--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libtomcrypt/src/misc/crypt/crypt_sizes.c	Fri Feb 09 21:44:05 2018 +0800
@@ -0,0 +1,356 @@
+/* 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: $Format:%ai$ */