mirror of
https://github.com/urbit/shrub.git
synced 2024-12-19 08:32:39 +03:00
45 lines
1.6 KiB
C
45 lines
1.6 KiB
C
|
#ifndef DEFINEMACROS_H
|
||
|
|
#define DEFINEMACROS_H
|
||
|
|
|
||
|
|
/*** Helper macros to define SHA3 and SHAKE instances. ***/
|
||
|
|
#define defshake(bits) \
|
||
|
|
int shake##bits(uint8_t* out, size_t outlen, \
|
||
|
|
const uint8_t* in, size_t inlen) { \
|
||
|
|
return hash(out, outlen, in, inlen, 200 - (bits / 4), 0x1f); \
|
||
|
|
}
|
||
|
|
#define defsha3(bits) \
|
||
|
|
int sha3_##bits(uint8_t* out, size_t outlen, \
|
||
|
|
const uint8_t* in, size_t inlen) { \
|
||
|
|
if (outlen > (bits/8)) { \
|
||
|
|
return -1; \
|
||
|
|
} \
|
||
|
|
return hash(out, outlen, in, inlen, 200 - (bits / 4), 0x06); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define defkeccak(bits) \
|
||
|
|
int keccak_##bits(uint8_t* out, size_t outlen, \
|
||
|
|
const uint8_t* in, size_t inlen) { \
|
||
|
|
if (outlen > (bits/8)) { \
|
||
|
|
return -1; \
|
||
|
|
} \
|
||
|
|
return hash(out, outlen, in, inlen, 200 - (bits / 4), 0x01); \
|
||
|
|
}
|
||
|
|
|
||
|
|
/*** FIPS202 SHAKE VOFs ***/
|
||
|
|
defshake(128)
|
||
|
|
defshake(256)
|
||
|
|
|
||
|
|
/*** FIPS202 SHA3 FOFs ***/
|
||
|
|
defsha3(224)
|
||
|
|
defsha3(256)
|
||
|
|
defsha3(384)
|
||
|
|
defsha3(512)
|
||
|
|
|
||
|
|
/*** Non FIP202 SHA3 (KECCAK) FOFs ***/
|
||
|
|
defkeccak(224)
|
||
|
|
defkeccak(256)
|
||
|
|
defkeccak(384)
|
||
|
|
defkeccak(512)
|
||
|
|
|
||
|
|
#endif // DEFINEMACROS_H
|