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Remove MBEDTLS_ECDSA_SIGN_ALT

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Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>
This commit is contained in:
Thomas Daubney 2024-07-18 12:36:49 +01:00
parent e3013da240
commit 4864424fea
4 changed files with 1 additions and 26 deletions
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4
include/mbedtls/check_config.h
View File

@ -184,9 +184,7 @@
#error "MBEDTLS_ECJPAKE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ECP_RESTARTABLE) && \
( defined(MBEDTLS_ECDSA_SIGN_ALT) || \
defined(MBEDTLS_ECDSA_GENKEY_ALT) )
#if defined(MBEDTLS_ECP_RESTARTABLE) && defined(MBEDTLS_ECDSA_GENKEY_ALT)
#error "MBEDTLS_ECP_RESTARTABLE defined, but it cannot coexist with an alternative ECP implementation"
#endif

1
include/mbedtls/mbedtls_config.h
View File

@ -350,7 +350,6 @@
*/
//#define MBEDTLS_TIMING_ALT
//#define MBEDTLS_ECDSA_SIGN_ALT
//#define MBEDTLS_ECDSA_GENKEY_ALT
/**

3
tf-psa-crypto/drivers/builtin/include/mbedtls/ecdsa.h
View File

@ -211,7 +211,6 @@ int mbedtls_ecdsa_sign_det_ext(mbedtls_ecp_group *grp, mbedtls_mpi *r,
void *p_rng_blind);
#endif /* MBEDTLS_ECDSA_DETERMINISTIC */
#if !defined(MBEDTLS_ECDSA_SIGN_ALT)
/**
* \brief This function computes the ECDSA signature of a
* previously-hashed message, in a restartable way.
@ -277,8 +276,6 @@ int mbedtls_ecdsa_sign_restartable(
void *p_rng_blind,
mbedtls_ecdsa_restart_ctx *rs_ctx);
#endif /* !MBEDTLS_ECDSA_SIGN_ALT */
#if defined(MBEDTLS_ECDSA_DETERMINISTIC)
/**

19
tf-psa-crypto/drivers/builtin/src/ecdsa.c
View File

@ -193,8 +193,6 @@ static void ecdsa_restart_det_free(mbedtls_ecdsa_restart_det_ctx *ctx)
#endif /* MBEDTLS_ECP_RESTARTABLE */
#if defined(MBEDTLS_ECDSA_DETERMINISTIC) || \
!defined(MBEDTLS_ECDSA_SIGN_ALT)
/*
* Derive a suitable integer for group grp from a buffer of length len
* SEC1 4.1.3 step 5 aka SEC1 4.1.4 step 3
@ -219,7 +217,6 @@ static int derive_mpi(const mbedtls_ecp_group *grp, mbedtls_mpi *x,
cleanup:
return ret;
}
#endif /* ECDSA_DETERMINISTIC || !ECDSA_SIGN_ALT */
int mbedtls_ecdsa_can_do(mbedtls_ecp_group_id gid)
{
@ -234,7 +231,6 @@ int mbedtls_ecdsa_can_do(mbedtls_ecp_group_id gid)
}
}
#if !defined(MBEDTLS_ECDSA_SIGN_ALT)
/*
* Compute ECDSA signature of a hashed message (SEC1 4.1.3)
* Obviously, compared to SEC1 4.1.3, we skip step 4 (hash message)
@ -384,7 +380,6 @@ int mbedtls_ecdsa_sign(mbedtls_ecp_group *grp, mbedtls_mpi *r, mbedtls_mpi *s,
return mbedtls_ecdsa_sign_restartable(grp, r, s, d, buf, blen,
f_rng, p_rng, f_rng, p_rng, NULL);
}
#endif /* !MBEDTLS_ECDSA_SIGN_ALT */
#if defined(MBEDTLS_ECDSA_DETERMINISTIC)
/*
@ -443,16 +438,9 @@ int mbedtls_ecdsa_sign_det_restartable(mbedtls_ecp_group *grp,
sign:
#endif
#if defined(MBEDTLS_ECDSA_SIGN_ALT)
(void) f_rng_blind;
(void) p_rng_blind;
ret = mbedtls_ecdsa_sign(grp, r, s, d, buf, blen,
mbedtls_hmac_drbg_random, p_rng);
#else
ret = mbedtls_ecdsa_sign_restartable(grp, r, s, d, buf, blen,
mbedtls_hmac_drbg_random, p_rng,
f_rng_blind, p_rng_blind, rs_ctx);
#endif /* MBEDTLS_ECDSA_SIGN_ALT */
cleanup:
mbedtls_hmac_drbg_free(&rng_ctx);
@ -657,17 +645,10 @@ int mbedtls_ecdsa_write_signature_restartable(mbedtls_ecdsa_context *ctx,
#else
(void) md_alg;
#if defined(MBEDTLS_ECDSA_SIGN_ALT)
(void) rs_ctx;
MBEDTLS_MPI_CHK(mbedtls_ecdsa_sign(&ctx->grp, &r, &s, &ctx->d,
hash, hlen, f_rng, p_rng));
#else
/* Use the same RNG for both blinding and ephemeral key generation */
MBEDTLS_MPI_CHK(mbedtls_ecdsa_sign_restartable(&ctx->grp, &r, &s, &ctx->d,
hash, hlen, f_rng, p_rng, f_rng,
p_rng, rs_ctx));
#endif /* MBEDTLS_ECDSA_SIGN_ALT */
#endif /* MBEDTLS_ECDSA_DETERMINISTIC */
MBEDTLS_MPI_CHK(ecdsa_signature_to_asn1(&r, &s, sig, sig_size, slen));