ctaes.c File Reference

#include "ctaes.h"

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Macros
#define	BIT_RANGE(from, to)   (((1 << ((to) - (from))) - 1) << (from))
#define	BIT_RANGE_LEFT(x, from, to, shift)   (((x) & BIT_RANGE((from), (to))) << (shift))
#define	BIT_RANGE_RIGHT(x, from, to, shift)   (((x) & BIT_RANGE((from), (to))) >> (shift))
#define	ROT(x, b)   (((x) >> ((b) * 4)) | ((x) << ((4-(b)) * 4)))

Functions
void	AES128_init (AES128_ctx *ctx, const unsigned char *key16)
void	AES128_encrypt (const AES128_ctx *ctx, size_t blocks, unsigned char *cipher16, const unsigned char *plain16)
void	AES128_decrypt (const AES128_ctx *ctx, size_t blocks, unsigned char *plain16, const unsigned char *cipher16)
void	AES192_init (AES192_ctx *ctx, const unsigned char *key24)
void	AES192_encrypt (const AES192_ctx *ctx, size_t blocks, unsigned char *cipher16, const unsigned char *plain16)
void	AES192_decrypt (const AES192_ctx *ctx, size_t blocks, unsigned char *plain16, const unsigned char *cipher16)
void	AES256_init (AES256_ctx *ctx, const unsigned char *key32)
void	AES256_encrypt (const AES256_ctx *ctx, size_t blocks, unsigned char *cipher16, const unsigned char *plain16)
void	AES256_decrypt (const AES256_ctx *ctx, size_t blocks, unsigned char *plain16, const unsigned char *cipher16)

Macro Definition Documentation

BIT_RANGE

#define BIT_RANGE	(		from,
			to
	)		(((1 << ((to) - (from))) - 1) << (from))

Definition at line 258 of file ctaes.c.

BIT_RANGE_LEFT

#define BIT_RANGE_LEFT	(		x,
			from,
			to,
			shift
	)		(((x) & BIT_RANGE((from), (to))) << (shift))

Definition at line 260 of file ctaes.c.

BIT_RANGE_RIGHT

#define BIT_RANGE_RIGHT	(		x,
			from,
			to,
			shift
	)		(((x) & BIT_RANGE((from), (to))) >> (shift))

Definition at line 261 of file ctaes.c.

ROT

#define ROT	(		x,
			b
	)		(((x) >> ((b) * 4)) | ((x) << ((4-(b)) * 4)))

Definition at line 287 of file ctaes.c.

Function Documentation

AES128_decrypt()

void AES128_decrypt	(	const AES128_ctx *	ctx,
		size_t	blocks,
		unsigned char *	plain16,
		const unsigned char *	cipher16
	)

Definition at line 509 of file ctaes.c.

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AES128_encrypt()

void AES128_encrypt	(	const AES128_ctx *	ctx,
		size_t	blocks,
		unsigned char *	cipher16,
		const unsigned char *	plain16
	)

Definition at line 501 of file ctaes.c.

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AES128_init()

void AES128_init	(	AES128_ctx *	ctx,
		const unsigned char *	key16
	)

Definition at line 497 of file ctaes.c.

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AES192_decrypt()

void AES192_decrypt	(	const AES192_ctx *	ctx,
		size_t	blocks,
		unsigned char *	plain16,
		const unsigned char *	cipher16
	)

Definition at line 530 of file ctaes.c.

AES192_encrypt()

void AES192_encrypt	(	const AES192_ctx *	ctx,
		size_t	blocks,
		unsigned char *	cipher16,
		const unsigned char *	plain16
	)

Definition at line 521 of file ctaes.c.

AES192_init()

void AES192_init	(	AES192_ctx *	ctx,
		const unsigned char *	key24
	)

Definition at line 517 of file ctaes.c.

AES256_decrypt()

void AES256_decrypt	(	const AES256_ctx *	ctx,
		size_t	blocks,
		unsigned char *	plain16,
		const unsigned char *	cipher16
	)

Definition at line 550 of file ctaes.c.

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AES256_encrypt()

void AES256_encrypt	(	const AES256_ctx *	ctx,
		size_t	blocks,
		unsigned char *	cipher16,
		const unsigned char *	plain16
	)

Definition at line 542 of file ctaes.c.

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AES256_init()

void AES256_init	(	AES256_ctx *	ctx,
		const unsigned char *	key32
	)

Definition at line 538 of file ctaes.c.

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