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45 lines
1.6 KiB
C
45 lines
1.6 KiB
C
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#ifndef DEFINEMACROS_H
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#define DEFINEMACROS_H
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/*** Helper macros to define SHA3 and SHAKE instances. ***/
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#define defshake(bits) \
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int shake##bits(uint8_t* out, size_t outlen, \
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const uint8_t* in, size_t inlen) { \
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return hash(out, outlen, in, inlen, 200 - (bits / 4), 0x1f); \
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}
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#define defsha3(bits) \
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int sha3_##bits(uint8_t* out, size_t outlen, \
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const uint8_t* in, size_t inlen) { \
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if (outlen > (bits/8)) { \
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return -1; \
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} \
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return hash(out, outlen, in, inlen, 200 - (bits / 4), 0x06); \
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}
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#define defkeccak(bits) \
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int keccak_##bits(uint8_t* out, size_t outlen, \
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const uint8_t* in, size_t inlen) { \
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if (outlen > (bits/8)) { \
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return -1; \
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} \
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return hash(out, outlen, in, inlen, 200 - (bits / 4), 0x01); \
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}
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/*** FIPS202 SHAKE VOFs ***/
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defshake(128)
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defshake(256)
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/*** FIPS202 SHA3 FOFs ***/
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defsha3(224)
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defsha3(256)
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defsha3(384)
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defsha3(512)
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/*** Non FIP202 SHA3 (KECCAK) FOFs ***/
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defkeccak(224)
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defkeccak(256)
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defkeccak(384)
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defkeccak(512)
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#endif // DEFINEMACROS_H
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