From e6926725f7be94ec4430054b2880f8db33d19541 Mon Sep 17 00:00:00 2001 From: Erica Z Date: Tue, 15 Oct 2024 23:57:00 +0200 Subject: [PATCH] bye bye sqlite --- src/meson.build | 3 +- src/ui/setup.vala | 5 +- src/vapi/libgcrypt.vapi | 829 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 832 insertions(+), 5 deletions(-) create mode 100644 src/vapi/libgcrypt.vapi diff --git a/src/meson.build b/src/meson.build index c12a194..8b16bf5 100644 --- a/src/meson.build +++ b/src/meson.build @@ -17,9 +17,9 @@ audrey_deps = [ dependency('gtk4', version: '>= 4.16'), dependency('json-glib-1.0', version: '>= 1.10'), dependency('libadwaita-1', version: '>= 1.6'), + dependency('libgcrypt', version: '>= 1.11'), dependency('libsecret-1', version: '>= 0.21'), dependency('libsoup-3.0', version: '>= 3.6'), - dependency('sqlite3'), ] blueprints = custom_target( @@ -48,4 +48,5 @@ executable( dependencies: audrey_deps, include_directories: config_inc, install: true, + vala_args: ['--vapidir', meson.current_source_dir() / 'vapi'], ) diff --git a/src/ui/setup.vala b/src/ui/setup.vala index 7fc9a93..fa49a0f 100644 --- a/src/ui/setup.vala +++ b/src/ui/setup.vala @@ -1,6 +1,3 @@ -[CCode (cname = "sqlite3_randomness")] -public extern void randomness (int N, void *P); - [GtkTemplate (ui = "/eu/callcc/audrey/ui/setup.ui")] public class Ui.Setup : Adw.PreferencesDialog { public string status { get; private set; default = _("Not connected"); } @@ -104,7 +101,7 @@ public class Ui.Setup : Adw.PreferencesDialog { private void salt_password (string password, out string token, out string salt) { uchar salt_bytes[8]; - randomness (8, salt_bytes); + GCrypt.Random.randomize (salt_bytes); uchar salt_chars[17]; for (int i = 0; i < 8; i += 1) { salt_chars[2*i+0] = "0123456789abcdef"[(salt_bytes[i]>>4)&0xf]; diff --git a/src/vapi/libgcrypt.vapi b/src/vapi/libgcrypt.vapi new file mode 100644 index 0000000..a5fe7e7 --- /dev/null +++ b/src/vapi/libgcrypt.vapi @@ -0,0 +1,829 @@ +/* gcrypt.vapi + * + * Copyright: + * 2008 Jiqing Qiang + * 2008, 2010, 2012-2013 Evan Nemerson + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Author: + * Jiqing Qiang + * Evan Nemerson + */ + + +[CCode (cheader_filename = "gcrypt.h", lower_case_cprefix = "gcry_")] +namespace GCrypt { + [CCode (cname = "gpg_err_source_t", cprefix = "GPG_ERR_SOURCE_")] + public enum ErrorSource { + UNKNOWN, + GCRYPT, + GPG, + GPGSM, + GPGAGENT, + PINENTRY, + SCD, + GPGME, + KEYBOX, + KSBA, + DIRMNGR, + GSTI, + ANY, + USER_1, + USER_2, + USER_3, + USER_4, + + /* This is one more than the largest allowed entry. */ + DIM + } + + [CCode (cname = "gpg_err_code_t", cprefix = "GPG_ERR_")] + public enum ErrorCode { + NO_ERROR, + GENERAL, + UNKNOWN_PACKET, + UNKNOWN_VERSION, + PUBKEY_ALGO, + DIGEST_ALGO, + BAD_PUBKEY, + BAD_SECKEY, + BAD_SIGNATURE, + NO_PUBKEY, + CHECKSUM, + BAD_PASSPHRASE, + CIPHER_ALGO, + KEYRING_OPEN, + INV_PACKET, + INV_ARMOR, + NO_USER_ID, + NO_SECKEY, + WRONG_SECKEY, + BAD_KEY, + COMPR_ALGO, + NO_PRIME, + NO_ENCODING_METHOD, + NO_ENCRYPTION_SCHEME, + NO_SIGNATURE_SCHEME, + INV_ATTR, + NO_VALUE, + NOT_FOUND, + VALUE_NOT_FOUND, + SYNTAX, + BAD_MPI, + INV_PASSPHRASE, + SIG_CLASS, + RESOURCE_LIMIT, + INV_KEYRING, + TRUSTDB, + BAD_CERT, + INV_USER_ID, + UNEXPECTED, + TIME_CONFLICT, + KEYSERVER, + WRONG_PUBKEY_ALGO, + TRIBUTE_TO_D_A, + WEAK_KEY, + INV_KEYLEN, + INV_ARG, + BAD_URI, + INV_URI, + NETWORK, + UNKNOWN_HOST, + SELFTEST_FAILED, + NOT_ENCRYPTED, + NOT_PROCESSED, + UNUSABLE_PUBKEY, + UNUSABLE_SECKEY, + INV_VALUE, + BAD_CERT_CHAIN, + MISSING_CERT, + NO_DATA, + BUG, + NOT_SUPPORTED, + INV_OP, + TIMEOUT, + INTERNAL, + EOF_GCRYPT, + INV_OBJ, + TOO_SHORT, + TOO_LARGE, + NO_OBJ, + NOT_IMPLEMENTED, + CONFLICT, + INV_CIPHER_MODE, + INV_FLAG, + INV_HANDLE, + TRUNCATED, + INCOMPLETE_LINE, + INV_RESPONSE, + NO_AGENT, + AGENT, + INV_DATA, + ASSUAN_SERVER_FAULT, + ASSUAN, + INV_SESSION_KEY, + INV_SEXP, + UNSUPPORTED_ALGORITHM, + NO_PIN_ENTRY, + PIN_ENTRY, + BAD_PIN, + INV_NAME, + BAD_DATA, + INV_PARAMETER, + WRONG_CARD, + NO_DIRMNGR, + DIRMNGR, + CERT_REVOKED, + NO_CRL_KNOWN, + CRL_TOO_OLD, + LINE_TOO_LONG, + NOT_TRUSTED, + CANCELED, + BAD_CA_CERT, + CERT_EXPIRED, + CERT_TOO_YOUNG, + UNSUPPORTED_CERT, + UNKNOWN_SEXP, + UNSUPPORTED_PROTECTION, + CORRUPTED_PROTECTION, + AMBIGUOUS_NAME, + CARD, + CARD_RESET, + CARD_REMOVED, + INV_CARD, + CARD_NOT_PRESENT, + NO_PKCS15_APP, + NOT_CONFIRMED, + CONFIGURATION, + NO_POLICY_MATCH, + INV_INDEX, + INV_ID, + NO_SCDAEMON, + SCDAEMON, + UNSUPPORTED_PROTOCOL, + BAD_PIN_METHOD, + CARD_NOT_INITIALIZED, + UNSUPPORTED_OPERATION, + WRONG_KEY_USAGE, + NOTHING_FOUND, + WRONG_BLOB_TYPE, + MISSING_VALUE, + HARDWARE, + PIN_BLOCKED, + USE_CONDITIONS, + PIN_NOT_SYNCED, + INV_CRL, + BAD_BER, + INV_BER, + ELEMENT_NOT_FOUND, + IDENTIFIER_NOT_FOUND, + INV_TAG, + INV_LENGTH, + INV_KEYINFO, + UNEXPECTED_TAG, + NOT_DER_ENCODED, + NO_CMS_OBJ, + INV_CMS_OBJ, + UNKNOWN_CMS_OBJ, + UNSUPPORTED_CMS_OBJ, + UNSUPPORTED_ENCODING, + UNSUPPORTED_CMS_VERSION, + UNKNOWN_ALGORITHM, + INV_ENGINE, + PUBKEY_NOT_TRUSTED, + DECRYPT_FAILED, + KEY_EXPIRED, + SIG_EXPIRED, + ENCODING_PROBLEM, + INV_STATE, + DUP_VALUE, + MISSING_ACTION, + MODULE_NOT_FOUND, + INV_OID_STRING, + INV_TIME, + INV_CRL_OBJ, + UNSUPPORTED_CRL_VERSION, + INV_CERT_OBJ, + UNKNOWN_NAME, + LOCALE_PROBLEM, + NOT_LOCKED, + PROTOCOL_VIOLATION, + INV_MAC, + INV_REQUEST, + UNKNOWN_EXTN, + UNKNOWN_CRIT_EXTN, + LOCKED, + UNKNOWN_OPTION, + UNKNOWN_COMMAND, + BUFFER_TOO_SHORT, + SEXP_INV_LEN_SPEC, + SEXP_STRING_TOO_LONG, + SEXP_UNMATCHED_PAREN, + SEXP_NOT_CANONICAL, + SEXP_BAD_CHARACTER, + SEXP_BAD_QUOTATION, + SEXP_ZERO_PREFIX, + SEXP_NESTED_DH, + SEXP_UNMATCHED_DH, + SEXP_UNEXPECTED_PUNC, + SEXP_BAD_HEX_CHAR, + SEXP_ODD_HEX_NUMBERS, + SEXP_BAD_OCT_CHAR, + ASS_GENERAL, + ASS_ACCEPT_FAILED, + ASS_CONNECT_FAILED, + ASS_INV_RESPONSE, + ASS_INV_VALUE, + ASS_INCOMPLETE_LINE, + ASS_LINE_TOO_LONG, + ASS_NESTED_COMMANDS, + ASS_NO_DATA_CB, + ASS_NO_INQUIRE_CB, + ASS_NOT_A_SERVER, + ASS_NOT_A_CLIENT, + ASS_SERVER_START, + ASS_READ_ERROR, + ASS_WRITE_ERROR, + ASS_TOO_MUCH_DATA, + ASS_UNEXPECTED_CMD, + ASS_UNKNOWN_CMD, + ASS_SYNTAX, + ASS_CANCELED, + ASS_NO_INPUT, + ASS_NO_OUTPUT, + ASS_PARAMETER, + ASS_UNKNOWN_INQUIRE, + USER_1, + USER_2, + USER_3, + USER_4, + USER_5, + USER_6, + USER_7, + USER_8, + USER_9, + USER_10, + USER_11, + USER_12, + USER_13, + USER_14, + USER_15, + USER_16, + MISSING_ERRNO, + UNKNOWN_ERRNO, + EOF, + + E2BIG, + EACCES, + EADDRINUSE, + EADDRNOTAVAIL, + EADV, + EAFNOSUPPORT, + EAGAIN, + EALREADY, + EAUTH, + EBACKGROUND, + EBADE, + EBADF, + EBADFD, + EBADMSG, + EBADR, + EBADRPC, + EBADRQC, + EBADSLT, + EBFONT, + EBUSY, + ECANCELED, + ECHILD, + ECHRNG, + ECOMM, + ECONNABORTED, + ECONNREFUSED, + ECONNRESET, + ED, + EDEADLK, + EDEADLOCK, + EDESTADDRREQ, + EDIED, + EDOM, + EDOTDOT, + EDQUOT, + EEXIST, + EFAULT, + EFBIG, + EFTYPE, + EGRATUITOUS, + EGREGIOUS, + EHOSTDOWN, + EHOSTUNREACH, + EIDRM, + EIEIO, + EILSEQ, + EINPROGRESS, + EINTR, + EINVAL, + EIO, + EISCONN, + EISDIR, + EISNAM, + EL2HLT, + EL2NSYNC, + EL3HLT, + EL3RST, + ELIBACC, + ELIBBAD, + ELIBEXEC, + ELIBMAX, + ELIBSCN, + ELNRNG, + ELOOP, + EMEDIUMTYPE, + EMFILE, + EMLINK, + EMSGSIZE, + EMULTIHOP, + ENAMETOOLONG, + ENAVAIL, + ENEEDAUTH, + ENETDOWN, + ENETRESET, + ENETUNREACH, + ENFILE, + ENOANO, + ENOBUFS, + ENOCSI, + ENODATA, + ENODEV, + ENOENT, + ENOEXEC, + ENOLCK, + ENOLINK, + ENOMEDIUM, + ENOMEM, + ENOMSG, + ENONET, + ENOPKG, + ENOPROTOOPT, + ENOSPC, + ENOSR, + ENOSTR, + ENOSYS, + ENOTBLK, + ENOTCONN, + ENOTDIR, + ENOTEMPTY, + ENOTNAM, + ENOTSOCK, + ENOTSUP, + ENOTTY, + ENOTUNIQ, + ENXIO, + EOPNOTSUPP, + EOVERFLOW, + EPERM, + EPFNOSUPPORT, + EPIPE, + EPROCLIM, + EPROCUNAVAIL, + EPROGMISMATCH, + EPROGUNAVAIL, + EPROTO, + EPROTONOSUPPORT, + EPROTOTYPE, + ERANGE, + EREMCHG, + EREMOTE, + EREMOTEIO, + ERESTART, + EROFS, + ERPCMISMATCH, + ESHUTDOWN, + ESOCKTNOSUPPORT, + ESPIPE, + ESRCH, + ESRMNT, + ESTALE, + ESTRPIPE, + ETIME, + ETIMEDOUT, + ETOOMANYREFS, + ETXTBSY, + EUCLEAN, + EUNATCH, + EUSERS, + EWOULDBLOCK, + EXDEV, + EXFULL, + + /* This is one more than the largest allowed entry. */ + CODE_DIM + } + + [CCode (cname = "gcry_error_t", cprefix = "gpg_err_")] + public struct Error : uint { + [CCode (cname = "gcry_err_make")] + public Error (ErrorSource source, ErrorCode code); + [CCode (cname = "gcry_err_make_from_errno")] + public Error.from_errno (ErrorSource source, int err); + public ErrorCode code (); + public ErrorSource source (); + + [CCode (cname = "gcry_strerror")] + public unowned string to_string (); + + [CCode (cname = "gcry_strsource")] + public unowned string source_to_string (); + } + + [CCode (cname = "enum gcry_ctl_cmds", cprefix = "GCRYCTL_")] + public enum ControlCommand { + SET_KEY, + SET_IV, + CFB_SYNC, + RESET, + FINALIZE, + GET_KEYLEN, + GET_BLKLEN, + TEST_ALGO, + IS_SECURE, + GET_ASNOID, + ENABLE_ALGO, + DISABLE_ALGO, + DUMP_RANDOM_STATS, + DUMP_SECMEM_STATS, + GET_ALGO_NPKEY, + GET_ALGO_NSKEY, + GET_ALGO_NSIGN, + GET_ALGO_NENCR, + SET_VERBOSITY, + SET_DEBUG_FLAGS, + CLEAR_DEBUG_FLAGS, + USE_SECURE_RNDPOOL, + DUMP_MEMORY_STATS, + INIT_SECMEM, + TERM_SECMEM, + DISABLE_SECMEM_WARN, + SUSPEND_SECMEM_WARN, + RESUME_SECMEM_WARN, + DROP_PRIVS, + ENABLE_M_GUARD, + START_DUMP, + STOP_DUMP, + GET_ALGO_USAGE, + IS_ALGO_ENABLED, + DISABLE_INTERNAL_LOCKING, + DISABLE_SECMEM, + INITIALIZATION_FINISHED, + INITIALIZATION_FINISHED_P, + ANY_INITIALIZATION_P, + SET_CBC_CTS, + SET_CBC_MAC, + SET_CTR, + ENABLE_QUICK_RANDOM, + SET_RANDOM_SEED_FILE, + UPDATE_RANDOM_SEED_FILE, + SET_THREAD_CBS, + FAST_POLL + } + public Error control (ControlCommand cmd, ...); + + namespace Cipher { + [CCode (cname = "enum gcry_cipher_algos", cprefix = "GCRY_CIPHER_")] + public enum Algorithm { + NONE, + IDEA, + 3DES, + CAST5, + BLOWFISH, + SAFER_SK128, + DES_SK, + AES, + AES128, + RIJNDAEL, + RIJNDAEL128, + AES192, + RIJNDAEL192, + AES256, + RIJNDAEL256, + TWOFISH, + TWOFISH128, + ARCFOUR, + DES, + SERPENT128, + SERPENT192, + SERPENT256, + RFC2268_40, + RFC2268_128, + SEED, + CAMELLIA128, + CAMELLIA192, + CAMELLIA256, + SALSA20, + SALSA20R12, + GOST28147, + CHACHA20; + + [CCode (cname = "gcry_cipher_algo_info")] + public Error info (ControlCommand what, [CCode (array_length_type = "size_t")] ref uchar[] buffer); + [CCode (cname = "gcry_cipher_algo_name")] + public unowned string to_string (); + [CCode (cname = "gcry_cipher_map_name")] + public static Algorithm from_string (string name); + [CCode (cname = "gcry_cipher_map_oid")] + public static Algorithm from_oid (string oid); + } + + [CCode (cname = "enum gcry_cipher_modes", cprefix = "GCRY_CIPHER_MODE_")] + public enum Mode { + NONE, /* No mode specified */ + ECB, /* Electronic Codebook */ + CFB, /* Cipher Feedback */ + CFB8, /* Cipher Feedback */ + CBC, /* Cipher Block Chaining */ + STREAM, /* Used with stream ciphers */ + OFB, /* Output Feedback */ + CTR, /* Counter */ + AESWRAP, + CCM, /* Counter with CBC-MAC */ + GCM, /* Galois/Counter Mode */ + POLY1305, + OCB + } + + [CCode (cname = "enum gcry_cipher_flags", cprefix = "GCRY_CIPHER_")] + public enum Flag { + SECURE, /* Allocate in secure memory. */ + ENABLE_SYNC, /* Enable CFB sync mode. */ + CBC_CTS, /* Enable CBC cipher text stealing (CTS). */ + CBC_MAC /* Enable CBC message auth. code (MAC). */ + } + [Compact] + [CCode (cname = "struct gcry_cipher_handle", lower_case_cprefix = "gcry_cipher_", free_function = "gcry_cipher_close")] + public class Cipher { + public static Error open (out Cipher cipher, Algorithm algo, Mode mode, Flag flags); + public void close (); + [CCode (cname = "gcry_cipher_ctl")] + public Error control (ControlCommand cmd, [CCode (array_length_type = "size_t")] uchar[] buffer); + public Error info (ControlCommand what, [CCode (array_length_type = "size_t")] ref uchar[] buffer); + + public Error encrypt (uchar[] out_buffer, uchar[] in_buffer); + public Error decrypt (uchar[] out_buffer, uchar[] in_buffer); + + [CCode (cname = "gcry_cipher_setkey")] + public Error set_key (uchar[] key_data); + [CCode (cname = "gcry_cipher_setiv")] + public Error set_iv (uchar[] iv_data); + [CCode (cname = "gcry_cipher_setctr")] + public Error set_counter_vector (uchar[] counter_vector); + public Error reset (); + public Error sync (); + } + } + + [Compact, CCode (cname = "struct gcry_md_handle", cprefix = "gcry_md_", free_function = "gcry_md_close")] + public class Hash { + [CCode (cname = "enum gcry_md_algos", cprefix = "GCRY_MD_")] + public enum Algorithm { + NONE, + SHA1, + RMD160, + MD5, + MD4, + MD2, + TIGER, + TIGER1, + TIGER2, + HAVAL, + SHA224, + SHA256, + SHA384, + SHA512, + SHA3_224, + SHA3_256, + SHA3_384, + SHA3_512, + SHAKE128, + SHAKE256, + CRC32, + CRC32_RFC1510, + CRC24_RFC2440, + WHIRLPOOL, + GOSTR3411_94, + STRIBOG256, + STRIBOG512; + + [CCode (cname = "gcry_md_get_algo_dlen")] + public size_t get_digest_length (); + [CCode (cname = "gcry_md_algo_info")] + public Error info (ControlCommand what, [CCode (array_length_type = "size_t")] ref uchar[] buffer); + [CCode (cname = "gcry_md_algo_name")] + public unowned string to_string (); + [CCode (cname = "gcry_md_map_name")] + public static Algorithm from_string (string name); + [CCode (cname = "gcry_md_test_algo")] + public Error is_available (); + [CCode (cname = "gcry_md_get_asnoid")] + public Error get_oid ([CCode (array_length_type = "size_t")] ref uchar[] buffer); + } + + [CCode (cname = "enum gcry_md_flags", cprefix = "GCRY_MD_FLAG_")] + public enum Flag { + SECURE, + HMAC, + BUGEMU1 + } + + public static Error open (out Hash hash, Algorithm algo, Flag flag); + public void close (); + public Error enable (Algorithm algo); + [CCode (instance_pos = -1)] + public Error copy (out Hash dst); + public void reset (); + [CCode (cname = "gcry_md_ctl")] + public Error control (ControlCommand cmd, [CCode (array_length_type = "size_t")] uchar[] buffer); + public void write (uchar[] buffer); + [CCode (array_length = false)] + public unowned uchar[] read (Algorithm algo); + public static void hash_buffer (Algorithm algo, [CCode (array_length = false)] uchar[] digest, uchar[] buffer); + public Algorithm get_algo (); + public bool is_enabled (Algorithm algo); + public bool is_secure (); + public Error info (ControlCommand what, [CCode (array_length_type = "size_t")] ref uchar[] buffer); + [CCode (cname = "gcry_md_setkey")] + public Error set_key (uchar[] key_data); + public void putc (char c); + public void final (); + public static Error list (ref Algorithm[] algos); + } + + namespace Random { + [CCode (cname = "gcry_random_level_t")] + public enum Level { + [CCode (cname = "GCRY_WEAK_RANDOM")] + WEAK, + [CCode (cname = "GCRY_STRONG_RANDOM")] + STRONG, + [CCode (cname = "GCRY_VERY_STRONG_RANDOM")] + VERY_STRONG + } + + [CCode (cname = "gcry_randomize")] + public static void randomize (uchar[] buffer, Level level = Level.VERY_STRONG); + [CCode (cname = "gcry_fast_random_poll")] + public static Error poll (); + [CCode (cname = "gcry_random_bytes", array_length = false)] + public static uchar[] random_bytes (size_t nbytes, Level level = Level.VERY_STRONG); + [CCode (cname = "gcry_random_bytes_secure", array_length = false)] + public static uchar[] random_bytes_secure (size_t nbytes, Level level = Level.VERY_STRONG); + [CCode (cname = "gcry_create_nonce")] + public static void nonce (uchar[] buffer); + } + + [Compact, CCode (cname = "struct gcry_mpi", cprefix = "gcry_mpi_", free_function = "gcry_mpi_release")] + public class MPI { + [CCode (cname = "enum gcry_mpi_format", cprefix = "GCRYMPI_FMT_")] + public enum Format { + NONE, + STD, + PGP, + SSH, + HEX, + USG + } + + [CCode (cname = "enum gcry_mpi_flag", cprefix = "GCRYMPI_FLAG_")] + public enum Flag { + SECURE, + OPAQUE + } + + public MPI (uint nbits); + [CCode (cname = "gcry_mpi_snew")] + public MPI.secure (uint nbits); + public MPI copy (); + public void set (MPI u); + public void set_ui (ulong u); + public void swap (MPI b); + public int cmp (MPI v); + public int cmp_ui (ulong v); + + public static Error scan (out MPI ret, MPI.Format format, [CCode (array_length = false)] uchar[] buffer, size_t buflen, out size_t nscanned); + [CCode (instance_pos = -1)] + public Error print (MPI.Format format, [CCode (array_length = false)] uchar[] buffer, size_t buflen, out size_t nwritter); + [CCode (instance_pos = -1)] + public Error aprint (MPI.Format format, [CCode (array_length_type = "size_t")] out uchar[] buffer); + + public void add (MPI u, MPI v); + public void add_ui (MPI u, ulong v); + public void addm (MPI u, MPI v, MPI m); + public void sub (MPI u, MPI v); + public void sub_ui (MPI u, ulong v); + public void subm (MPI u, MPI v, MPI m); + public void mul (MPI u, MPI v); + public void mul_ui (MPI u, ulong v); + public void mulm (MPI u, MPI v, MPI m); + public void mul_2exp (MPI u, ulong cnt); + public void div (MPI r, MPI dividend, MPI divisor, int round); + public void mod (MPI dividend, MPI divisor); + public void powm (MPI b, MPI e, MPI m); + public int gcd (MPI a, MPI b); + public int invm (MPI a, MPI m); + + public uint get_nbits (); + public int test_bit (uint n); + public void set_bit (uint n); + public void clear_bit (uint n); + public void set_highbit (uint n); + public void clear_highbit (uint n); + public void rshift (MPI a, uint n); + public void lshift (MPI a, uint n); + + public void set_flag (MPI.Flag flag); + public void clear_flag (MPI.Flag flag); + public int get_flag (MPI.Flag flag); + } + + [Compact, CCode (cname = "struct gcry_sexp", free_function = "gcry_sexp_release")] + public class SExp { + [CCode (cname = "int", cprefix = "GCRYSEXP_FMT_")] + public enum Format { + DEFAULT, + CANON, + BASE64, + ADVANCED + } + + public static Error @new (out SExp retsexp, void * buffer, size_t length, int autodetect); + public static Error create (out SExp retsexp, void * buffer, size_t length, int autodetect, GLib.DestroyNotify free_function); + public static Error sscan (out SExp retsexp, out size_t erroff, char[] buffer); + public static Error build (out SExp retsexp, out size_t erroff, string format, ...); + public size_t sprint (Format mode, char[] buffer); + public static size_t canon_len (uchar[] buffer, out size_t erroff, out int errcode); + public SExp find_token (string token, size_t token_length = 0); + public int length (); + public SExp? nth (int number); + public SExp? car (); + public SExp? cdr (); + [CCode (array_length_type = "size_t")] + public unowned char[] nth_data (int number); + public gcry_string nth_string (int number); + public MPI nth_mpi (int number, MPI.Format mpifmt); + } + + [CCode (cname = "char", free_function = "gcry_free")] + public class gcry_string : string { } + + [CCode (lower_case_cprefix = "gcry_pk_")] + namespace PublicKey { + [CCode (cname = "enum gcry_pk_algos")] + public enum Algorithm { + RSA, + ELG_E, + DSA, + ELG, + ECDSA; + + [CCode (cname = "gcry_pk_algo_name")] + public unowned string to_string (); + [CCode (cname = "gcry_pk_map_name")] + public static Algorithm map_name (string name); + } + + public static Error encrypt (out SExp ciphertext, SExp data, SExp pkey); + public static Error decrypt (out SExp plaintext, SExp data, SExp skey); + public static Error sign (out SExp signature, SExp data, SExp skey); + public static Error verify (SExp signature, SExp data, SExp pkey); + public static Error testkey (SExp key); + public static Error genkey (out SExp r_key, SExp s_params); + public static uint get_nbits (SExp key); + } + + [CCode (lower_case_cprefix = "gcry_kdf_")] + namespace KeyDerivation { + [CCode (cname = "enum gcry_kdf_algos", cprefix = "GCRY_KDF_", has_type_id = false)] + public enum Algorithm { + NONE, + SIMPLE_S2K, + SALTED_S2K, + ITERSALTED_S2K, + PBKDF1, + PBKDF2, + SCRYPT + } + + public GCrypt.Error derive ([CCode (type = "const void*", array_length_type = "size_t")] uint8[] passphrasse, GCrypt.KeyDerivation.Algorithm algo, GCrypt.Hash.Algorithm subalgo, [CCode (type = "const void*", array_length_type = "size_t")] uint8[] salt, ulong iterations, [CCode (type = "void*", array_length_type = "size_t", array_length_pos = 5.5)] uint8[] keybuffer); + } +}