Mercurial > dropbear
view libtomcrypt/src/misc/crypt/crypt_sizes.c @ 1552:e46f7f1da56a
CHANGES for 2018.76
author | Matt Johnston <matt@ucc.asn.au> |
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date | Tue, 27 Feb 2018 22:14:04 +0800 |
parents | 6dba84798cd5 |
children | e9dba7abd939 |
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis * * LibTomCrypt is a library that provides various cryptographic * algorithms in a highly modular and flexible manner. * * The library is free for all purposes without any express * guarantee it works. */ #include "tomcrypt.h" /** @file crypt_sizes.c Make various struct sizes available to dynamic languages like Python - Larry Bugbee, February 2013 LB - Dec 2013 - revised to include compiler define options */ typedef struct { const char *name; const unsigned int size; } crypt_size; #define _SZ_STRINGIFY_S(s) { #s, sizeof(struct s) } #define _SZ_STRINGIFY_T(s) { #s, sizeof(s) } static const crypt_size _crypt_sizes[] = { /* hash state sizes */ _SZ_STRINGIFY_S(ltc_hash_descriptor), _SZ_STRINGIFY_T(hash_state), #ifdef LTC_CHC_HASH _SZ_STRINGIFY_S(chc_state), #endif #ifdef LTC_WHIRLPOOL _SZ_STRINGIFY_S(whirlpool_state), #endif #ifdef LTC_SHA3 _SZ_STRINGIFY_S(sha3_state), #endif #ifdef LTC_SHA512 _SZ_STRINGIFY_S(sha512_state), #endif #ifdef LTC_SHA256 _SZ_STRINGIFY_S(sha256_state), #endif #ifdef LTC_SHA1 _SZ_STRINGIFY_S(sha1_state), #endif #ifdef LTC_MD5 _SZ_STRINGIFY_S(md5_state), #endif #ifdef LTC_MD4 _SZ_STRINGIFY_S(md4_state), #endif #ifdef LTC_MD2 _SZ_STRINGIFY_S(md2_state), #endif #ifdef LTC_TIGER _SZ_STRINGIFY_S(tiger_state), #endif #ifdef LTC_RIPEMD128 _SZ_STRINGIFY_S(rmd128_state), #endif #ifdef LTC_RIPEMD160 _SZ_STRINGIFY_S(rmd160_state), #endif #ifdef LTC_RIPEMD256 _SZ_STRINGIFY_S(rmd256_state), #endif #ifdef LTC_RIPEMD320 _SZ_STRINGIFY_S(rmd320_state), #endif #ifdef LTC_BLAKE2S _SZ_STRINGIFY_S(blake2s_state), #endif #ifdef LTC_BLAKE2B _SZ_STRINGIFY_S(blake2b_state), #endif /* block cipher key sizes */ _SZ_STRINGIFY_S(ltc_cipher_descriptor), _SZ_STRINGIFY_T(symmetric_key), #ifdef LTC_ANUBIS _SZ_STRINGIFY_S(anubis_key), #endif #ifdef LTC_CAMELLIA _SZ_STRINGIFY_S(camellia_key), #endif #ifdef LTC_BLOWFISH _SZ_STRINGIFY_S(blowfish_key), #endif #ifdef LTC_CAST5 _SZ_STRINGIFY_S(cast5_key), #endif #ifdef LTC_DES _SZ_STRINGIFY_S(des_key), _SZ_STRINGIFY_S(des3_key), #endif #ifdef LTC_KASUMI _SZ_STRINGIFY_S(kasumi_key), #endif #ifdef LTC_KHAZAD _SZ_STRINGIFY_S(khazad_key), #endif #ifdef LTC_KSEED _SZ_STRINGIFY_S(kseed_key), #endif #ifdef LTC_MULTI2 _SZ_STRINGIFY_S(multi2_key), #endif #ifdef LTC_NOEKEON _SZ_STRINGIFY_S(noekeon_key), #endif #ifdef LTC_RC2 _SZ_STRINGIFY_S(rc2_key), #endif #ifdef LTC_RC5 _SZ_STRINGIFY_S(rc5_key), #endif #ifdef LTC_RC6 _SZ_STRINGIFY_S(rc6_key), #endif #ifdef LTC_SKIPJACK _SZ_STRINGIFY_S(skipjack_key), #endif #ifdef LTC_XTEA _SZ_STRINGIFY_S(xtea_key), #endif #ifdef LTC_RIJNDAEL _SZ_STRINGIFY_S(rijndael_key), #endif #ifdef LTC_SAFER _SZ_STRINGIFY_S(safer_key), #endif #ifdef LTC_SAFERP _SZ_STRINGIFY_S(saferp_key), #endif #ifdef LTC_TWOFISH _SZ_STRINGIFY_S(twofish_key), #endif /* mode sizes */ #ifdef LTC_ECB_MODE _SZ_STRINGIFY_T(symmetric_ECB), #endif #ifdef LTC_CFB_MODE _SZ_STRINGIFY_T(symmetric_CFB), #endif #ifdef LTC_OFB_MODE _SZ_STRINGIFY_T(symmetric_OFB), #endif #ifdef LTC_CBC_MODE _SZ_STRINGIFY_T(symmetric_CBC), #endif #ifdef LTC_CTR_MODE _SZ_STRINGIFY_T(symmetric_CTR), #endif #ifdef LTC_LRW_MODE _SZ_STRINGIFY_T(symmetric_LRW), #endif #ifdef LTC_F8_MODE _SZ_STRINGIFY_T(symmetric_F8), #endif #ifdef LTC_XTS_MODE _SZ_STRINGIFY_T(symmetric_xts), #endif /* stream cipher sizes */ #ifdef LTC_CHACHA _SZ_STRINGIFY_T(chacha_state), #endif #ifdef LTC_RC4_STREAM _SZ_STRINGIFY_T(rc4_state), #endif #ifdef LTC_SOBER128_STREAM _SZ_STRINGIFY_T(sober128_state), #endif /* MAC sizes -- no states for ccm, lrw */ #ifdef LTC_HMAC _SZ_STRINGIFY_T(hmac_state), #endif #ifdef LTC_OMAC _SZ_STRINGIFY_T(omac_state), #endif #ifdef LTC_PMAC _SZ_STRINGIFY_T(pmac_state), #endif #ifdef LTC_POLY1305 _SZ_STRINGIFY_T(poly1305_state), #endif #ifdef LTC_EAX_MODE _SZ_STRINGIFY_T(eax_state), #endif #ifdef LTC_OCB_MODE _SZ_STRINGIFY_T(ocb_state), #endif #ifdef LTC_OCB3_MODE _SZ_STRINGIFY_T(ocb3_state), #endif #ifdef LTC_CCM_MODE _SZ_STRINGIFY_T(ccm_state), #endif #ifdef LTC_GCM_MODE _SZ_STRINGIFY_T(gcm_state), #endif #ifdef LTC_PELICAN _SZ_STRINGIFY_T(pelican_state), #endif #ifdef LTC_XCBC _SZ_STRINGIFY_T(xcbc_state), #endif #ifdef LTC_F9_MODE _SZ_STRINGIFY_T(f9_state), #endif #ifdef LTC_CHACHA20POLY1305_MODE _SZ_STRINGIFY_T(chacha20poly1305_state), #endif /* asymmetric keys */ #ifdef LTC_MRSA _SZ_STRINGIFY_T(rsa_key), #endif #ifdef LTC_MDSA _SZ_STRINGIFY_T(dsa_key), #endif #ifdef LTC_MDH _SZ_STRINGIFY_T(dh_key), #endif #ifdef LTC_MECC _SZ_STRINGIFY_T(ltc_ecc_set_type), _SZ_STRINGIFY_T(ecc_point), _SZ_STRINGIFY_T(ecc_key), #endif #ifdef LTC_MKAT _SZ_STRINGIFY_T(katja_key), #endif /* DER handling */ #ifdef LTC_DER _SZ_STRINGIFY_T(ltc_asn1_list), /* a list entry */ _SZ_STRINGIFY_T(ltc_utctime), _SZ_STRINGIFY_T(ltc_generalizedtime), #endif /* prng state sizes */ _SZ_STRINGIFY_S(ltc_prng_descriptor), _SZ_STRINGIFY_T(prng_state), #ifdef LTC_FORTUNA _SZ_STRINGIFY_S(fortuna_prng), #endif #ifdef LTC_CHACHA20_PRNG _SZ_STRINGIFY_S(chacha20_prng), #endif #ifdef LTC_RC4 _SZ_STRINGIFY_S(rc4_prng), #endif #ifdef LTC_SOBER128 _SZ_STRINGIFY_S(sober128_prng), #endif #ifdef LTC_YARROW _SZ_STRINGIFY_S(yarrow_prng), #endif /* sprng has no state as it uses other potentially available sources */ /* like /dev/random. See Developers Guide for more info. */ #ifdef LTC_ADLER32 _SZ_STRINGIFY_T(adler32_state), #endif #ifdef LTC_CRC32 _SZ_STRINGIFY_T(crc32_state), #endif _SZ_STRINGIFY_T(ltc_mp_digit), _SZ_STRINGIFY_T(ltc_math_descriptor) }; /* crypt_get_size() * sizeout will be the size (bytes) of the named struct or union * return -1 if named item not found */ int crypt_get_size(const char* namein, unsigned int *sizeout) { int i; int count = sizeof(_crypt_sizes) / sizeof(_crypt_sizes[0]); for (i=0; i<count; i++) { if (XSTRCMP(_crypt_sizes[i].name, namein) == 0) { *sizeout = _crypt_sizes[i].size; return 0; } } return -1; } /* crypt_list_all_sizes() * if names_list is NULL, names_list_size will be the minimum * size needed to receive the complete names_list * if names_list is NOT NULL, names_list must be the addr with * sufficient memory allocated into which the names_list * is to be written. Also, the value in names_list_size * sets the upper bound of the number of characters to be * written. * a -1 return value signifies insufficient space made available */ int crypt_list_all_sizes(char *names_list, unsigned int *names_list_size) { int i; unsigned int total_len = 0; char number[32], *ptr; int number_len; int count = sizeof(_crypt_sizes) / sizeof(_crypt_sizes[0]); /* calculate amount of memory required for the list */ for (i=0; i<count; i++) { total_len += (unsigned int)strlen(_crypt_sizes[i].name) + 1; /* the above +1 is for the commas */ number_len = snprintf(number, sizeof(number), "%u", _crypt_sizes[i].size); if ((number_len < 0) || ((unsigned int)number_len >= sizeof(number))) return -1; total_len += (unsigned int)strlen(number) + 1; /* this last +1 is for newlines (and ending NULL) */ } if (names_list == NULL) { *names_list_size = total_len; } else { if (total_len > *names_list_size) { return -1; } /* build the names list */ ptr = names_list; for (i=0; i<count; i++) { strcpy(ptr, _crypt_sizes[i].name); ptr += strlen(_crypt_sizes[i].name); strcpy(ptr, ","); ptr += 1; number_len = snprintf(number, sizeof(number), "%u", _crypt_sizes[i].size); strcpy(ptr, number); ptr += number_len; strcpy(ptr, "\n"); ptr += 1; } /* to remove the trailing new-line */ ptr -= 1; *ptr = 0; } return 0; } /* ref: $Format:%D$ */ /* git commit: $Format:%H$ */ /* commit time: $Format:%ai$ */