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292
thirdparty/libtomcrypt/misc/crypt/crypt_constants.c
vendored
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292
thirdparty/libtomcrypt/misc/crypt/crypt_constants.c
vendored
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*/
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#include "tomcrypt.h"
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/**
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@file crypt_constants.c
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Make various constants available to dynamic languages
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like Python - Larry Bugbee, February 2013
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LB - Dec 2013 - revised to include compiler define options
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LB - Mar 2014 - added endianness and word size
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*/
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typedef struct {
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const char *name;
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const int value;
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} crypt_constant;
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#define _C_STRINGIFY(s) { #s, s }
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static const crypt_constant _crypt_constants[] = {
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_C_STRINGIFY(CRYPT_OK),
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_C_STRINGIFY(CRYPT_ERROR),
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_C_STRINGIFY(CRYPT_NOP),
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_C_STRINGIFY(CRYPT_INVALID_KEYSIZE),
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_C_STRINGIFY(CRYPT_INVALID_ROUNDS),
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_C_STRINGIFY(CRYPT_FAIL_TESTVECTOR),
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_C_STRINGIFY(CRYPT_BUFFER_OVERFLOW),
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_C_STRINGIFY(CRYPT_INVALID_PACKET),
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_C_STRINGIFY(CRYPT_INVALID_PRNGSIZE),
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_C_STRINGIFY(CRYPT_ERROR_READPRNG),
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_C_STRINGIFY(CRYPT_INVALID_CIPHER),
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_C_STRINGIFY(CRYPT_INVALID_HASH),
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_C_STRINGIFY(CRYPT_INVALID_PRNG),
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_C_STRINGIFY(CRYPT_MEM),
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_C_STRINGIFY(CRYPT_PK_TYPE_MISMATCH),
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_C_STRINGIFY(CRYPT_PK_NOT_PRIVATE),
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_C_STRINGIFY(CRYPT_INVALID_ARG),
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_C_STRINGIFY(CRYPT_FILE_NOTFOUND),
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_C_STRINGIFY(CRYPT_PK_INVALID_TYPE),
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_C_STRINGIFY(CRYPT_OVERFLOW),
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_C_STRINGIFY(CRYPT_UNUSED1),
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_C_STRINGIFY(CRYPT_INPUT_TOO_LONG),
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_C_STRINGIFY(CRYPT_PK_INVALID_SIZE),
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_C_STRINGIFY(CRYPT_INVALID_PRIME_SIZE),
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_C_STRINGIFY(CRYPT_PK_INVALID_PADDING),
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_C_STRINGIFY(CRYPT_HASH_OVERFLOW),
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_C_STRINGIFY(PK_PUBLIC),
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_C_STRINGIFY(PK_PRIVATE),
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_C_STRINGIFY(LTC_ENCRYPT),
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_C_STRINGIFY(LTC_DECRYPT),
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#ifdef LTC_PKCS_1
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{"LTC_PKCS_1", 1},
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/* Block types */
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_C_STRINGIFY(LTC_PKCS_1_EMSA),
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_C_STRINGIFY(LTC_PKCS_1_EME),
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/* Padding types */
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_C_STRINGIFY(LTC_PKCS_1_V1_5),
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_C_STRINGIFY(LTC_PKCS_1_OAEP),
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_C_STRINGIFY(LTC_PKCS_1_PSS),
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_C_STRINGIFY(LTC_PKCS_1_V1_5_NA1),
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#else
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{"LTC_PKCS_1", 0},
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#endif
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#ifdef LTC_MRSA
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{"LTC_MRSA", 1},
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#else
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{"LTC_MRSA", 0},
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#endif
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#ifdef LTC_MKAT
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{"LTC_MKAT", 1},
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_C_STRINGIFY(MIN_KAT_SIZE),
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_C_STRINGIFY(MAX_KAT_SIZE),
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#else
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{"LTC_MKAT", 0},
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#endif
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#ifdef LTC_MECC
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{"LTC_MECC", 1},
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_C_STRINGIFY(ECC_BUF_SIZE),
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_C_STRINGIFY(ECC_MAXSIZE),
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#else
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{"LTC_MECC", 0},
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#endif
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#ifdef LTC_MDSA
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{"LTC_MDSA", 1},
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_C_STRINGIFY(LTC_MDSA_DELTA),
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_C_STRINGIFY(LTC_MDSA_MAX_GROUP),
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#else
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{"LTC_MDSA", 0},
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#endif
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#ifdef LTC_MILLER_RABIN_REPS
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_C_STRINGIFY(LTC_MILLER_RABIN_REPS),
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#endif
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#ifdef LTC_DER
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/* DER handling */
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{"LTC_DER", 1},
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_C_STRINGIFY(LTC_ASN1_EOL),
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_C_STRINGIFY(LTC_ASN1_BOOLEAN),
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_C_STRINGIFY(LTC_ASN1_INTEGER),
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_C_STRINGIFY(LTC_ASN1_SHORT_INTEGER),
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_C_STRINGIFY(LTC_ASN1_BIT_STRING),
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_C_STRINGIFY(LTC_ASN1_OCTET_STRING),
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_C_STRINGIFY(LTC_ASN1_NULL),
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_C_STRINGIFY(LTC_ASN1_OBJECT_IDENTIFIER),
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_C_STRINGIFY(LTC_ASN1_IA5_STRING),
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_C_STRINGIFY(LTC_ASN1_PRINTABLE_STRING),
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_C_STRINGIFY(LTC_ASN1_UTF8_STRING),
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_C_STRINGIFY(LTC_ASN1_UTCTIME),
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_C_STRINGIFY(LTC_ASN1_CHOICE),
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_C_STRINGIFY(LTC_ASN1_SEQUENCE),
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_C_STRINGIFY(LTC_ASN1_SET),
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_C_STRINGIFY(LTC_ASN1_SETOF),
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_C_STRINGIFY(LTC_ASN1_RAW_BIT_STRING),
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_C_STRINGIFY(LTC_ASN1_TELETEX_STRING),
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_C_STRINGIFY(LTC_ASN1_CONSTRUCTED),
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_C_STRINGIFY(LTC_ASN1_CONTEXT_SPECIFIC),
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_C_STRINGIFY(LTC_ASN1_GENERALIZEDTIME),
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_C_STRINGIFY(LTC_DER_MAX_RECURSION),
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#else
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{"LTC_DER", 0},
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#endif
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#ifdef LTC_CTR_MODE
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{"LTC_CTR_MODE", 1},
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_C_STRINGIFY(CTR_COUNTER_LITTLE_ENDIAN),
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_C_STRINGIFY(CTR_COUNTER_BIG_ENDIAN),
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_C_STRINGIFY(LTC_CTR_RFC3686),
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#else
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{"LTC_CTR_MODE", 0},
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#endif
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#ifdef LTC_GCM_MODE
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_C_STRINGIFY(LTC_GCM_MODE_IV),
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_C_STRINGIFY(LTC_GCM_MODE_AAD),
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_C_STRINGIFY(LTC_GCM_MODE_TEXT),
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#endif
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_C_STRINGIFY(LTC_MP_LT),
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_C_STRINGIFY(LTC_MP_EQ),
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_C_STRINGIFY(LTC_MP_GT),
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_C_STRINGIFY(LTC_MP_NO),
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_C_STRINGIFY(LTC_MP_YES),
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_C_STRINGIFY(MAXBLOCKSIZE),
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_C_STRINGIFY(TAB_SIZE),
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_C_STRINGIFY(ARGTYPE),
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#ifdef LTM_DESC
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{"LTM_DESC", 1},
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#else
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{"LTM_DESC", 0},
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#endif
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#ifdef TFM_DESC
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{"TFM_DESC", 1},
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#else
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{"TFM_DESC", 0},
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#endif
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#ifdef GMP_DESC
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{"GMP_DESC", 1},
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#else
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{"GMP_DESC", 0},
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#endif
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#ifdef LTC_FAST
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{"LTC_FAST", 1},
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#else
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{"LTC_FAST", 0},
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#endif
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#ifdef LTC_NO_FILE
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{"LTC_NO_FILE", 1},
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#else
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{"LTC_NO_FILE", 0},
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#endif
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#ifdef ENDIAN_LITTLE
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{"ENDIAN_LITTLE", 1},
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#else
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{"ENDIAN_LITTLE", 0},
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#endif
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#ifdef ENDIAN_BIG
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{"ENDIAN_BIG", 1},
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#else
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{"ENDIAN_BIG", 0},
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#endif
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#ifdef ENDIAN_32BITWORD
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{"ENDIAN_32BITWORD", 1},
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#else
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{"ENDIAN_32BITWORD", 0},
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#endif
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#ifdef ENDIAN_64BITWORD
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{"ENDIAN_64BITWORD", 1},
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#else
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{"ENDIAN_64BITWORD", 0},
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#endif
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#ifdef ENDIAN_NEUTRAL
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{"ENDIAN_NEUTRAL", 1},
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#else
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{"ENDIAN_NEUTRAL", 0},
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#endif
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};
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/* crypt_get_constant()
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* valueout will be the value of the named constant
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* return -1 if named item not found
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*/
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int crypt_get_constant(const char* namein, int *valueout) {
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int i;
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int _crypt_constants_len = sizeof(_crypt_constants) / sizeof(_crypt_constants[0]);
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for (i=0; i<_crypt_constants_len; i++) {
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if (XSTRCMP(_crypt_constants[i].name, namein) == 0) {
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*valueout = _crypt_constants[i].value;
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return 0;
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}
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}
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return 1;
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}
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/* crypt_list_all_constants()
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* if names_list is NULL, names_list_size will be the minimum
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* number of bytes needed to receive the complete names_list
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* if names_list is NOT NULL, names_list must be the addr of
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* sufficient memory allocated into which the names_list
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* is to be written. Also, the value in names_list_size
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* sets the upper bound of the number of characters to be
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* written.
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* a -1 return value signifies insufficient space made available
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*/
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int crypt_list_all_constants(char *names_list, unsigned int *names_list_size) {
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int i;
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unsigned int total_len = 0;
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char *ptr;
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int number_len;
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int count = sizeof(_crypt_constants) / sizeof(_crypt_constants[0]);
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/* calculate amount of memory required for the list */
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for (i=0; i<count; i++) {
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number_len = snprintf(NULL, 0, "%s,%d\n", _crypt_constants[i].name, _crypt_constants[i].value);
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if (number_len < 0)
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return -1;
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total_len += number_len;
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}
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if (names_list == NULL) {
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*names_list_size = total_len;
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} else {
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if (total_len > *names_list_size) {
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return -1;
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}
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/* build the names list */
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ptr = names_list;
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for (i=0; i<count; i++) {
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number_len = snprintf(ptr, total_len, "%s,%d\n", _crypt_constants[i].name, _crypt_constants[i].value);
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if (number_len < 0) return -1;
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if ((unsigned int)number_len > total_len) return -1;
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total_len -= number_len;
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ptr += number_len;
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}
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/* to remove the trailing new-line */
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ptr -= 1;
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*ptr = 0;
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}
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return 0;
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}
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/* ref: HEAD -> master, tag: v1.18.2 */
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/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
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/* commit time: 2018-07-01 22:49:01 +0200 */
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