/home/dko/projects/mobilec/trunk/src/security/xyssl-0.9/include/xyssl/sha2.h File Reference

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Data Structures

struct sha2_context

SHA-256 context structure. More...

Functions

void sha2_starts (sha2_context *ctx, int is224)

SHA-256 context setup.

void sha2_update (sha2_context *ctx, unsigned char *input, int ilen)

SHA-256 process buffer.

void sha2_finish (sha2_context *ctx, unsigned char output[32])

SHA-256 final digest.

void sha2 (unsigned char *input, int ilen, unsigned char output[32], int is224)

Output = SHA-256( input buffer ).

int sha2_file (char *path, unsigned char output[32], int is224)

Output = SHA-256( file contents ).

void sha2_hmac_starts (sha2_context *ctx, unsigned char *key, int keylen, int is224)

SHA-256 HMAC context setup.

void sha2_hmac_update (sha2_context *ctx, unsigned char *input, int ilen)

SHA-256 HMAC process buffer.

void sha2_hmac_finish (sha2_context *ctx, unsigned char output[32])

SHA-256 HMAC final digest.

void sha2_hmac (unsigned char *key, int keylen, unsigned char *input, int ilen, unsigned char output[32], int is224)

Output = HMAC-SHA-256( hmac key, input buffer ).

int sha2_self_test (int verbose)

Checkup routine.

Detailed Description

Definition in file sha2.h.

Function Documentation

void sha2 ( unsigned char * input,

int ilen,

unsigned char output[32],

int is224

)

Output = SHA-256( input buffer ).

Parameters:: input buffer holding the data

ilen length of the input data

output SHA-224/256 checksum result

is224 0 = use SHA256, 1 = use SHA224

Referenced by main().

int sha2_file ( char * path,

unsigned char output[32],

int is224

)

Output = SHA-256( file contents ).

Parameters:: path input file name

output SHA-224/256 checksum result

is224 0 = use SHA256, 1 = use SHA224

Returns:: 0 if successful, 1 if fopen failed, or 2 if fread failed

Referenced by sha2_wrapper().

void sha2_finish ( sha2_context * ctx,

unsigned char output[32]

)

SHA-256 final digest.

Parameters:: ctx SHA-256 context

output SHA-224/256 checksum result

Referenced by main().

void sha2_hmac ( unsigned char * key,

int keylen,

unsigned char * input,

int ilen,

unsigned char output[32],

int is224

)

Output = HMAC-SHA-256( hmac key, input buffer ).

Parameters:: key HMAC secret key

keylen length of the HMAC key

input buffer holding the data

ilen length of the input data

output HMAC-SHA-224/256 result

is224 0 = use SHA256, 1 = use SHA224

void sha2_hmac_finish ( sha2_context * ctx,

unsigned char output[32]

)

SHA-256 HMAC final digest.

Parameters:: ctx HMAC context

output SHA-224/256 HMAC checksum result

Referenced by main().

void sha2_hmac_starts ( sha2_context * ctx,

unsigned char * key,

int keylen,

int is224

)

SHA-256 HMAC context setup.

Parameters:: ctx HMAC context to be initialized

key HMAC secret key

keylen length of the HMAC key

is224 0 = use SHA256, 1 = use SHA224

Referenced by main().

void sha2_hmac_update ( sha2_context * ctx,

unsigned char * input,

int ilen

)

SHA-256 HMAC process buffer.

Parameters:: ctx HMAC context

input buffer holding the data

ilen length of the input data

Referenced by main().

int sha2_self_test ( int verbose )

Checkup routine.

Returns:: 0 if successful, or 1 if the test failed

Referenced by main().

void sha2_starts ( sha2_context * ctx,

int is224

)

SHA-256 context setup.

Parameters:: ctx context to be initialized

is224 0 = use SHA256, 1 = use SHA224

Referenced by main().

void sha2_update ( sha2_context * ctx,

unsigned char * input,

int ilen

)

SHA-256 process buffer.

Parameters:: ctx SHA-256 context

input buffer holding the data

ilen length of the input data

Referenced by main().

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