diff options
| author | Dr. Stephen Henson <steve@openssl.org> | 2015-03-28 14:07:47 +0000 |
|---|---|---|
| committer | Dr. Stephen Henson <steve@openssl.org> | 2015-03-30 22:01:31 +0100 |
| commit | 22f5bd3dd2a660f6f50ef86de78985b995c63a85 (patch) | |
| tree | 32e86c5a8497761d4650514955e15aaab2371106 /doc | |
| parent | 94f4b4b31314c07a4b6c9898e14c1023a112d0d0 (diff) | |
New ASN1_TYPE SEQUENCE functions.
Add new functions ASN1_TYPE_pack_sequence and ASN1_TYPE_unpack_sequence:
these encode and decode ASN.1 SEQUENCE using an ASN1_TYPE structure.
Update ordinals.
Reviewed-by: Rich Salz <rsalz@openssl.org>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/crypto/ASN1_TYPE_get.pod | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/doc/crypto/ASN1_TYPE_get.pod b/doc/crypto/ASN1_TYPE_get.pod index a6c65aaa34..79f2e382e1 100644 --- a/doc/crypto/ASN1_TYPE_get.pod +++ b/doc/crypto/ASN1_TYPE_get.pod @@ -2,7 +2,7 @@ =head1 NAME -ASN1_TYPE_get, ASN1_TYPE_set, ASN1_TYPE_set1, ASN1_TYPE_cmp - ASN1_TYPE utility +ASN1_TYPE_get, ASN1_TYPE_set, ASN1_TYPE_set1, ASN1_TYPE_cmp, ASN1_TYPE_unpack_sequence, ASN1_TYPE_pack_sequence - ASN1_TYPE utility functions =head1 SYNOPSIS @@ -14,6 +14,10 @@ functions int ASN1_TYPE_set1(ASN1_TYPE *a, int type, const void *value); int ASN1_TYPE_cmp(const ASN1_TYPE *a, const ASN1_TYPE *b); + void *ASN1_TYPE_unpack_sequence(const ASN1_ITEM *it, const ASN1_TYPE *t); + ASN1_TYPE *ASN1_TYPE_pack_sequence(const ASN1_ITEM *it, void *s, + ASN1_TYPE **t); + =head1 DESCRIPTION These functions allow an ASN1_TYPE structure to be manipulated. The @@ -31,6 +35,17 @@ ASN1_TYPE_set1() sets the value of B<a> to B<type> a copy of B<value>. ASN1_TYPE_cmp() compares ASN.1 types B<a> and B<b> and returns 0 if they are identical and non-zero otherwise. +ASN1_TYPE_unpack_sequence() attempts to parse the SEQUENCE present in +B<t> using the ASN.1 structure B<it>. If successful it returns a pointer +to the ASN.1 structure corresponding to B<it> which must be freed by the +caller. If it fails it return NULL. + +ASN1_TYPE_pack_sequence() attempts to encode the ASN.1 structure B<s> +corresponding to B<it> into an ASN1_TYPE. If successful the encoded +ASN1_TYPE is returned. If B<t> and B<*t> are not NULL the encoded type +is written to B<t> overwriting any existing data. If B<t> is not NULL +but B<*t> is NULL the returned ASN1_TYPE is written to B<*t>. + =head1 NOTES The type and meaning of the B<value> parameter for ASN1_TYPE_set() and @@ -67,4 +82,10 @@ ASN1_TYPE_set1() returns 1 for sucess and 0 for failure. ASN1_TYPE_cmp() returns 0 if the types are identical and non-zero otherwise. +ASN1_TYPE_unpack_sequence() returns a pointer to an ASN.1 structure or +NULL on failure. + +ASN1_TYPE_pack_sequence() return an ASN1_TYPE structure if it succeeds or +NULL on failure. + =cut |