Functions
void	AES_set_key (AES_CTX ctx, const uint8_t key, const uint8_t *iv, AES_MODE mode)
	Set up AES with the key/iv and cipher size.
void	AES_cbc_encrypt (AES_CTX ctx, const uint8_t msg, uint8_t *out, int length)
	Encrypt a byte sequence (with a block size 16) using the AES cipher.
void	AES_cbc_decrypt (AES_CTX ks, const uint8_t in, uint8_t *out, int length)
	Decrypt a byte sequence (with a block size 16) using the AES cipher.
void	AES_convert_key (AES_CTX *ctx)
	Change a key for decryption.
void	RC4_setup (RC4_CTX s, const uint8_t key, int length)
	An implementation of the RC4/ARC4 algorithm.
void	RC4_crypt (RC4_CTX s, const uint8_t msg, uint8_t *data, int length)
	Perform the encrypt/decrypt operation (can use it for either since this is a stream cipher).
void	SHA1_Init (SHA1_CTX *)
	Initialize the SHA1 context.
void	SHA1_Update (SHA1_CTX , const uint8_t msg, int len)
	Accepts an array of octets as the next portion of the message.
void	SHA1_Final (uint8_t digest, SHA1_CTX )
	Return the 160-bit message digest into the user's array.
EXP_FUNC void STDCALL	MD5_Init (MD5_CTX *)
	MD5 initialization - begins an MD5 operation, writing a new ctx.
EXP_FUNC void STDCALL	MD5_Update (MD5_CTX , const uint8_t msg, int len)
	Accepts an array of octets as the next portion of the message.
EXP_FUNC void STDCALL	MD5_Final (uint8_t digest, MD5_CTX )
	Return the 128-bit message digest into the user's array.
void	hmac_md5 (const uint8_t msg, int length, const uint8_t key, int key_len, uint8_t *digest)
	HMAC implementation - This code was originally taken from RFC2104 See http://www.ietf.org/rfc/rfc2104.txt and http://www.faqs.org/rfcs/rfc2202.html.
void	hmac_sha1 (const uint8_t msg, int length, const uint8_t key, int key_len, uint8_t *digest)
	Perform HMAC-SHA1 NOTE: does not handle keys larger than the block size.
void	RSA_free (RSA_CTX *ctx)
	Free up any RSA context resources.
int	RSA_decrypt (const RSA_CTX ctx, const uint8_t in_data, uint8_t *out_data, int is_decryption)
	Use PKCS1.5 for decryption/verification.
bigint *	RSA_private (const RSA_CTX c, bigint bi_msg)
	Performs m = c^d mod n.
bigint *	RSA_public (const RSA_CTX c, bigint bi_msg)
	Performs c = m^e mod n.
int	RSA_encrypt (const RSA_CTX ctx, const uint8_t in_data, uint16_t in_len, uint8_t *out_data, int is_signing)
	Use PKCS1.5 for encryption/signing.
void	RSA_print (const RSA_CTX *ctx)
	Used for diagnostics.
EXP_FUNC void STDCALL	RNG_initialize (void)
	Initialise the Random Number Generator engine.
EXP_FUNC void STDCALL	RNG_custom_init (const uint8_t *seed_buf, int size)
	If no /dev/urandom, then initialise the RNG with something interesting.
EXP_FUNC void STDCALL	RNG_terminate (void)
	Terminate the RNG engine.
EXP_FUNC void STDCALL	get_random (int num_rand_bytes, uint8_t *rand_data)
	Set a series of bytes with a random number.
void	get_random_NZ (int num_rand_bytes, uint8_t *rand_data)
	Set a series of bytes with a random number.

Detailed Description

Definition in file crypto.h.

Function Documentation

void AES_cbc_decrypt	(	AES_CTX *	ks,
		const uint8_t *	in,
		uint8_t *	out,
		int	length
	)

Decrypt a byte sequence (with a block size 16) using the AES cipher.

Definition at line 312 of file unsupported/net/https/axTLS/crypto/aes.c.

void AES_cbc_encrypt	(	AES_CTX *	ctx,
		const uint8_t *	msg,
		uint8_t *	out,
		int	length
	)

Encrypt a byte sequence (with a block size 16) using the AES cipher.

Definition at line 273 of file unsupported/net/https/axTLS/crypto/aes.c.

void AES_convert_key ( AES_CTX * ctx )

Change a key for decryption.

Definition at line 254 of file unsupported/net/https/axTLS/crypto/aes.c.

void AES_set_key	(	AES_CTX *	ctx,
		const uint8_t *	key,
		const uint8_t *	iv,
		AES_MODE	mode
	)

Set up AES with the key/iv and cipher size.

Definition at line 179 of file unsupported/net/https/axTLS/crypto/aes.c.

EXP_FUNC void STDCALL get_random	(	int	num_rand_bytes,
		uint8_t *	rand_data
	)

Set a series of bytes with a random number.

Individual bytes can be 0

Definition at line 164 of file crypto_misc.c.

void get_random_NZ	(	int	num_rand_bytes,
		uint8_t *	rand_data
	)

Set a series of bytes with a random number.

Individual bytes are not zero.

Definition at line 214 of file crypto_misc.c.

void hmac_md5	(	const uint8_t *	msg,
		int	length,
		const uint8_t *	key,
		int	key_len,
		uint8_t *	digest
	)

HMAC implementation - This code was originally taken from RFC2104 See http://www.ietf.org/rfc/rfc2104.txt and http://www.faqs.org/rfcs/rfc2202.html.

Perform HMAC-MD5 NOTE: does not handle keys larger than the block size.

Definition at line 45 of file hmac.c.

void hmac_sha1	(	const uint8_t *	msg,
		int	length,
		const uint8_t *	key,
		int	key_len,
		uint8_t *	digest
	)

Perform HMAC-SHA1 NOTE: does not handle keys larger than the block size.

Definition at line 78 of file hmac.c.

EXP_FUNC void STDCALL MD5_Final	(	uint8_t *	digest,
		MD5_CTX *
	)

Return the 128-bit message digest into the user's array.

Definition at line 157 of file unsupported/net/https/axTLS/crypto/md5.c.

EXP_FUNC void STDCALL MD5_Init ( MD5_CTX * )

MD5 initialization - begins an MD5 operation, writing a new ctx.

Definition at line 106 of file unsupported/net/https/axTLS/crypto/md5.c.

EXP_FUNC void STDCALL MD5_Update	(	MD5_CTX *	,
		const uint8_t *	msg,
		int	len
	)

Accepts an array of octets as the next portion of the message.

Definition at line 121 of file unsupported/net/https/axTLS/crypto/md5.c.

void RC4_crypt	(	RC4_CTX *	ctx,
		const uint8_t *	msg,
		uint8_t *	out,
		int	length
	)

Perform the encrypt/decrypt operation (can use it for either since this is a stream cipher).

NOTE: *msg and *out must be the same pointer (performance tweak)

Definition at line 72 of file rc4.c.

void RC4_setup	(	RC4_CTX *	ctx,
		const uint8_t *	key,
		int	length
	)

An implementation of the RC4/ARC4 algorithm.

Originally written by Christophe Devine. Get ready for an encrypt/decrypt operation

Definition at line 43 of file rc4.c.

EXP_FUNC void STDCALL RNG_custom_init	(	const uint8_t *	seed_buf,
		int	size
	)

If no /dev/urandom, then initialise the RNG with something interesting.

Definition at line 139 of file crypto_misc.c.

EXP_FUNC void STDCALL RNG_initialize ( void )

Initialise the Random Number Generator engine.

On Win32 use the platform SDK's crypto engine.
On Linux use /dev/urandom
If none of these work then use a custom RNG.

Definition at line 109 of file crypto_misc.c.

EXP_FUNC void STDCALL RNG_terminate ( void )

Terminate the RNG engine.

Definition at line 152 of file crypto_misc.c.

int RSA_decrypt	(	const RSA_CTX *	ctx,
		const uint8_t *	in_data,
		uint8_t *	out_data,
		int	is_decryption
	)

Use PKCS1.5 for decryption/verification.

Parameters:

ctx	[in] The context
in_data	[in] The data to encrypt (must be < modulus size-11)
out_data	[out] The encrypted data.
is_decryption	[in] Decryption or verify operation.