diff options
Diffstat (limited to 'src/include/openssl/bio.h')
| -rw-r--r-- | src/include/openssl/bio.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/include/openssl/bio.h b/src/include/openssl/bio.h index b70b42f..a37077c 100644 --- a/src/include/openssl/bio.h +++ b/src/include/openssl/bio.h @@ -338,6 +338,21 @@ OPENSSL_EXPORT int BIO_hexdump(BIO *bio, const uint8_t *data, size_t len, * using human readable strings where possible. */ OPENSSL_EXPORT void BIO_print_errors(BIO *bio); +/* BIO_read_asn1 reads a single ASN.1 object from |bio|. If successful it sets + * |*out| to be an allocated buffer (that should be freed with |OPENSSL_free|), + * |*out_size| to the length, in bytes, of that buffer and returns one. + * Otherwise it returns zero. + * + * If the length of the object is greater than |max_len| or 2^32 then the + * function will fail. Long-form tags are not supported. If the length of the + * object is indefinite the full contents of |bio| are read, unless it would be + * greater than |max_len|, in which case the function fails. + * + * If the function fails then some unknown amount of data may have been read + * from |bio|. */ +OPENSSL_EXPORT int BIO_read_asn1(BIO *bio, uint8_t **out, size_t *out_len, + size_t max_len); + /* Memory BIOs. * |