diff options
Diffstat (limited to 'doc/crypto/buffer.pod')
| -rw-r--r-- | doc/crypto/buffer.pod | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/doc/crypto/buffer.pod b/doc/crypto/buffer.pod index 781f5b11ee..3804c5649b 100644 --- a/doc/crypto/buffer.pod +++ b/doc/crypto/buffer.pod @@ -11,6 +11,10 @@ character arrays structure BUF_MEM *BUF_MEM_new(void); + #define BUF_MEM_FLAG_SECURE + + BUF_MEM * BUF_MEM_new_ex(unsigned long flags); + void BUF_MEM_free(BUF_MEM *a); int BUF_MEM_grow(BUF_MEM *str, int len); @@ -37,6 +41,10 @@ and one "miscellaneous" function. BUF_MEM_new() allocates a new buffer of zero size. +BUF_MEM_new_ex() allocates a buffer with the specified flags. +The flag B<BUF_MEM_FLAG_SECURE> specifies that the B<data> pointer +should be allocated on the secure heap; see L<CRYPTO_secure_malloc(3)>. + BUF_MEM_free() frees up an already existing buffer. The data is zeroed before freeing up in case the buffer contains sensitive data. @@ -63,11 +71,15 @@ BUF_MEM_grow() returns zero on error or the new size (i.e. B<len>). =head1 SEE ALSO -L<bio(3)|bio(3)> +L<bio(3)|bio(3)>, +L<CRYPTO_secure_malloc(3)>. =head1 HISTORY BUF_MEM_new(), BUF_MEM_free() and BUF_MEM_grow() are available in all versions of SSLeay and OpenSSL. BUF_strdup() was added in SSLeay 0.8. +BUF_MEM_new_ex() was contributed to OpenSSL by Akamai Technologies +in May, 2014. + =cut |