless" (ctx: ^botan.hash_t, hash: []byte) {
final :: proc "contextless" (ctx: ^Context, hash: []byte) {
botan.hash_final(ctx^, &hash[0])
botan.hash_destroy(ctx^)
}