125 lines
4.2 KiB
OCaml
125 lines
4.2 KiB
OCaml
(* Test vectors taken from GNUnet:
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https://git.gnunet.org/gnunet/gnunet/file/src/cli/util/crypto-test-vectors.json.html *)
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let encode = B32.encode
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let decode s = B32.decode s |> Result.get_ok
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let () =
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(* hash *)
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let input = "91JPRV3F5GG4EKJNDSJQ8" in
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let expected =
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"D0R24RZ1TPASVQ2NY56CT8AJDYZE9ZGDB0GVZ05E9D4YGZQW2RC5YFPQ0Q86EPW836DY7VYQTNFFJT3ZR2K508F4JVS5JNJKYN2MMFR"
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in
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let output =
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input |> decode |> Hash.H64.hash |> Hash.H64.to_octets |> encode
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in
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assert (output = expected);
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()
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let () =
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(* eddsa_key_derivation *)
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let pub = "3M9KK1WSNM1RTY5P72HKFA264V4B7MVHVJ08Y90CV06DYHV8XPP0" in
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let priv = "8QC2VNF8443S5KPNKMB4XMV58BTHWAKZ7SVW5WG3KRB37567XS90" in
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let pub' =
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let open Crypto in
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priv
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|> decode
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|> EddsaPrivateKey.of_octets
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|> Result.get_ok
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|> EddsaPrivateKey.pub_of_priv
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|> EddsaPublicKey.to_octets
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|> encode
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in
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assert (pub = pub');
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()
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let () =
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(* eddsa_signing *)
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let priv = "5077XJR9AMH4T97ACKFBVBJD0KFENHPV66B2Y1JBSKXBJKNZJ4E0" in
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let pub = "6E2F03JJ8AEDANTTZZ4SBZDFEEZSF8A9DVGTS6VFBCVZQYQ46RRG" in
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let data = "00000300000000000000" in
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let sig_ =
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"XCNJGJ96WPDH60YVMH6C74NGQSGJE3BC1TYMGX6BHY5DMZZZKTB373QTXJ507K5EBSG9YS2EYKHCX3ATRQ6P5MY9MXC4ZB1XSZ2X23G"
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in
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let open Crypto in
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let msg = decode data in
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let eddsa_priv =
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priv |> decode |> EddsaPrivateKey.of_octets |> Result.get_ok
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in
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let sig_' =
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EddsaSignature.sign ~key:eddsa_priv msg
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|> EddsaSignature.to_octets
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|> encode
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in
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assert (sig_ = sig_');
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let eddsa_pub = pub |> decode |> EddsaPublicKey.of_octets |> Result.get_ok in
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let eddsa_sig = sig_ |> decode |> EddsaSignature.of_octets |> Result.get_ok in
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let () =
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EddsaSignature.verify ~key:eddsa_pub eddsa_sig ~msg |> Result.get_ok
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in
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()
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let () =
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(* kdf *)
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let salt = "94KPT83PCNS7J83KC5P78Y8" in
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let ikm = "94KPT83MD1JJ0WV5CDS6AX10D5Q70XBM41NPAY90DNGQ8SBJD5GPR" in
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let ctx =
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"94KPT83141HPYVKMCNW78833D1TPWTSC41GPRWVF41NPWVVQDRG62WS04XMPWSKF4WG6JVH0EHM6A82J8S1G"
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in
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let out_len = 64 in
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let out =
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"GTMR4QT05Z9WF5HKVG0WK9RPXGHSMHJNW377G9GJXCA8B0FEKPF4D27RJMSJZYWSQNTBJ5EYVV7ZW18B48Z0JVJJ80RHB706Y96Q358"
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in
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let xts = salt |> decode in
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let ikm = ikm |> decode in
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let ctx = ctx |> decode in
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let okm = Fdh_rsa.Kdf.kdf ~xts ~ikm ~ctx ~len:out_len in
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let okm = okm |> encode in
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assert (okm = out);
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()
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let () =
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(* rsa_blind_signing *)
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(* rsa_private_key data is given in gcrypt sexpr format.. *)
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let message_hash =
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"XKQMJ4CNTXBFE1V2WR6JS063J7PZQE4XMB5JH3RS5X0THQ1JQSQ69Y7KDBC9TYRJEZH48MEPY2SF4QHQ4VHXC0YQX5935MQEGP0AX6R"
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in
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let rsa_public_key =
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"040000YRN1NVJ68RS6RJF52PGRCQG19ZKWQPSTJX2G7ZDCKSZFE2VW3HHA81YF5C639JHJF5TX8YTEE2FW2WQCG1PTKNBSPPJEJGA032CN3E8QZ27VWY0K6JFT8ZSYWRH2SKDMXW56A4QKY46JJBWJ6T0ZRVBW6S1HTHXVE2RW8MXRW5T801077MDY13N5F8Z1JZVKBJ06TK3S0YPEDBXK0VEHRHEQJ5X5XYKR4KQTFAZNBMKXY8836VCHBXTK4YNX6AJ1CK29SMJH3Z3QRM16A2TNQGFR0HSMV446BF7FMT2E379ZAT5ST4G3BM2NWZYW545S2SW5MG5S6M88XZZ7SKFD48YVXNZ205GGSEYJPVBMR76WG4ZG30WBCPC1N54XE12RMAG81D8C09WG22PKGGDHYXX68N04002"
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in
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let blinding_key_secret =
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"3SWF49XZPHQMENTSBZQR7Z0B8ZSZ2JRARE79Q4VXZMQ7W6QABXMG"
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in
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let blinded_message =
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"3KHKZJZ30ABB4E56MA2V0EQWGCWH0QQG9P2ZHYHR186C5HZXJMM4N9WXAQTKS94QSV9Y17GGNXN5MB1PZZFG7Q0FY88QPKKRG4MYCPSMTZK5W59R0MJVNJ4P4AQM96TDG5W7RV8GSNR1QQZ1GNHW3CX6D6ZRTMXB2NKB5SSYTDJS79F5ZFBRZ4HVED9JBBPWSR79KVV5QQ4APBGHBCKGMF9NJJS53A1BVYHDEVYAGFYF2SNEP827ZP50FKJ5GKGV8NQ15ESEZ69AT7GJG0T3TZVENY2YN9CVR98W3BKEZ53J7VTANARG8SJS8AMJQ7S23P5HRJ7XE9KTNRNXKH49MXV9JHHYE5535N7AGWEKR47SBCGNF44Z7XJ9RV5BQV12ZRJKN4HBZQHDNCMH3QKX9Z6G64"
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in
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let open Crypto in
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let pub =
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rsa_public_key |> decode |> RsaPublicKey.of_octets |> Result.get_ok
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in
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let bks = blinding_key_secret |> decode in
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let msg = decode message_hash in
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let bmsg = Fdh_rsa.blind_msg pub ~bks msg in
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assert (encode bmsg = blinded_message);
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()
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let () = Mirage_crypto_rng_unix.use_default ()
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let () =
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let open Crypto in
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let priv, pub = RsaPrivateKey.generate ~bits:2048 () in
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let bks = "deadbeaf" in
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let msg = "uhuh." in
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let bmsg = Fdh_rsa.blind_msg pub ~bks msg in
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let bsig = Fdh_rsa.sign ~key:priv bmsg in
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let sig_ = Fdh_rsa.unblind_sig pub ~bks bsig in
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let res = Fdh_rsa.verify ~key:pub sig_ ~msg in
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assert (Result.is_ok res);
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()
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