crypto.c File Reference

Public interface for digests and encodings used in XEPs. More...

Data Structures
struct	xmpp_sha1_t

Functions
static char *	digest_to_string (const uint8_t *digest, char *s, size_t len)
static char *	digest_to_string_alloc (xmpp_ctx_t *ctx, const uint8_t *digest)
char *	xmpp_sha1 (xmpp_ctx_t *ctx, const unsigned char *data, size_t len)
	Compute SHA1 message digest.
void	xmpp_sha1_digest (const unsigned char *data, size_t len, unsigned char *digest)
	Compute SHA1 message digest.
xmpp_sha1_t *	xmpp_sha1_new (xmpp_ctx_t *ctx)
	Create new SHA1 object.
void	xmpp_sha1_free (xmpp_sha1_t *sha1)
	Destroy SHA1 object.
void	xmpp_sha1_update (xmpp_sha1_t *sha1, const unsigned char *data, size_t len)
	Update SHA1 context with the next portion of data.
void	xmpp_sha1_final (xmpp_sha1_t *sha1)
	Finish SHA1 computation.
char *	xmpp_sha1_to_string (xmpp_sha1_t *sha1, char *s, size_t slen)
	Return message digest rendered as a string.
char *	xmpp_sha1_to_string_alloc (xmpp_sha1_t *sha1)
	Return message digest rendered as a string.
void	xmpp_sha1_to_digest (xmpp_sha1_t *sha1, unsigned char *digest)
	Stores message digest to a user's buffer.
static size_t	base64_encoded_len (size_t len)
static char *	base64_encode (xmpp_ctx_t *ctx, const unsigned char *buffer, size_t len)
static size_t	base64_decoded_len (const char *buffer, size_t len)
static void	base64_decode (xmpp_ctx_t *ctx, const char *buffer, size_t len, unsigned char **out, size_t *outlen)
char *	xmpp_base64_encode (xmpp_ctx_t *ctx, const unsigned char *data, size_t len)
	Base64 encoding routine.
char *	xmpp_base64_decode_str (xmpp_ctx_t *ctx, const char *base64, size_t len)
	Base64 decoding routine.
void	xmpp_base64_decode_bin (xmpp_ctx_t *ctx, const char *base64, size_t len, unsigned char **out, size_t *outlen)
	Base64 decoding routine.

Variables
static const unsigned char	_base64_invcharmap [256]
static const char	_base64_charmap [65]

Detailed Description

Public interface for digests and encodings used in XEPs.

Function Documentation

digest_to_string()

static char * digest_to_string ( const uint8_t *  digest, char *  s, size_t  len  )

static

digest_to_string_alloc()

static char * digest_to_string_alloc ( xmpp_ctx_t *  ctx, const uint8_t *  digest  )

static

base64_encoded_len()

static size_t base64_encoded_len ( size_t  len )

static

base64_encode()

static char * base64_encode ( xmpp_ctx_t *  ctx, const unsigned char *  buffer, size_t  len  )

static

base64_decoded_len()

static size_t base64_decoded_len ( const char *  buffer, size_t  len  )

static

base64_decode()

static void base64_decode ( xmpp_ctx_t *  ctx, const char *  buffer, size_t  len, unsigned char **  out, size_t *  outlen  )

static

Variable Documentation

_base64_invcharmap

const unsigned char _base64_invcharmap[256]

static

Initial value:

= {
    65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
    65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
    65, 65, 65, 65, 65, 62, 65, 65, 65, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60,
    61, 65, 65, 65, 64, 65, 65, 65, 0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10,
    11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 65, 65, 65, 65,
    65, 65, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42,
    43, 44, 45, 46, 47, 48, 49, 50, 51, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
    65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
    65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
    65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
    65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
    65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
    65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
    65, 65, 65, 65, 65, 65, 65, 65, 65}

_base64_charmap

const char _base64_charmap[65]

static

Initial value:

= {
    'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
    'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
    'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
    'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
    '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/', '='}