SHA256
SHA256 utilities. More...
Modules | |
Types | |
SHA256 data types. | |
Functions | |
void | gos_sha256_starts (gos_sha256_context_t *ctx, int32_t is224) |
SHA-256 context setup. More... | |
void | gos_sha256_update (gos_sha256_context_t *ctx, const unsigned char *input, uint32_t ilen) |
SHA-256 process buffer. More... | |
void | gos_sha256_finish (gos_sha256_context_t *ctx, unsigned char output[32]) |
SHA-256 final digest. More... | |
void | gos_sha256 (const unsigned char *input, uint32_t ilen, unsigned char output[32], int32_t is224) |
Output = SHA-256( input buffer ) More... | |
void | gos_sha256_hmac_starts (gos_sha256_hmac_context_t *ctx, const unsigned char *key, uint32_t keylen, int32_t is224) |
SHA-256 HMAC context setup. More... | |
void | gos_sha256_hmac_update (gos_sha256_hmac_context_t *ctx, const unsigned char *input, uint32_t ilen) |
SHA-256 HMAC process buffer. More... | |
void | gos_sha256_hmac_finish (gos_sha256_hmac_context_t *ctx, unsigned char output[32]) |
SHA-256 HMAC final digest. More... | |
void | gos_sha256_hmac (const unsigned char *key, uint32_t keylen, const unsigned char *input, uint32_t ilen, unsigned char output[32], int32_t is224) |
Output = HMAC-SHA-256( hmac key, input buffer ) More... | |
Detailed Description
SHA256 utilities.
Function Documentation
◆ gos_sha256()
void gos_sha256 | ( | const unsigned char * | input, |
uint32_t | ilen, |
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unsigned char | output[32], |
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int32_t | is224 |
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) |
Output = SHA-256( input buffer )
- Parameters
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input
buffer holding the data ilen
length of the input data output
SHA-224/256 checksum result is224
0 = use SHA256, 1 = use SHA224
◆ gos_sha256_finish()
void gos_sha256_finish | ( | gos_sha256_context_t * | ctx, |
unsigned char | output[32] |
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) |
SHA-256 final digest.
- Parameters
-
ctx
SHA-256 context output
SHA-224/256 checksum result
◆ gos_sha256_hmac()
void gos_sha256_hmac | ( | const unsigned char * | key, |
uint32_t | keylen, |
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const unsigned char * | input, |
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uint32_t | ilen, |
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unsigned char | output[32], |
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int32_t | is224 |
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) |
Output = HMAC-SHA-256( hmac key, input buffer )
- Parameters
-
key
HMAC secret key keylen
Length of key input
buffer holding the data ilen
Length of input buffer output
HMAC-SHA-224/256 result is224
0 = use SHA256, 1 = use SHA224
◆ gos_sha256_hmac_finish()
void gos_sha256_hmac_finish | ( | gos_sha256_hmac_context_t * | ctx, |
unsigned char | output[32] |
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) |
SHA-256 HMAC final digest.
- Parameters
-
ctx
HMAC context output
SHA-224/256 HMAC checksum result
◆ gos_sha256_hmac_starts()
void gos_sha256_hmac_starts | ( | gos_sha256_hmac_context_t * | ctx, |
const unsigned char * | key, |
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uint32_t | keylen, |
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int32_t | is224 |
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) |
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
◆ gos_sha256_hmac_update()
void gos_sha256_hmac_update | ( | gos_sha256_hmac_context_t * | ctx, |
const unsigned char * | input, |
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uint32_t | ilen |
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) |
SHA-256 HMAC process buffer.
- Parameters
-
ctx
HMAC context input
buffer holding the data ilen
length of the input data
◆ gos_sha256_starts()
void gos_sha256_starts | ( | gos_sha256_context_t * | ctx, |
int32_t | is224 |
||
) |
SHA-256 context setup.
- Parameters
-
ctx
context to be initialized is224
0 = use SHA256, 1 = use SHA224
◆ gos_sha256_update()
void gos_sha256_update | ( | gos_sha256_context_t * | ctx, |
const unsigned char * | input, |
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uint32_t | ilen |
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) |
SHA-256 process buffer.
- Parameters
-
ctx
SHA-256 context input
buffer holding the data ilen
length of the input data