#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