dimgigov
fe31ddbc4b
- C runtime (OpenSSL): bux_sha256, bux_hmac_sha256, bux_random_bytes, bux_base64_encode, bux_base64_decode, bux_bytes_to_hex - library/std/Crypto.bux: Crypto_Sha256, Crypto_HmacSha256, Crypto_HmacSha256Raw, Crypto_RandomBytes, Crypto_Base64Encode, Crypto_Base64Decode - examples/jwt.bux: full JWT creation with HS256 signature - Link with -lcrypto in C backend
65 lines
2.2 KiB
Plaintext
65 lines
2.2 KiB
Plaintext
module Std::Crypto {
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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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