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openssl: Add generic RSA public key encoding

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This commit is contained in:
Tobias Brunner
2013-09-13 15:23:49 +02:00
parent b5cc7053c8
commit 3b939e20a9
1 changed files with 17 additions and 3 deletions
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src/libstrongswan/plugins/openssl/openssl_rsa_public_key.c
+17 -3
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@@ -19,6 +19,7 @@
#ifndef OPENSSL_NO_RSA #ifndef OPENSSL_NO_RSA
#include "openssl_rsa_public_key.h" #include "openssl_rsa_public_key.h"
#include "openssl_util.h"
#include <utils/debug.h> #include <utils/debug.h>
@@ -248,6 +249,7 @@ METHOD(public_key_t, get_encoding, bool,
private_openssl_rsa_public_key_t *this, cred_encoding_type_t type, private_openssl_rsa_public_key_t *this, cred_encoding_type_t type,
chunk_t *encoding) chunk_t *encoding)
{ {
bool success = FALSE;
u_char *p; u_char *p;
switch (type) switch (type)
@@ -255,11 +257,10 @@ METHOD(public_key_t, get_encoding, bool,
case PUBKEY_SPKI_ASN1_DER: case PUBKEY_SPKI_ASN1_DER:
case PUBKEY_PEM: case PUBKEY_PEM:
{ {
bool success = TRUE;
*encoding = chunk_alloc(i2d_RSA_PUBKEY(this->rsa, NULL)); *encoding = chunk_alloc(i2d_RSA_PUBKEY(this->rsa, NULL));
p = encoding->ptr; p = encoding->ptr;
i2d_RSA_PUBKEY(this->rsa, &p); i2d_RSA_PUBKEY(this->rsa, &p);
success = TRUE;
if (type == PUBKEY_PEM) if (type == PUBKEY_PEM)
{ {
@@ -280,7 +281,20 @@ METHOD(public_key_t, get_encoding, bool,
return TRUE; return TRUE;
} }
default: default:
return FALSE; {
chunk_t n = chunk_empty, e = chunk_empty;
if (openssl_bn2chunk(this->rsa->n, &n) &&
openssl_bn2chunk(this->rsa->e, &e))
{
success = lib->encoding->encode(lib->encoding, type, NULL,
encoding, CRED_PART_RSA_MODULUS, n,
CRED_PART_RSA_PUB_EXP, e, CRED_PART_END);
}
chunk_free(&n);
chunk_free(&e);
return success;
}
} }
} }