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- Log -----------------------------------------------------------------
commit 01d358a3ab09b0a4e79a5a492169aedcfbe8ddb3
Author: Dr. Stephen Henson <st...@openssl.org>
Date: Wed Mar 23 00:07:52 2016 +0000
X509_PUBKEY docs
Reviewed-by: Viktor Dukhovni <vik...@openssl.org>
-----------------------------------------------------------------------
Summary of changes:
doc/crypto/X509_PUBKEY.pod | 111 ++++++++++++++++++++++++++++++++++++++++
doc/crypto/d2i_DSAPublicKey.pod | 14 ++++-
doc/crypto/d2i_RSAPublicKey.pod | 25 ++++++---
3 files changed, 141 insertions(+), 9 deletions(-)
create mode 100644 doc/crypto/X509_PUBKEY.pod
diff --git a/doc/crypto/X509_PUBKEY.pod b/doc/crypto/X509_PUBKEY.pod
new file mode 100644
index 0000000..7b85ffa
--- /dev/null
+++ b/doc/crypto/X509_PUBKEY.pod
@@ -0,0 +1,111 @@
+=pod
+
+=head1 NAME
+
+X509_PUBKEY_new, X509_PUBKEY_free, X509_PUBKEY_set, X509_PUBKEY_get0,
+X509_PUBKEY_get, d2i_PUBKEY, i2d_PUBKEY, d2i_PUBKEY_bio, d2i_PUBKEY_fp,
+i2d_PUBKEY_fp, i2d_PUBKEY_bio, X509_PUBKEY_set0_param,
+X509_PUBKEY_get0_param - SubjectPublicKeyInfo public key functions.
+
+=head1 SYNOPSIS
+
+ #include <openssl/x509.h>
+
+ X509_PUBKEY *X509_PUBKEY_new(void);
+ void X509_PUBKEY_free(X509_PUBKEY *a);
+
+ int X509_PUBKEY_set(X509_PUBKEY **x, EVP_PKEY *pkey);
+ EVP_PKEY *X509_PUBKEY_get0(X509_PUBKEY *key);
+ EVP_PKEY *X509_PUBKEY_get(X509_PUBKEY *key);
+
+ EVP_PKEY *d2i_PUBKEY(EVP_PKEY **a, const unsigned char **pp, long length);
+ int i2d_PUBKEY(EVP_PKEY *a, unsigned char **pp);
+
+ EVP_PKEY *d2i_PUBKEY_bio(BIO *bp, EVP_PKEY **a);
+ EVP_PKEY *d2i_PUBKEY_fp(FILE *fp, EVP_PKEY **a);
+
+ int i2d_PUBKEY_fp(FILE *fp, EVP_PKEY *pkey);
+ int i2d_PUBKEY_bio(BIO *bp, EVP_PKEY *pkey);
+
+ int X509_PUBKEY_set0_param(X509_PUBKEY *pub, ASN1_OBJECT *aobj,
+ int ptype, void *pval,
+ unsigned char *penc, int penclen);
+ int X509_PUBKEY_get0_param(ASN1_OBJECT **ppkalg,
+ const unsigned char **pk, int *ppklen,
+ X509_ALGOR **pa, X509_PUBKEY *pub);
+
+=head1 DESCRIPTION
+
+The B<X509_PUBKEY> structure represents the ASN.1 B<SubjectPublicKeyInfo>
+structure defined in RFC5280 and used in certificates and certificate requests.
+
+X509_PUBKEY_new() allocates and initializes an B<X509_PUBKEY> structure.
+
+X509_PUBKEY_free() frees up B<X509_PUBKEY> structure B<a>. If B<a> is NULL
+nothing is done.
+
+X509_PUBKEY_set() sets the public key in B<*x> to the public key contained
+in the B<EVP_PKEY> structure B<pkey>. If B<*x> is not NULL any existing
+public key structure will be freed.
+
+X509_PUBKEY_get0() returns the public key contained in B<key>. The returned
+value is an internal pointer which B<MUST NOT> be freed after use.
+
+X509_PUBKEY_get() is similar to X509_PUBKEY_get0() except the reference
+count on the returned key is incremented so it B<MUST> be freed using
+EVP_PKEY_free() after use.
+
+d2i_PUBKEY() and i2d_PUBKEY() decode and encode an B<EVP_PKEY> structure
+using B<SubjectPublicKeyInfo> format. They otherise follow the conventions of
+other ASN.1 functions such as d2i_X509().
+
+d2i_PUBKEY_bio(), d2i_PUBKEY_fp(), i2d_PUBKEY_bio() and i2d_PUBKEY_fp() are
+similar to d2i_PUBKEY() and i2d_PUBKEY() except they decode or encode using a
+B<BIO> or B<FILE> pointer.
+
+X509_PUBKEY_set0_param() sets the public key parameters of B<pub>. The
+OID associated with the algorithm is set to B<aobj>. The type of the
+algorithm parameters is set to B<type> using the structure B<pval>.
+The encoding of the public key itself is set to the B<penclen>
+bytes contained in buffer B<penc>. On success ownership of all the supplied
+parameters is passed to B<pub> so they must not be freed after the
+call.
+
+X509_PUBKEY_get0_param() retrieves the public key parameters from B<pub>,
+B<*ppkalg> is set to the associated OID and the encoding consists of
+B<*ppklen> bytes at B<*pk>, B<*pa> is set to the associated
+AlgorithmIdentifier for the public key. If the value of any of these
+parameters is not required it can be set to B<NULL>. All of the
+retrieved pointers are internal and must not be freed after the
+call.
+
+=head1 NOTES
+
+The B<X509_PUBKEY> functions can be used to encode and decode public keys
+in a standard format.
+
+In many cases applications will not call the B<X509_PUBKEY> functions
+directly: they will instead call wrapper functions such as X509_get0_pubkey().
+
+=head1 RETURN VALUES
+
+If the allocation fails, X509_PUBKEY_new() returns B<NULL> and sets an error
+code that can be obtained by L<ERR_get_error(3)>.
+
+Otherwise it returns a pointer to the newly allocated structure.
+
+X509_PUBKEY_free() does not return a value.
+
+X509_PUBKEY_get0() and X509_PUBKEY_get() return a pointer to an B<EVP_PKEY>
+structure or B<NULL> if an error occurs.
+
+X509_PUBKEY_set(), X509_PUBKEY_set0_param() and X509_PUBKEY_get0_param()
+return 1 for success and 0 if an error occurred.
+
+=head1 SEE ALSO
+
+L<d2i_X509(3)>,
+L<ERR_get_error(3)>,
+L<X509_get_pubkey(3)>,
+
+=cut
diff --git a/doc/crypto/d2i_DSAPublicKey.pod b/doc/crypto/d2i_DSAPublicKey.pod
index 7acb329..1344b00 100644
--- a/doc/crypto/d2i_DSAPublicKey.pod
+++ b/doc/crypto/d2i_DSAPublicKey.pod
@@ -3,8 +3,8 @@
=head1 NAME
d2i_DSAPublicKey, i2d_DSAPublicKey, d2i_DSAPrivateKey, i2d_DSAPrivateKey,
-d2i_DSA_PUBKEY, i2d_DSA_PUBKEY, d2i_DSAparams, i2d_DSAparams, d2i_DSA_SIG,
i2d_DSA_SIG - DSA key encoding
-and parsing functions.
+d2i_DSA_PUBKEY, i2d_DSA_PUBKEY, d2i_DSAparams, i2d_DSAparams,
+d2i_DSA_SIG, i2d_DSA_SIG - DSA key encoding and parsing functions.
=head1 SYNOPSIS
@@ -19,6 +19,12 @@ and parsing functions.
int i2d_DSA_PUBKEY(const DSA *a, unsigned char **pp);
+ DSA *d2i_DSA_PUBKEY_bio(BIO *bp, DSA **dsa);
+ DSA *d2i_DSA_PUBKEY_fp(FILE *fp, DSA **dsa);
+
+ int i2d_DSA_PUBKEY_bio(BIO *bp, DSA *dsa);
+ int i2d_DSA_PUBKEY_fp(FILE *fp, DSA *dsa);
+
DSA * d2i_DSAPrivateKey(DSA **a, const unsigned char **pp, long length);
int i2d_DSAPrivateKey(const DSA *a, unsigned char **pp);
@@ -39,6 +45,10 @@ components structure.
d2i_DSA_PUBKEY() and i2d_DSA_PUBKEY() decode and encode an DSA public key using
a SubjectPublicKeyInfo (certificate public key) structure.
+d2i_DSA_PUBKEY_bio(), d2i_DSA_PUBKEY_fp(), i2d_DSA_PUBKEY_bio() and
+i2d_DSA_PUBKEY_fp() are similar to d2i_DSA_PUBKEY() and i2d_DSA_PUBKEY()
+except they decode or encode using a B<BIO> or B<FILE> pointer.
+
d2i_DSAPrivateKey(), i2d_DSAPrivateKey() decode and encode the DSA private key
components.
diff --git a/doc/crypto/d2i_RSAPublicKey.pod b/doc/crypto/d2i_RSAPublicKey.pod
index 9786d75..946fe0f 100644
--- a/doc/crypto/d2i_RSAPublicKey.pod
+++ b/doc/crypto/d2i_RSAPublicKey.pod
@@ -3,7 +3,8 @@
=head1 NAME
d2i_RSAPublicKey, i2d_RSAPublicKey, d2i_RSAPrivateKey, i2d_RSAPrivateKey,
-d2i_RSA_PUBKEY, i2d_RSA_PUBKEY, i2d_Netscape_RSA,
+d2i_RSA_PUBKEY, i2d_RSA_PUBKEY, d2i_RSA_PUBKEY_bio, d2i_RSA_PUBKEY_fp,
+i2d_RSA_PUBKEY_bio, i2d_RSA_PUBKEY_fp, i2d_Netscape_RSA,
d2i_Netscape_RSA - RSA public and private key encoding functions.
=head1 SYNOPSIS
@@ -19,6 +20,12 @@ d2i_Netscape_RSA - RSA public and private key encoding
functions.
int i2d_RSA_PUBKEY(RSA *a, unsigned char **pp);
+ RSA *d2i_RSA_PUBKEY_bio(BIO *bp, RSA **rsa);
+ RSA *d2i_RSA_PUBKEY_fp(FILE *fp, RSA **rsa);
+
+ int i2d_RSA_PUBKEY_bio(BIO *bp, RSA *rsa);
+ int i2d_RSA_PUBKEY_fp(FILE *fp, RSA *rsa);
+
RSA * d2i_RSAPrivateKey(RSA **a, const unsigned char **pp, long length);
int i2d_RSAPrivateKey(RSA *a, unsigned char **pp);
@@ -29,20 +36,24 @@ d2i_Netscape_RSA - RSA public and private key encoding
functions.
=head1 DESCRIPTION
-d2i_RSAPublicKey() and i2d_RSAPublicKey() decode and encode a PKCS#1
RSAPublicKey
-structure.
+d2i_RSAPublicKey() and i2d_RSAPublicKey() decode and encode a PKCS#1
+RSAPublicKey structure.
d2i_RSA_PUBKEY() and i2d_RSA_PUBKEY() decode and encode an RSA public key using
a SubjectPublicKeyInfo (certificate public key) structure.
-d2i_RSAPrivateKey(), i2d_RSAPrivateKey() decode and encode a PKCS#1
RSAPrivateKey
-structure.
+d2i_RSA_PUBKEY_bio(), d2i_RSA_PUBKEY_fp(), i2d_RSA_PUBKEY_bio() and
+i2d_RSA_PUBKEY_fp() are similar to d2i_RSA_PUBKEY() and i2d_RSA_PUBKEY()
+except they decode or encode using a B<BIO> or B<FILE> pointer.
+
+d2i_RSAPrivateKey(), i2d_RSAPrivateKey() decode and encode a PKCS#1
+RSAPrivateKey structure.
d2i_Netscape_RSA(), i2d_Netscape_RSA() decode and encode an RSA private key in
NET format.
-The usage of all of these functions is similar to the d2i_X509() and
-i2d_X509() described in the L<d2i_X509(3)> manual page.
+The usage of all of these functions is similar to the d2i_X509() and i2d_X509()
+described in the L<d2i_X509(3)> manual page.
=head1 NOTES
_____
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