1 /* 2 * This software is Copyright (c) 2015 magnum 3 * and it is hereby released to the general public under the following terms: 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted. 6 * 7 * JimF (Feb, 2016) 8 * bumped salt to 2 limb (115 byte max). Originally this was 1 limb and 'should' 9 * have only allowed 51 byte salts. But a bug in code listed 52 as max salt size. 10 * this has been fixed, and now 2 limb salts work just fine. 11 */ 12 #ifndef _OPENCL_PBKDF2_HMAC_MD4_H 13 #define _OPENCL_PBKDF2_HMAC_MD4_H 14 15 /* 16 * The MD4 block size used for HMAC dictates (for optimised code) a max. 17 * plaintext length of 64 and a max. salt length of 52. (should have actually 18 * only been 51! but it has been bumped 2 to md4 limbs and 115 byte salt.) 19 * 20 * These structs do NOT have space for any cstring trailing NULL 21 */ 22 23 #ifndef PLAINTEXT_LENGTH 24 #define PLAINTEXT_LENGTH 64 25 #endif 26 27 typedef struct { 28 unsigned int dk[((OUTLEN + 15) / 16) * 16 / sizeof(unsigned int)]; 29 } pbkdf2_out; 30 31 typedef struct { 32 unsigned int length; 33 unsigned int outlen; 34 unsigned int iterations; 35 unsigned char salt[179]; 36 } pbkdf2_salt; 37 38 #ifndef _OPENCL_COMPILER 39 #define MAYBE_VECTOR_UINT unsigned int 40 #endif 41 42 typedef struct { 43 MAYBE_VECTOR_UINT W[4]; 44 MAYBE_VECTOR_UINT ipad[4]; 45 MAYBE_VECTOR_UINT opad[4]; 46 MAYBE_VECTOR_UINT out[4]; 47 unsigned int iter_cnt; 48 unsigned int pass; 49 } pbkdf2_state; 50 51 #endif 52