dimgigov
ac969b37c1
- src/ ← compiler/selfhost/ (canonical Bux compiler) - bootstrap/ ← compiler/bootstrap/ (Nim bootstrap) - lib/ ← library/std/ (standard library) - rt/ ← library/runtime/ (C runtime) - tests/ ← compiler/tests/ (unit tests) - Remove _selfhost/ (built into build/selfhost/ now) - Update all path references (Makefile, cli.nim, cli.bux, docs) - Bump version to 0.3.0
67 lines
2.2 KiB
Plaintext
67 lines
2.2 KiB
Plaintext
module Std::Crypto {
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import Std::Mem::{Alloc, Free};
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import Std::String::{String_Len};
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extern func bux_sha256(data: String, len: int, out: *void);
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extern func bux_hmac_sha256(key: String, keylen: int, msg: String, msglen: int, out: *void);
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extern func bux_random_bytes(buf: *void, len: int) -> int;
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extern func bux_base64_encode(data: String, len: int) -> String;
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extern func bux_base64_decode(data: String, len: int, outlen: *int) -> String;
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extern func bux_bytes_to_hex(data: *void, len: int) -> String;
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/* SHA-256: returns lowercase hex string of the hash */
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func Crypto_Sha256(data: String) -> String {
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let len: int = String_Len(data) as int;
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let hashBuf: *void = Alloc(32);
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bux_sha256(data, len, hashBuf);
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let result: String = bux_bytes_to_hex(hashBuf as *void, 32);
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Free(hashBuf);
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return result;
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}
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/* HMAC-SHA256: returns lowercase hex string */
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func Crypto_HmacSha256(key: String, message: String) -> String {
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let keylen: int = String_Len(key) as int;
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let msglen: int = String_Len(message) as int;
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let hmacBuf: *void = Alloc(32);
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bux_hmac_sha256(key, keylen, message, msglen, hmacBuf);
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let result: String = bux_bytes_to_hex(hmacBuf as *void, 32);
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Free(hmacBuf);
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return result;
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}
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/* Random bytes: returns a string of n random bytes */
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func Crypto_RandomBytes(n: int) -> String {
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if n <= 0 { return ""; }
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let buf: *void = Alloc(n as uint);
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if bux_random_bytes(buf, n) != 1 {
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Free(buf);
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return "";
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}
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let result: String = bux_base64_encode(buf as String, n);
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Free(buf);
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return result;
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}
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/* Base64 encode */
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func Crypto_Base64Encode(s: String) -> String {
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return bux_base64_encode(s, String_Len(s) as int);
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}
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/* HMAC-SHA256 raw: returns base64 of raw binary hmac */
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func Crypto_HmacSha256Raw(key: String, message: String) -> String {
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let keylen: int = String_Len(key) as int;
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let msglen: int = String_Len(message) as int;
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let hmacBuf: *void = Alloc(32);
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bux_hmac_sha256(key, keylen, message, msglen, hmacBuf);
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let result: String = bux_base64_encode(hmacBuf as String, 32);
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Free(hmacBuf);
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return result;
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}
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/* Base64 decode */
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func Crypto_Base64Decode(s: String) -> String {
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let outlen: int = 0;
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return bux_base64_decode(s, String_Len(s) as int, &outlen);
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}
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}
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