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Merge pull request #315 from gilles-peskine-arm/pk_signature_max_size

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Define MBEDTLS_PK_SIGNATURE_MAX_SIZE
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Gilles Peskine
2019-11-13 12:13:57 +01:00
committed by GitHub
parent 7a9899f1bd 9db14fa478
commit f0d87001d0
7 changed files with 179 additions and 49 deletions
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4
library/pk_wrap.c
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@ -774,6 +774,8 @@ static int rsa_alt_sign_wrap( void *ctx, mbedtls_md_type_t md_alg,
#endif /* SIZE_MAX > UINT_MAX */
*sig_len = rsa_alt->key_len_func( rsa_alt->key );
if( *sig_len > MBEDTLS_PK_SIGNATURE_MAX_SIZE )
return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
return( rsa_alt->sign_func( rsa_alt->key, f_rng, p_rng, MBEDTLS_RSA_PRIVATE,
md_alg, (unsigned int) hash_len, hash, sig ) );
@ -1017,6 +1019,8 @@ static int pk_opaque_sign_wrap( void *ctx, mbedtls_md_type_t md_alg,
return( mbedtls_psa_err_translate_pk( status ) );
buf_len = MBEDTLS_ECDSA_MAX_SIG_LEN( psa_get_key_bits( &attributes ) );
psa_reset_key_attributes( &attributes );
if( buf_len > MBEDTLS_PK_SIGNATURE_MAX_SIZE )
return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
/* make the signature */
status = psa_asymmetric_sign( *key, alg, hash, hash_len,