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Avoid unreferenced item warnings in ECDSA when ALT is in use

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Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>
This commit is contained in:
Steven Cooreman 2021-01-11 17:11:39 +01:00
parent 15c39e53e5
commit a82e56aa91
1 changed files with 8 additions and 0 deletions
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8
library/ecdsa.c
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@ -247,6 +247,9 @@ static void ecdsa_restart_det_free( mbedtls_ecdsa_restart_det_ctx *ctx )
#endif /* MBEDTLS_ECP_RESTARTABLE */ #endif /* MBEDTLS_ECP_RESTARTABLE */
#if defined(MBEDTLS_ECDSA_DETERMINISTIC) || \
!defined(MBEDTLS_ECDSA_SIGN_ALT) || \
!defined(MBEDTLS_ECDSA_VERIFY_ALT)
/* /*
* Derive a suitable integer for group grp from a buffer of length len * 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 * SEC1 4.1.3 step 5 aka SEC1 4.1.4 step 3
@ -269,6 +272,7 @@ static int derive_mpi( const mbedtls_ecp_group *grp, mbedtls_mpi *x,
cleanup: cleanup:
return( ret ); return( ret );
} }
#endif /* ECDSA_DETERMINISTIC || !ECDSA_SIGN_ALT || !ECDSA_VERIFY_ALT */
#if !defined(MBEDTLS_ECDSA_SIGN_ALT) #if !defined(MBEDTLS_ECDSA_SIGN_ALT)
/* /*
@ -780,6 +784,8 @@ int mbedtls_ecdsa_write_signature_restartable( mbedtls_ecdsa_context *ctx,
(void) md_alg; (void) md_alg;
#if defined(MBEDTLS_ECDSA_SIGN_ALT) #if defined(MBEDTLS_ECDSA_SIGN_ALT)
(void) rs_ctx;
MBEDTLS_MPI_CHK( mbedtls_ecdsa_sign( &ctx->grp, &r, &s, &ctx->d, MBEDTLS_MPI_CHK( mbedtls_ecdsa_sign( &ctx->grp, &r, &s, &ctx->d,
hash, hlen, f_rng, p_rng ) ); hash, hlen, f_rng, p_rng ) );
#else #else
@ -888,6 +894,8 @@ int mbedtls_ecdsa_read_signature_restartable( mbedtls_ecdsa_context *ctx,
goto cleanup; goto cleanup;
} }
#if defined(MBEDTLS_ECDSA_VERIFY_ALT) #if defined(MBEDTLS_ECDSA_VERIFY_ALT)
(void) rs_ctx;
if( ( ret = mbedtls_ecdsa_verify( &ctx->grp, hash, hlen, if( ( ret = mbedtls_ecdsa_verify( &ctx->grp, hash, hlen,
&ctx->Q, &r, &s ) ) != 0 ) &ctx->Q, &r, &s ) ) != 0 )
goto cleanup; goto cleanup;