Collaboration diagram for One-time authentication:

Data Structures
struct	mcci_tweetnacl_onetimeauth_authenticator_t
	abstract type for crypto authenticators More...

struct	mcci_tweetnacl_onetimeauth_key_t
	abstract type for crypto keys More...

struct	mcci_tweetnacl_stream_key_t
	abstract type for crypto keys More...

struct	mcci_tweetnacl_stream_nonce_t
	abstract type for crypto nonces More...

Functions
static void	mcci_tweetnacl_core_hsalsa20 (unsigned char out, const unsigned char in, const mcci_tweetnacl_stream_key_t key, const unsigned char expansion)
	perform a core hash round of Salsa20 encryption. More...

static void	mcci_tweetnacl_core_salsa20 (unsigned char out, const unsigned char in, const mcci_tweetnacl_stream_key_t key, const unsigned char expansion)
	perform a core hash round of Salsa20 encryption. More...

static void	mcci_tweetnacl_onetimeauth (mcci_tweetnacl_onetimeauth_authenticator_t pAuth, const unsigned char pMessage, size_t nMessage, const mcci_tweetnacl_onetimeauth_key_t *pKey)
	Generate one-time authenticator for a given message and secret key. More...

static mcci_tweetnacl_result_t	mcci_tweetnacl_onetimeauth_verify (const mcci_tweetnacl_onetimeauth_authenticator_t pAuth, const unsigned char pMessage, size_t nMessage, const mcci_tweetnacl_onetimeauth_key_t *pKey)
	Verify message given one-time authenticator and secret key. More...

static void	mcci_tweetnacl_stream (unsigned char pOutText, size_t sizeText, const mcci_tweetnacl_stream_nonce_t pNonce, const mcci_tweetnacl_stream_key_t *pKey)
	Generate stream of crypto bytes. More...

static void	mcci_tweetnacl_stream_salsa20 (unsigned char pOutText, size_t sizeText, const mcci_tweetnacl_stream_nonce_t pNonce, const mcci_tweetnacl_stream_key_t *pKey)
	Generate stream of Salsa20 bytes. More...

static void	mcci_tweetnacl_stream_salsa20_xor (unsigned char pOutText, const unsigned char pInText, size_t sizeText, const mcci_tweetnacl_stream_nonce_t pNonce, const mcci_tweetnacl_stream_key_t pKey)
	encrypt or decrypt text using Salsa20 More...

static void	mcci_tweetnacl_stream_xor (unsigned char pOutText, const unsigned char pInText, size_t sizeText, const mcci_tweetnacl_stream_nonce_t pNonce, const mcci_tweetnacl_stream_key_t pKey)
	Encrypt or decrypt text (using xsalsa20) More...

Detailed Description

Function Documentation

◆ mcci_tweetnacl_core_hsalsa20()

static void mcci_tweetnacl_core_hsalsa20	(	unsigned char *	out,
		const unsigned char *	in,
		const mcci_tweetnacl_stream_key_t *	key,
		const unsigned char *	expansion
	)

inlinestatic

perform a core hash round of Salsa20 encryption.

Parameters

[out]	out	pointer to a 64-byte buffer
[in]	in	pointer to a 16-byte input value
[in]	key	pointer to the 32-byte key
[in]	expansion	pointer to a 16-byte expansion vector, normally "expand 32-byte k"

Note: Rarely used directly, but exported for convenience.

See also: http://www.crypto-it.net/eng/symmetric/salsa20.html

Definition at line 103 of file mcci_tweetnacl_stream.h.

References mcci_tweetnacl_stream_key_t::bytes.

◆ mcci_tweetnacl_core_salsa20()

static void mcci_tweetnacl_core_salsa20	(	unsigned char *	out,
		const unsigned char *	in,
		const mcci_tweetnacl_stream_key_t *	key,
		const unsigned char *	expansion
	)

inlinestatic

perform a core hash round of Salsa20 encryption.

Parameters

[out]	out	pointer to a 64-byte buffer
[in]	in	pointer to a 16-byte input value
[in]	key	pointer to the 32-byte key
[in]	expansion	pointer to a 16-byte expansion vector, normally either "expand 32-byte k" or "expand 16-byte k"

Note: Rarely used directly, but exported for convenience.

See also: http://www.crypto-it.net/eng/symmetric/salsa20.html

Definition at line 78 of file mcci_tweetnacl_stream.h.

References mcci_tweetnacl_stream_key_t::bytes.

◆ mcci_tweetnacl_onetimeauth()

static void mcci_tweetnacl_onetimeauth	(	mcci_tweetnacl_onetimeauth_authenticator_t *	pAuth,
		const unsigned char *	pMessage,
		size_t	nMessage,
		const mcci_tweetnacl_onetimeauth_key_t *	pKey
	)

inlinestatic

Generate one-time authenticator for a given message and secret key.

Parameters

[out]	pAuth	set to the authenticator code.
[in]	pMessage	the message to be authenticated.
[in]	nMessage	number of bytes in the message.
[in]	pKey	the secret key

See also: https://nacl.cr.yp.to/onetimeauth.html

Definition at line 75 of file mcci_tweetnacl_onetimeauth.h.

References mcci_tweetnacl_onetimeauth_key_t::bytes, and mcci_tweetnacl_onetimeauth_authenticator_t::bytes.

◆ mcci_tweetnacl_onetimeauth_verify()

static mcci_tweetnacl_result_t mcci_tweetnacl_onetimeauth_verify	(	const mcci_tweetnacl_onetimeauth_authenticator_t *	pAuth,
		const unsigned char *	pMessage,
		size_t	nMessage,
		const mcci_tweetnacl_onetimeauth_key_t *	pKey
	)

inlinestatic

Verify message given one-time authenticator and secret key.

Parameters

[out]	pAuth	set to the authenticator code.
[in]	pMessage	the message to be authenticated.
[in]	nMessage	number of bytes in the message.
[in]	pKey	the secret key

Returns: zero if valid, non-zero otherwise.

See also: https://nacl.cr.yp.to/onetimeauth.html

Definition at line 104 of file mcci_tweetnacl_onetimeauth.h.

References mcci_tweetnacl_onetimeauth_key_t::bytes, and mcci_tweetnacl_onetimeauth_authenticator_t::bytes.

◆ mcci_tweetnacl_stream()

static void mcci_tweetnacl_stream	(	unsigned char *	pOutText,
		size_t	sizeText,
		const mcci_tweetnacl_stream_nonce_t *	pNonce,
		const mcci_tweetnacl_stream_key_t *	pKey
	)

inlinestatic

Generate stream of crypto bytes.

Parameters

[out]	pOutText	pointer to buffer of size `sizeText` bytes.
[in]	sizeText	size of the output text buffer
[in]	pNonce	pointer to 8-byte nonce, followed by 8-byte index buffer
[in]	pKey	pointer to 32-byte key buffer.

See also: https://nacl.cr.yp.to/stream.html; https://www.xsalsa20.com/

Definition at line 188 of file mcci_tweetnacl_stream.h.

References mcci_tweetnacl_stream_key_t::bytes, and mcci_tweetnacl_stream_nonce_t::bytes.

◆ mcci_tweetnacl_stream_salsa20()

static void mcci_tweetnacl_stream_salsa20	(	unsigned char *	pOutText,
		size_t	sizeText,
		const mcci_tweetnacl_stream_nonce_t *	pNonce,
		const mcci_tweetnacl_stream_key_t *	pKey
	)

inlinestatic

Generate stream of Salsa20 bytes.

Parameters

[out]	pOutText	pointer to buffer of size `sizeText` bytes.
[in]	sizeText	size of the input and output text buffers
[in]	pNonce	pointer to 8-byte nonce buffer
[in]	pKey	pointer to 32-byte key buffer.

Note: generally not used directly; use mcci_tweetnacl_stream() instead.

See also: http://www.crypto-it.net/eng/symmetric/salsa20.html

Definition at line 165 of file mcci_tweetnacl_stream.h.

References mcci_tweetnacl_stream_key_t::bytes, and mcci_tweetnacl_stream_nonce_t::bytes.

◆ mcci_tweetnacl_stream_salsa20_xor()

static void mcci_tweetnacl_stream_salsa20_xor	(	unsigned char *	pOutText,
		const unsigned char *	pInText,
		size_t	sizeText,
		const mcci_tweetnacl_stream_nonce_t *	pNonce,
		const mcci_tweetnacl_stream_key_t *	pKey
	)

inlinestatic

encrypt or decrypt text using Salsa20

Parameters

[out]	pOutText	pointer to buffer of size `sizeText` bytes.
[in]	pInText	pointer to buffer of size `sizeText` bytes. If NULL, a string of zero bytes will be substituted.
[in]	sizeText	size of the input and output text buffers
[in]	pNonce	pointer to 8-byte nonce buffer
[in]	pKey	pointer to 32-byte key buffer.

Note: generally not used directly; use mcci_tweetnacl_stream_xor() instead.

See also: http://www.crypto-it.net/eng/symmetric/salsa20.html

Definition at line 134 of file mcci_tweetnacl_stream.h.

References mcci_tweetnacl_stream_key_t::bytes, and mcci_tweetnacl_stream_nonce_t::bytes.

◆ mcci_tweetnacl_stream_xor()

static void mcci_tweetnacl_stream_xor	(	unsigned char *	pOutText,
		const unsigned char *	pInText,
		size_t	sizeText,
		const mcci_tweetnacl_stream_nonce_t *	pNonce,
		const mcci_tweetnacl_stream_key_t *	pKey
	)

inlinestatic

Encrypt or decrypt text (using xsalsa20)

Parameters

[out]	pOutText	pointer to buffer of size `sizeText` bytes.
[in]	pInText	pointer to buffer of size `sizeText` bytes.
[in]	sizeText	size of the output text buffer
[in]	pNonce	pointer to 8-byte nonce, followed by 8-byte index buffer
[in]	pKey	pointer to 32-byte key buffer.

See also: https://nacl.cr.yp.to/stream.html; https://www.xsalsa20.com/; crypto_onetimeauth

Definition at line 219 of file mcci_tweetnacl_stream.h.

References mcci_tweetnacl_stream_key_t::bytes, and mcci_tweetnacl_stream_nonce_t::bytes.

Data Structures

Functions

Detailed Description

Function Documentation

◆ mcci_tweetnacl_core_hsalsa20()

◆ mcci_tweetnacl_core_salsa20()

◆ mcci_tweetnacl_onetimeauth()

◆ mcci_tweetnacl_onetimeauth_verify()

◆ mcci_tweetnacl_stream()

◆ mcci_tweetnacl_stream_salsa20()

◆ mcci_tweetnacl_stream_salsa20_xor()

◆ mcci_tweetnacl_stream_xor()