annotate libtomcrypt/src/headers/tomcrypt_argchk.h @ 1672:3a97f14c0235

Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93) * Add Chacha20-Poly1305 authenticated encryption * Add general AEAD approach. * Add [email protected] algo using LibTomCrypt chacha and poly1305 routines. Chacha20-Poly1305 is generally faster than AES256 on CPU w/o dedicated AES instructions, having the same key size. Compiling in will add ~5,5kB to binary size on x86-64. function old new delta chacha_crypt - 1397 +1397 _poly1305_block - 608 +608 poly1305_done - 595 +595 dropbear_chachapoly_crypt - 457 +457 .rodata 26976 27392 +416 poly1305_process - 290 +290 poly1305_init - 221 +221 chacha_setup - 218 +218 encrypt_packet 1068 1270 +202 dropbear_chachapoly_getlength - 147 +147 decrypt_packet 756 897 +141 chacha_ivctr64 - 137 +137 read_packet 543 637 +94 dropbear_chachapoly_start - 94 +94 read_kex_algos 792 880 +88 chacha_keystream - 69 +69 dropbear_mode_chachapoly - 48 +48 sshciphers 280 320 +40 dropbear_mode_none 24 48 +24 dropbear_mode_ctr 24 48 +24 dropbear_mode_cbc 24 48 +24 dropbear_chachapoly_mac - 24 +24 dropbear_chachapoly - 24 +24 gen_new_keys 848 854 +6 ------------------------------------------------------------------------------ (add/remove: 14/0 grow/shrink: 10/0 up/down: 5388/0) Total: 5388 bytes * Add AES128-GCM and AES256-GCM authenticated encryption * Add general AES-GCM mode. * Add [email protected] and [email protected] algo using LibTomCrypt gcm routines. AES-GCM is combination of AES CTR mode and GHASH, slower than AES-CTR on CPU w/o dedicated AES/GHASH instructions therefore disabled by default. Compiling in will add ~6kB to binary size on x86-64. function old new delta gcm_process - 1060 +1060 .rodata 26976 27808 +832 gcm_gf_mult - 820 +820 gcm_add_aad - 660 +660 gcm_shift_table - 512 +512 gcm_done - 471 +471 gcm_add_iv - 384 +384 gcm_init - 347 +347 dropbear_gcm_crypt - 309 +309 encrypt_packet 1068 1270 +202 decrypt_packet 756 897 +141 gcm_reset - 118 +118 read_packet 543 637 +94 read_kex_algos 792 880 +88 sshciphers 280 360 +80 gcm_mult_h - 80 +80 dropbear_gcm_start - 62 +62 dropbear_mode_gcm - 48 +48 dropbear_mode_none 24 48 +24 dropbear_mode_ctr 24 48 +24 dropbear_mode_cbc 24 48 +24 dropbear_ghash - 24 +24 dropbear_gcm_getlength - 24 +24 gen_new_keys 848 854 +6 ------------------------------------------------------------------------------ (add/remove: 14/0 grow/shrink: 10/0 up/down: 6434/0) Total: 6434 bytes
author Vladislav Grishenko <themiron@users.noreply.github.com>
date Mon, 25 May 2020 20:50:25 +0500
parents 6dba84798cd5
children 1ff2a1034c52
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
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2 *
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3 * LibTomCrypt is a library that provides various cryptographic
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4 * algorithms in a highly modular and flexible manner.
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5 *
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6 * The library is free for all purposes without any express
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7 * guarantee it works.
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8 */
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10 /* Defines the LTC_ARGCHK macro used within the library */
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11 /* ARGTYPE is defined in tomcrypt_cfg.h */
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12 #if ARGTYPE == 0
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14 #include <signal.h>
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15
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16 /* portability macros for compiler-specific code attributes */
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17 #ifdef __GNUC__
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18 #define ATTRIB_NORETURN __attribute__((noreturn))
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19 #else
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20 #define ATTRIB_NORETURN
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21 #endif
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22
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23
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24 /* this is the default LibTomCrypt macro */
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25 #if defined(__clang__) || defined(__GNUC_MINOR__)
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26 #define NORETURN __attribute__ ((noreturn))
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27 #else
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28 #define NORETURN
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29 #endif
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30
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31 void crypt_argchk(const char *v, const char *s, int d) NORETURN;
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32 #define LTC_ARGCHK(x) do { if (!(x)) { crypt_argchk(#x, __FILE__, __LINE__); } }while(0)
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33 #define LTC_ARGCHKVD(x) do { if (!(x)) { crypt_argchk(#x, __FILE__, __LINE__); } }while(0)
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35 #elif ARGTYPE == 1
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37 /* fatal type of error */
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38 #define LTC_ARGCHK(x) assert((x))
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39 #define LTC_ARGCHKVD(x) LTC_ARGCHK(x)
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41 #elif ARGTYPE == 2
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43 #define LTC_ARGCHK(x) if (!(x)) { fprintf(stderr, "\nwarning: ARGCHK failed at %s:%d\n", __FILE__, __LINE__); }
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44 #define LTC_ARGCHKVD(x) LTC_ARGCHK(x)
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46 #elif ARGTYPE == 3
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48 #define LTC_ARGCHK(x)
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49 #define LTC_ARGCHKVD(x) LTC_ARGCHK(x)
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51 #elif ARGTYPE == 4
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53 #define LTC_ARGCHK(x) if (!(x)) return CRYPT_INVALID_ARG;
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54 #define LTC_ARGCHKVD(x) if (!(x)) return;
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56 #endif
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58
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59 /* ref: $Format:%D$ */
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60 /* git commit: $Format:%H$ */
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61 /* commit time: $Format:%ai$ */