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Fix output buffer length check in pk_opaque_sign_wrap

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This commit is contained in:
Gilles Peskine 2019-11-08 17:33:29 +01:00
parent 5460565be4
commit 5bcb24b56e
1 changed files with 1 additions and 1 deletions
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2
library/pk_wrap.c
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@ -1019,7 +1019,7 @@ static int pk_opaque_sign_wrap( void *ctx, mbedtls_md_type_t md_alg,
return( mbedtls_psa_err_translate_pk( status ) ); return( mbedtls_psa_err_translate_pk( status ) );
buf_len = MBEDTLS_ECDSA_MAX_SIG_LEN( psa_get_key_bits( &attributes ) ); buf_len = MBEDTLS_ECDSA_MAX_SIG_LEN( psa_get_key_bits( &attributes ) );
psa_reset_key_attributes( &attributes ); psa_reset_key_attributes( &attributes );
if( *sig_len > MBEDTLS_PK_SIGNATURE_MAX_SIZE ) if( buf_len > MBEDTLS_PK_SIGNATURE_MAX_SIZE )
return( MBEDTLS_ERR_PK_BAD_INPUT_DATA ); return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
/* make the signature */ /* make the signature */