From 89c9c2e56c8b547ee0b0e104798c609d8d307f5e Mon Sep 17 00:00:00 2001 From: ame Date: Mon, 15 Apr 2024 08:23:28 -0500 Subject: msys2 + fix logging --- src/hash/crc.c | 320 ++++++++++++++++++++++++++++----------------------------- 1 file changed, 160 insertions(+), 160 deletions(-) (limited to 'src/hash/crc.c') diff --git a/src/hash/crc.c b/src/hash/crc.c index acb6984..650b315 100644 --- a/src/hash/crc.c +++ b/src/hash/crc.c @@ -1,160 +1,160 @@ -#include "../crypto.h" -#include -#include -#include -#include - -struct crc32_hash crc32_init(){ - return (struct crc32_hash){.crc = 0xFFFFFFFF}; -} - -void crc32_update(uint8_t* data, size_t len, struct crc32_hash* hash){ - for(int i = 0; i < len; i++){ - uint32_t extract = data[i]; - for(int z = 0; z < 8; z++){ - uint32_t b = (extract^hash->crc)&1; - hash->crc>>=1; - if(b) hash->crc^=0xEDB88320; - extract>>=1; - } - } -} - -uint32_t crc32_final(struct crc32_hash* hash){ - return -(hash->crc+1); -} - -uint32_t crc32(uint8_t* data, size_t len){ - struct crc32_hash a = crc32_init(); - crc32_update(data, len, &a); - return crc32_final(&a); -} - -struct crc16_hash crc16_init(){ - return (struct crc16_hash){.crc = 0x0}; -} - -void crc16_update(uint8_t *aa, size_t len, struct crc16_hash *hash){ - for(int i = 0; i != len; i++){ - uint8_t a = aa[i]; - hash->crc ^= a; - for (int z = 0; z < 8; z++){ - if (hash->crc & 1) hash->crc = (hash->crc >> 1) ^ 0xA001; - else hash->crc = (hash->crc >> 1); - } - } -} - -uint16_t crc16_final(struct crc16_hash *hash){ - return hash->crc; -} - -uint16_t crc16(uint8_t *aa, size_t len){ - struct crc16_hash a = crc16_init(); - crc16_update(aa, len, &a); - return crc16_final(&a); -} - -struct crc8_hash crc8_init(){ - return (struct crc8_hash){.crc = 0x00}; -} - -void crc8_update(uint8_t *aa, size_t len, struct crc8_hash *hash){ - for(int i = 0; i != len; i++){ - uint8_t a = aa[i]; - - for (int z = 0; z < 8; z++){ - uint8_t b = (hash->crc ^ a) & 1; - hash->crc >>= 1; - if(b) hash->crc ^= 0x8c; - a >>=1; - } - } -} - -uint8_t crc8_final(struct crc8_hash *hash){ - return hash->crc; -} - -uint8_t crc8(uint8_t *aa, size_t len){ - struct crc8_hash a = crc8_init(); - crc8_update(aa, len, &a); - return crc8_final(&a); -} - -common_hash_clone(crc32); -common_hash_clone(crc16); -common_hash_clone(crc8); - -common_hash_init_update(crc32); -common_hash_init_update(crc16); -common_hash_init_update(crc8); - -int l_crc8_final(lua_State* L){ - struct crc8_hash* a = (struct crc8_hash*)lua_touserdata(L, 1); - uint32_t u = crc8_final(a); - char digest[8]; - sprintf(digest,"%x",u); - lua_pushstring(L, digest); - return 1; -} - -int l_crc16_final(lua_State* L){ - struct crc16_hash* a = (struct crc16_hash*)lua_touserdata(L, 1); - uint32_t u = crc16_final(a); - char digest[16]; - sprintf(digest,"%04x",u); - lua_pushstring(L, digest); - return 1; -} - -int l_crc32_final(lua_State* L){ - struct crc32_hash* a = (struct crc32_hash*)lua_touserdata(L, 1); - uint32_t u = crc32_final(a); - char digest[32]; - sprintf(digest,"%08x",u); - lua_pushstring(L, digest); - return 1; -} - -int l_crc8(lua_State* L){ - if(lua_gettop(L) == 0) return l_crc8_init(L); - size_t len = 0; - uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len); - - char digest[8]; - - uint8_t u = crc8(a, len); - sprintf(digest,"%x",u); - lua_pushstring(L, digest); - - return 1; -} - -int l_crc16(lua_State* L){ - if(lua_gettop(L) == 0) return l_crc16_init(L); - size_t len = 0; - uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len); - - char digest[16]; - - uint16_t u = crc16(a, len); - sprintf(digest,"%x",u); - lua_pushstring(L, digest); - - return 1; -} - -int l_crc32(lua_State* L){ - if(lua_gettop(L) == 0) return l_crc32_init(L); - size_t len = 0; - uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len); - - char digest[32]; - - uint32_t u = crc32(a, len); - sprintf(digest,"%x",u); - lua_pushstring(L, digest); - - return 1; -} +#include "../crypto.h" +#include +#include +#include +#include + +struct crc32_hash crc32_init(){ + return (struct crc32_hash){.crc = 0xFFFFFFFF}; +} + +void crc32_update(uint8_t* data, size_t len, struct crc32_hash* hash){ + for(int i = 0; i < len; i++){ + uint32_t extract = data[i]; + for(int z = 0; z < 8; z++){ + uint32_t b = (extract^hash->crc)&1; + hash->crc>>=1; + if(b) hash->crc^=0xEDB88320; + extract>>=1; + } + } +} + +uint32_t crc32_final(struct crc32_hash* hash){ + return -(hash->crc+1); +} + +uint32_t crc32(uint8_t* data, size_t len){ + struct crc32_hash a = crc32_init(); + crc32_update(data, len, &a); + return crc32_final(&a); +} + +struct crc16_hash crc16_init(){ + return (struct crc16_hash){.crc = 0x0}; +} + +void crc16_update(uint8_t *aa, size_t len, struct crc16_hash *hash){ + for(int i = 0; i != len; i++){ + uint8_t a = aa[i]; + hash->crc ^= a; + for (int z = 0; z < 8; z++){ + if (hash->crc & 1) hash->crc = (hash->crc >> 1) ^ 0xA001; + else hash->crc = (hash->crc >> 1); + } + } +} + +uint16_t crc16_final(struct crc16_hash *hash){ + return hash->crc; +} + +uint16_t crc16(uint8_t *aa, size_t len){ + struct crc16_hash a = crc16_init(); + crc16_update(aa, len, &a); + return crc16_final(&a); +} + +struct crc8_hash crc8_init(){ + return (struct crc8_hash){.crc = 0x00}; +} + +void crc8_update(uint8_t *aa, size_t len, struct crc8_hash *hash){ + for(int i = 0; i != len; i++){ + uint8_t a = aa[i]; + + for (int z = 0; z < 8; z++){ + uint8_t b = (hash->crc ^ a) & 1; + hash->crc >>= 1; + if(b) hash->crc ^= 0x8c; + a >>=1; + } + } +} + +uint8_t crc8_final(struct crc8_hash *hash){ + return hash->crc; +} + +uint8_t crc8(uint8_t *aa, size_t len){ + struct crc8_hash a = crc8_init(); + crc8_update(aa, len, &a); + return crc8_final(&a); +} + +common_hash_clone(crc32); +common_hash_clone(crc16); +common_hash_clone(crc8); + +common_hash_init_update(crc32); +common_hash_init_update(crc16); +common_hash_init_update(crc8); + +int l_crc8_final(lua_State* L){ + struct crc8_hash* a = (struct crc8_hash*)lua_touserdata(L, 1); + uint32_t u = crc8_final(a); + char digest[8]; + sprintf(digest,"%x",u); + lua_pushstring(L, digest); + return 1; +} + +int l_crc16_final(lua_State* L){ + struct crc16_hash* a = (struct crc16_hash*)lua_touserdata(L, 1); + uint32_t u = crc16_final(a); + char digest[16]; + sprintf(digest,"%04x",u); + lua_pushstring(L, digest); + return 1; +} + +int l_crc32_final(lua_State* L){ + struct crc32_hash* a = (struct crc32_hash*)lua_touserdata(L, 1); + uint32_t u = crc32_final(a); + char digest[32]; + sprintf(digest,"%08x",u); + lua_pushstring(L, digest); + return 1; +} + +int l_crc8(lua_State* L){ + if(lua_gettop(L) == 0) return l_crc8_init(L); + size_t len = 0; + uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len); + + char digest[8]; + + uint8_t u = crc8(a, len); + sprintf(digest,"%x",u); + lua_pushstring(L, digest); + + return 1; +} + +int l_crc16(lua_State* L){ + if(lua_gettop(L) == 0) return l_crc16_init(L); + size_t len = 0; + uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len); + + char digest[16]; + + uint16_t u = crc16(a, len); + sprintf(digest,"%x",u); + lua_pushstring(L, digest); + + return 1; +} + +int l_crc32(lua_State* L){ + if(lua_gettop(L) == 0) return l_crc32_init(L); + size_t len = 0; + uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len); + + char digest[32]; + + uint32_t u = crc32(a, len); + sprintf(digest,"%x",u); + lua_pushstring(L, digest); + + return 1; +} -- cgit v1.2.3