config.h
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#ifndef __CONFIG_H__
#define __CONFIG_H__
#define CRYPTO_AEAD
//#define CRYPTO_HASH
#define MAX_MESSAGE_LENGTH 128
#define STATE_INBITS 256
/* For CRYPTO_AEAD */
#define CRYPTO_KEYBITS 128
/* For CRYPTO_HASH */
#define CRYPTO_BITS 256
#define STATE_INBYTES ((STATE_INBITS + 7) / 8)
#define ROW_INBITS ((STATE_INBITS + 3) / 4)
#define ROW_INBYTES ((ROW_INBITS + 7) / 8)
/* For CRYPTO_AEAD */
#define CRYPTO_KEYBYTES ((CRYPTO_KEYBITS + 7) / 8)
#define CRYPTO_NSECBYTES 0
#define CRYPTO_NPUBBYTES CRYPTO_KEYBYTES
#define CRYPTO_ABYTES CRYPTO_KEYBYTES
#define CRYPTO_NOOVERLAP 1
#define MAX_ASSOCIATED_DATA_LENGTH 32
#define MAX_CIPHER_LENGTH (MAX_MESSAGE_LENGTH + CRYPTO_ABYTES)
#define TAG_MATCH 0
#define TAG_UNMATCH -1
#define OTHER_FAILURES -2
/* For CRYPTO_HASH */
#define CRYPTO_BYTES ((CRYPTO_BITS + 7) / 8)
#define DOMAIN_BITS 0x80
#define PAD_BITS 0x01
#define S384_R192_BITS 0x80
#if (STATE_INBITS==256)
#define C1 1
#define C2 8
#define C3 25
#elif (STATE_INBITS==384)
#define C1 1
#define C2 8
#define C3 55
#elif (STATE_INBITS==512)
#define C1 1
#define C2 16
#define C3 25
#else
#error "Not specified state size"
#endif
#ifdef CRYPTO_AEAD
/* For CRYPTO_AEAD */
#define KEY_INBITS (CRYPTO_KEYBYTES * 8)
#define KEY_INBYTES (CRYPTO_KEYBYTES)
#define NONCE_INBITS (CRYPTO_NPUBBYTES * 8)
#define NONCE_INBYTES (CRYPTO_NPUBBYTES)
#define TAG_INBITS (CRYPTO_ABYTES * 8)
#define TAG_INBYTES (CRYPTO_ABYTES)
#if (KEY_INBITS==128) && (STATE_INBITS==256)
#define RATE_INBITS 64
#define NR_0 52
#define NR_i 28
#define NR_f 32
#elif (KEY_INBITS==128) && (STATE_INBITS==384)
#define RATE_INBITS 192
#define NR_0 76
#define NR_i 28
#define NR_f 32
#elif (KEY_INBITS==192) && (STATE_INBITS==384)
#define RATE_INBITS 96
#define NR_0 76
#define NR_i 40
#define NR_f 44
#elif (KEY_INBITS==256) && (STATE_INBITS==512)
#define RATE_INBITS 128
#define NR_0 100
#define NR_i 52
#define NR_f 56
#else
#error "Not specified key size and state size"
#endif
#define RATE_INBYTES ((RATE_INBITS + 7) / 8)
#define SQUEEZE_RATE_INBYTES TAG_INBYTES
#endif
#ifdef CRYPTO_HASH
/* For CRYPTO_HASH */
#define HASH_DIGEST_INBITS (CRYPTO_BYTES * 8)
#if (HASH_DIGEST_INBITS==256) && (STATE_INBITS==256)
#define HASH_RATE_INBITS 32
#define HASH_SQUEEZE_RATE_INBITS 128
#define NR_h 68
#elif (HASH_DIGEST_INBITS==256) && (STATE_INBITS==384)
#define HASH_RATE_INBITS 128
#define HASH_SQUEEZE_RATE_INBITS 128
#define NR_h 80
#elif (HASH_DIGEST_INBITS==384) && (STATE_INBITS==384)
#define HASH_RATE_INBITS 48
#define HASH_SQUEEZE_RATE_INBITS 192
#define NR_h 104
#elif (HASH_DIGEST_INBITS==512) && (STATE_INBITS==512)
#define HASH_RATE_INBITS 64
#define HASH_SQUEEZE_RATE_INBITS 256
#define NR_h 140
#else
#error "Not specified hash digest size and state size"
#endif
#define HASH_RATE_INBYTES ((HASH_RATE_INBITS + 7) / 8)
#define HASH_SQUEEZE_RATE_INBYTES ((HASH_SQUEEZE_RATE_INBITS + 7) / 8)
#endif
#define TAG_MATCH 0
#define TAG_UNMATCH -1
#define OTHER_FAILURES -2
#endif