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Remove unused function poly_getnoise_eta1 #156

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Sep 24, 2024
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Remove unused function poly_getnoise_eta1 #156

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19 changes: 0 additions & 19 deletions mlkem/poly.c
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Original file line number Diff line number Diff line change
Expand Up @@ -372,25 +372,6 @@ void poly_tomsg(uint8_t msg[KYBER_INDCPA_MSGBYTES], const poly *a)
}
}

/*************************************************
* Name: poly_getnoise_eta1
*
* Description: Sample a polynomial deterministically from a seed and a nonce,
* with output polynomial close to centered binomial distribution
* with parameter KYBER_ETA1
*
* Arguments: - poly *r: pointer to output polynomial
* - const uint8_t *seed: pointer to input seed
* (of length KYBER_SYMBYTES bytes)
* - uint8_t nonce: one-byte input nonce
**************************************************/
void poly_getnoise_eta1(poly *r, const uint8_t seed[KYBER_SYMBYTES], uint8_t nonce)
{
uint8_t buf[KYBER_ETA1 * KYBER_N / 4];
prf(buf, sizeof(buf), seed, nonce);
poly_cbd_eta1(r, buf);
}

/*************************************************
* Name: poly_getnoise_eta1_4x
*
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3 changes: 0 additions & 3 deletions mlkem/poly.h
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Expand Up @@ -93,9 +93,6 @@ void poly_frommsg(poly *r, const uint8_t msg[KYBER_INDCPA_MSGBYTES]);
#define poly_tomsg KYBER_NAMESPACE(poly_tomsg)
void poly_tomsg(uint8_t msg[KYBER_INDCPA_MSGBYTES], const poly *r);

#define poly_getnoise_eta1 KYBER_NAMESPACE(poly_getnoise_eta1)
void poly_getnoise_eta1(poly *r, const uint8_t seed[KYBER_SYMBYTES], uint8_t nonce);

#define poly_getnoise_eta1_4x KYBER_NAMESPACE(poly_getnoise_eta1_4x)
void poly_getnoise_eta1_4x(poly *r0,
poly *r1,
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