Cryptography flags. More...

#include <stdint.h>
#include <stddef.h>

Include dependency graph for lcx_common.h:

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Classes
struct	uint64_s
	64-bit types, native or by-hands, depending on target and/or compiler support. More...

struct	cx_iovec_t
	Similar to libc iovec type. More...

Macros
#define	ARCH_LITTLE_ENDIAN

#define	CX_FLAG
	Cryptography flags. More...

#define	CX_LAST (1 << 0)

#define	CX_SIG_MODE (1 << 1)

#define	CX_MASK_SIGCRYPT (3 << 1)

#define	CX_ENCRYPT (2 << 1)

#define	CX_DECRYPT (0 << 1)

#define	CX_SIGN (CX_SIG_MODE \| CX_ENCRYPT)

#define	CX_VERIFY (CX_SIG_MODE \| CX_DECRYPT)

#define	CX_MASK_PAD (7 << 3)

#define	CX_PAD_NONE (0 << 3)

#define	CX_PAD_ISO9797M1 (1 << 3)

#define	CX_PAD_ISO9797M2 (2 << 3)

#define	CX_PAD_PKCS1_1o5 (3 << 3)

#define	CX_PAD_PKCS1_PSS (4 << 3)

#define	CX_PAD_PKCS1_OAEP (5 << 3)

#define	CX_MASK_CHAIN (7 << 6)

#define	CX_CHAIN_ECB (0 << 6)

#define	CX_CHAIN_CBC (1 << 6)

#define	CX_CHAIN_CTR (2 << 6)

#define	CX_CHAIN_CFB (3 << 6)

#define	CX_CHAIN_OFB (4 << 6)

#define	CX_MASK_ECC_VARIANT (7 << 6)

#define	CX_NO_CANONICAL (1 << 6)

#define	CX_MASK_RND (7 << 9)

#define	CX_RND_PRNG (1 << 9)

#define	CX_RND_TRNG (2 << 9)

#define	CX_RND_RFC6979 (3 << 9)

#define	CX_RND_PROVIDED (4 << 9)

#define	CX_MASK_EC (7 << 12)

#define	CX_ECSCHNORR_BIP0340 (0 << 12)

#define	CX_ECDH_POINT (1 << 12)

#define	CX_ECDH_X (2 << 12)

#define	CX_ECSCHNORR_ISO14888_XY (3 << 12)

#define	CX_ECSCHNORR_ISO14888_X (4 << 12)

#define	CX_ECSCHNORR_BSI03111 (5 << 12)

#define	CX_ECSCHNORR_LIBSECP (6 << 12)

#define	CX_ECSCHNORR_Z (7 << 12)

#define	CX_NO_REINIT (1 << 15)

Typedefs
typedef struct uint64_s	uint64bits_t

Detailed Description

Cryptography flags.

Flags required by some functions.

Definition in file lcx_common.h.

Macro Definition Documentation

◆ ARCH_LITTLE_ENDIAN

#define ARCH_LITTLE_ENDIAN

Definition at line 33 of file lcx_common.h.

◆ CX_CHAIN_CBC

#define CX_CHAIN_CBC (1 << 6)

Definition at line 147 of file lcx_common.h.

◆ CX_CHAIN_CFB

#define CX_CHAIN_CFB (3 << 6)

Definition at line 149 of file lcx_common.h.

◆ CX_CHAIN_CTR

#define CX_CHAIN_CTR (2 << 6)

Definition at line 148 of file lcx_common.h.

◆ CX_CHAIN_ECB

#define CX_CHAIN_ECB (0 << 6)

Definition at line 146 of file lcx_common.h.

◆ CX_CHAIN_OFB

#define CX_CHAIN_OFB (4 << 6)

Definition at line 150 of file lcx_common.h.

◆ CX_DECRYPT

#define CX_DECRYPT (0 << 1)

Definition at line 127 of file lcx_common.h.

◆ CX_ECDH_POINT

#define CX_ECDH_POINT (1 << 12)

Definition at line 172 of file lcx_common.h.

◆ CX_ECDH_X

#define CX_ECDH_X (2 << 12)

Definition at line 173 of file lcx_common.h.

◆ CX_ECSCHNORR_BIP0340

#define CX_ECSCHNORR_BIP0340 (0 << 12)

Definition at line 171 of file lcx_common.h.

◆ CX_ECSCHNORR_BSI03111

#define CX_ECSCHNORR_BSI03111 (5 << 12)

Definition at line 176 of file lcx_common.h.

◆ CX_ECSCHNORR_ISO14888_X

#define CX_ECSCHNORR_ISO14888_X (4 << 12)

Definition at line 175 of file lcx_common.h.

◆ CX_ECSCHNORR_ISO14888_XY

#define CX_ECSCHNORR_ISO14888_XY (3 << 12)

Definition at line 174 of file lcx_common.h.

◆ CX_ECSCHNORR_LIBSECP

#define CX_ECSCHNORR_LIBSECP (6 << 12)

Definition at line 177 of file lcx_common.h.

◆ CX_ECSCHNORR_Z

#define CX_ECSCHNORR_Z (7 << 12)

Definition at line 178 of file lcx_common.h.

◆ CX_ENCRYPT

#define CX_ENCRYPT (2 << 1)

Definition at line 126 of file lcx_common.h.

◆ CX_FLAG

#define CX_FLAG

Cryptography flags.

Some functions take logical or of various flags. The following flags are globally defined:

Bits position	Values	Flags	Meaning	Algorithms
15	1000000000000000	CX_NO_REINIT	Do not reinitialize the context on CX_LAST
14:12	0111000000000000	CX_ECSCHNORR_Z	Zilliqa scheme	ECSCHNORR
14:12	0110000000000000	CX_ECSCHNORR_LIBSECP	ECSCHNORR according to libsecp256k1	ECSCHNORR
14:12	0101000000000000	CX_ECSCHNORR_BSI03111	ECSCHNORR according to BSI TR-03111	ECSCHNORR
14:12	0100000000000000	CX_ECSCHNORR_ISO14888_X	ECSCHNORR according to ISO/IEC 14888-3	ECSCHNORR
14:12	0011000000000000	CX_ECSCHNORR_ISO14888_XY	ECSCHNORR according to ISO/IEC 14888-3	ECSCHNORR
14:12	0010000000000000	CX_ECDH_X	ECDH with the x-coordinate of the point	ECDH
14:12	0001000000000000	CX_ECDH_POINT	ECDH with a point	ECDH
11:9	0000100000000000	CX_RND_PROVIDED	Provided random
11:9	0000011000000000	CX_RND_RFC6979	Random from RFC6979
11:9	0000010000000000	CX_RND_TRNG	Random from a PRNG
11:9	0000001000000000	CX_RND_PRNG	Random from a TRNG
8:6	0000000100000000	CX_CHAIN_OFB	Output feedback mode	AES
8:6	0000000011000000	CX_CHAIN_CFB	Cipher feedback mode	AES
8:6	0000000010000000	CX_CHAIN_CTR	Counter mode	AES
8:6	0000000001000000	CX_CHAIN_CBC	Cipher block chaining mode	AES
8:6	0000000001000000	CX_NO_CANONICAL	Do not compute a canonical signature	ECDSA/EDDSA/ECSCHNORR
8:6	0000000000000000	CX_CHAIN_ECB	Electronic codebook mode	AES
5:3	0000000010100000	CX_PAD_PKCS1_OAEP	PKCS1_OAEP padding
5:3	0000000010000000	CX_PAD_PKCS1_PSS	PKCS1_PSS padding
5:3	0000000001100000	CX_PAD_PKCS1_1o5	PKCS1-v1_5 padding
5:3	0000000001000000	CX_PAD_ISO9797M2	ISO9797 padding, method 2
5:3	0000000000100000	CX_PAD_ISO9797M1	ISO9797 padding, method 1
5:3	0000000000000000	CX_PAD_NONE	No padding
2:1	0000000000000110	CX_SIGN	Signature	AES
2:1	0000000000000100	CX_ENCRYPT	Encryption	AES
2:1	0000000000000010	CX_VERIFY	Signature verification	AES
2:1	0000000000000000	CX_DECRYPT	Decryption	AES
0	0000000000000001	CX_LAST	Last block

Definition at line 110 of file lcx_common.h.

◆ CX_LAST

#define CX_LAST (1 << 0)

Bit 0: Last block

Definition at line 115 of file lcx_common.h.

◆ CX_MASK_CHAIN

#define CX_MASK_CHAIN (7 << 6)

Bit 8:6 AES chaining

Definition at line 145 of file lcx_common.h.

◆ CX_MASK_EC

#define CX_MASK_EC (7 << 12)

Bit 14:12: ECDH and ECSCHNORR specificities

Definition at line 170 of file lcx_common.h.

◆ CX_MASK_ECC_VARIANT

#define CX_MASK_ECC_VARIANT (7 << 6)

Bit 8:6 ECC variant

Definition at line 155 of file lcx_common.h.

◆ CX_MASK_PAD

#define CX_MASK_PAD (7 << 3)

Bit 5:3: Padding

Definition at line 134 of file lcx_common.h.

◆ CX_MASK_RND

#define CX_MASK_RND (7 << 9)

Bit 11:9 Random number generation

Definition at line 161 of file lcx_common.h.

◆ CX_MASK_SIGCRYPT

#define CX_MASK_SIGCRYPT (3 << 1)

Bit 2:1: Signature and/or encryption

Definition at line 125 of file lcx_common.h.

◆ CX_NO_CANONICAL

#define CX_NO_CANONICAL (1 << 6)

Definition at line 156 of file lcx_common.h.

◆ CX_NO_REINIT

#define CX_NO_REINIT (1 << 15)

Bit 15: No reinitialization

Definition at line 183 of file lcx_common.h.

◆ CX_PAD_ISO9797M1

#define CX_PAD_ISO9797M1 (1 << 3)

Definition at line 136 of file lcx_common.h.

◆ CX_PAD_ISO9797M2

#define CX_PAD_ISO9797M2 (2 << 3)

Definition at line 137 of file lcx_common.h.

◆ CX_PAD_NONE

#define CX_PAD_NONE (0 << 3)

Definition at line 135 of file lcx_common.h.

◆ CX_PAD_PKCS1_1o5

#define CX_PAD_PKCS1_1o5 (3 << 3)

Definition at line 138 of file lcx_common.h.

◆ CX_PAD_PKCS1_OAEP

#define CX_PAD_PKCS1_OAEP (5 << 3)

Definition at line 140 of file lcx_common.h.

◆ CX_PAD_PKCS1_PSS

#define CX_PAD_PKCS1_PSS (4 << 3)

Definition at line 139 of file lcx_common.h.

◆ CX_RND_PRNG

#define CX_RND_PRNG (1 << 9)

Definition at line 162 of file lcx_common.h.

◆ CX_RND_PROVIDED

#define CX_RND_PROVIDED (4 << 9)

Definition at line 165 of file lcx_common.h.

◆ CX_RND_RFC6979

#define CX_RND_RFC6979 (3 << 9)

Definition at line 164 of file lcx_common.h.

◆ CX_RND_TRNG

#define CX_RND_TRNG (2 << 9)

Definition at line 163 of file lcx_common.h.

◆ CX_SIG_MODE

#define CX_SIG_MODE (1 << 1)

Bit 1: Signature or verification

Definition at line 120 of file lcx_common.h.

◆ CX_SIGN

#define CX_SIGN (CX_SIG_MODE | CX_ENCRYPT)

Definition at line 128 of file lcx_common.h.

◆ CX_VERIFY

#define CX_VERIFY (CX_SIG_MODE | CX_DECRYPT)

Definition at line 129 of file lcx_common.h.

Typedef Documentation

◆ uint64bits_t

typedef struct uint64_s uint64bits_t

Definition at line 1 of file lcx_common.h.

Classes

Macros

Typedefs