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-rwxr-xr-xSource/charon/transforms/certificate.c567
1 files changed, 140 insertions, 427 deletions
diff --git a/Source/charon/transforms/certificate.c b/Source/charon/transforms/certificate.c
index 6d10d9f54..e8ee61bb2 100755
--- a/Source/charon/transforms/certificate.c
+++ b/Source/charon/transforms/certificate.c
@@ -21,6 +21,8 @@
*/
#include <gmp.h>
+#include <sys/stat.h>
+#include <unistd.h>
#include "certificate.h"
@@ -39,480 +41,191 @@ struct private_certificate_t {
* Public interface for this signer.
*/
certificate_t public;
-};
-
-#define OSET(x) offsetof(private_certiciate_t, x)
-
-/**
- * Rules for de-/encoding of a certificate from/in ASN1
- */
-static asn1_rule_t certificate_rules[] = {
- {ASN1_SEQUENCE, 0, 0, 0 }, /* certificate */
- { ASN1_SEQUENCE, 0, 0, 0 }, /* tbsCertificate */
- { ASN1_TAG_E_0, ASN1_DEFAULT, OSET(version), 0 }, /* EXPLICIT version DEFAULT v1(0) */
- { ASN1_INTEGER, 0, OSET(version), 0 },
- { ASN1_INTEGER, 0, OSET(serial), 0 }, /* serialNumber */
- { ASN1_SEQUENCE, 0, 0, 0 }, /* signature */
- { ASN1_OID, 0, OSET(sign_alg), 0 }, /* algorithm */
- { ASN1_END, 0, 0, 0 }, /* signature */
- { ASN1_CHOICE, 0, 0, 0 }, /* issuer */
- { ASN1_SEQUENCE, ASN1_OF, 0, 0 },
- /* name */
- { ASN1_END, 0, 0, 0 },
- { ASN1_END, 0, 0, 0 }, /* issuer */
- { ASN1_SEQUENCE, 0, 0, 0 }, /* validity */
- { ASN1_CHOICE, 0, 0, 0 }, /* notBefore */
- { ASN1_UTCTIME, 0, OSET(not_before), 0 }, /* utcTime */
- { ASN1_GENERALIZEDTIME, 0, OSET(not_before), 0 }, /* generalTime */
- { ASN1_END, 0, 0, 0 }, /* notBefore */
- { ASN1_CHOICE, 0, 0, 0 }, /* notAfter */
- { ASN1_UTCTIME, 0, OSET(not_after), 0 }, /* utcTime */
- { ASN1_GENERALIZEDTIME, 0, OSET(not_after), 0 }, /* generalTime */
- { ASN1_END, 0, 0, 0 }, /* notAfter */
- { ASN1_END, 0, 0, 0 }, /* validity */
- { ASN1_CHOICE, 0, 0, 0 }, /* subject */
- { ASN1_SEQUENCE, ASN1_OF, 0, 0 },
- /* name */
- { ASN1_END, 0, 0, 0 },
- { ASN1_END, 0, 0, 0 }, /* subject */
- { ASN1_SEQUENCE, 0, 0, 0 }, /* subjectPublicKeyInfo */
- { ASN1_OID, 0, OSET(pubkey_alg), 0 }, /* algorithm */
- { ASN1_BITSTRING, 0, OSET(pubkey), 0 }, /* subjectPublicKey */
- { ASN1_END, 0, 0, 0 }, /* subjectPublicKeyInfo */
- { ASN1_TAG_I_1, ASN1_OPTIONAL, 0, OSET(has_issuer_uid)}, /* IMPLICIT issuerUniqueID OPTIONAL */
- { ASN1_BITSTRING, 0, OSET(issuer_uid), 0 },
- { ASN1_TAG_I_2, ASN1_OPTIONAL, 0, OSET(has_subject_uid)},/* IMPLICIT subjectUniqueID OPTIONAL */
- { ASN1_BITSTRING, 0, OSET(subject_uid), 0 },
- { ASN1_TAG_E_3, ASN1_OPTIONAL, 0, 0 }, /* EXPLICIT extensions OPTIONAL*/
- { ASN1_SEQUENCE, ASN1_OF, 0, 0 },
- /* extension */
- { ASN1_END 0, 0, 0, }, /* extensions */
- { ASN1_END, 0, 0, 0 }, /* certificate */
-};
-
-/**
- * Implementation of private_certificate_t.compute_prime.
- */
-static void compute_prime(private_certificate_t *this, size_t prime_size, mpz_t *prime)
-{
- randomizer_t *randomizer;
- chunk_t random_bytes;
- randomizer = randomizer_create();
- mpz_init(*prime);
+ u_int version;
- do
- {
- randomizer->allocate_random_bytes(randomizer, prime_size, &random_bytes);
-
- /* make sure most significant bit is set */
- random_bytes.ptr[0] = random_bytes.ptr[0] | 0x80;
-
- /* convert chunk to mpz value */
- mpz_import(*prime, random_bytes.len, 1, 1, 1, 0, random_bytes.ptr);
-
- /* get next prime */
- mpz_nextprime (*prime, *prime);
-
- allocator_free(random_bytes.ptr);
- }
- /* check if it isnt too large */
- while (((mpz_sizeinbase(*prime, 2) + 7) / 8) > prime_size);
+ u_int serial;
- randomizer->destroy(randomizer);
-}
-
-/**
- * Implementation of private_certificate_t.rsadp and private_certificate_t.rsasp1.
- */
-static chunk_t rsadp(private_certificate_t *this, chunk_t data)
-{
- mpz_t t1, t2;
- chunk_t decrypted;
-
- mpz_init(t1);
- mpz_init(t2);
+ chunk_t sign_alg;
- mpz_import(t1, data.len, 1, 1, 1, 0, data.ptr);
+ time_t not_before;
- mpz_powm(t2, t1, this->exp1, this->p); /* m1 = c^dP mod p */
- mpz_powm(t1, t1, this->exp2, this->q); /* m2 = c^dQ mod Q */
- mpz_sub(t2, t2, t1); /* h = qInv (m1 - m2) mod p */
- mpz_mod(t2, t2, this->p);
- mpz_mul(t2, t2, this->coeff);
- mpz_mod(t2, t2, this->p);
+ time_t not_after;
- mpz_mul(t2, t2, this->q); /* m = m2 + h q */
- mpz_add(t1, t1, t2);
+ chunk_t pubkey;
- decrypted.len = this->k;
- decrypted.ptr = mpz_export(NULL, NULL, 1, decrypted.len, 1, 0, t1);
+ chunk_t pubkey_alg;
- mpz_clear(t1);
- mpz_clear(t2);
-
- return decrypted;
-}
-
-/**
- * Implementation of certificate.build_emsa_signature.
- */
-static status_t build_emsa_pkcs1_signature(private_certificate_t *this, hash_algorithm_t hash_algorithm, chunk_t data, chunk_t *signature)
-{
- hasher_t *hasher;
- chunk_t hash;
- chunk_t oid;
- chunk_t em;
-
- /* get oid string prepended to hash */
- switch (hash_algorithm)
- {
- case HASH_MD2:
- {
- oid.ptr = md2_oid;
- oid.len = sizeof(md2_oid);
- break;
- }
- case HASH_MD5:
- {
- oid.ptr = md5_oid;
- oid.len = sizeof(md5_oid);
- break;
- }
- case HASH_SHA1:
- {
- oid.ptr = sha1_oid;
- oid.len = sizeof(sha1_oid);
- break;
- }
- case HASH_SHA256:
- {
- oid.ptr = sha256_oid;
- oid.len = sizeof(sha256_oid);
- break;
- }
- case HASH_SHA384:
- {
- oid.ptr = sha384_oid;
- oid.len = sizeof(sha384_oid);
- break;
- }
- case HASH_SHA512:
- {
- oid.ptr = sha512_oid;
- oid.len = sizeof(sha512_oid);
- break;
- }
- default:
- {
- return NOT_SUPPORTED;
- }
- }
-
- /* get hasher */
- hasher = hasher_create(hash_algorithm);
- if (hasher == NULL)
- {
- return NOT_SUPPORTED;
- }
+ bool has_issuer_uid;
+ chunk_t issuer_uid;
- /* build hash */
- hasher->allocate_hash(hasher, data, &hash);
- hasher->destroy(hasher);
+ bool has_subject_uid;
+ chunk_t subject_uid;
- /* build chunk to rsa-decrypt:
- * EM = 0x00 || 0x01 || PS || 0x00 || T.
- * PS = 0xFF padding, with length to fill em
- * T = oid || hash
- */
- em.len = this->k;
- em.ptr = allocator_alloc(em.len);
+ chunk_t tbs_cert;
+ chunk_t signature;
- /* fill em with padding */
- memset(em.ptr, 0xFF, em.len);
- /* set magic bytes */
- *(em.ptr) = 0x00;
- *(em.ptr+1) = 0x01;
- *(em.ptr + em.len - hash.len - oid.len - 1) = 0x00;
- /* set hash */
- memcpy(em.ptr + em.len - hash.len, hash.ptr, hash.len);
- /* set oid */
- memcpy(em.ptr + em.len - hash.len - oid.len, oid.ptr, oid.len);
+ rsa_public_key_t *public_key;
+};
-
- /* build signature */
- *signature = this->rsasp1(this, em);
-
- allocator_free(hash.ptr);
- allocator_free(em.ptr);
-
- return SUCCESS;
-}
+#define OSET(x) offsetof(private_certificate_t, x)
-
/**
- * Implementation of certificate.set_key.
+ * Rules for de-/encoding of a certificate from/in ASN1
*/
-static status_t set_key(private_certificate_t *this, chunk_t key)
-{
- der_decoder_t *dd;
- status_t status;
-
- dd = der_decoder_create(certificate_rules);
-
- status = dd->decode(dd, key, this);
- if (status == SUCCESS)
- {
- this->is_key_set = TRUE;
- this->k = mpz_sizeinbase(this->n, 2) / 8;
- }
- dd->destroy(dd);
- return status;
-}
+static asn1_rule_t certificate_rules[] = {
+ {ASN1_SEQUENCE, 0, 0, 0 }, /* certificate */
+ { ASN1_SEQUENCE, ASN1_RAW, OSET(tbs_cert), 0 }, /* tbsCertificate */
+ { ASN1_TAG_E_0, ASN1_DEFAULT, OSET(version), 0 }, /* EXPLICIT */
+ { ASN1_INTEGER, ASN1_DEFAULT, OSET(version), 0 }, /* version DEFAULT v1(0) */
+ { ASN1_INTEGER, 0, OSET(serial), 0 }, /* serialNumber */
+ { ASN1_SEQUENCE, 0, 0, 0 }, /* signature */
+ { ASN1_OID, 0, OSET(sign_alg), 0 }, /* algorithm-oid */
+ { ASN1_NULL, 0, 0, 0 }, /* parameters */
+ { ASN1_END, 0, 0, 0 }, /* signature */
+ { ASN1_SEQUENCE, ASN1_OF, 0, 0 }, /* issuer */
+// { ASN1_SET, ASN1_OF, 0, 0, }, /* RelativeDistinguishedName */
+// { ASN1_SEQUENCE, 0, 0, 0, }, /* AttributeTypeAndValue */
+// { ASN1_OID, 0, 0, 0 }, /* AttributeType */
+// { ASN1_ANY, 0, 0, 0 }, /* AttributeValue */
+// { ASN1_END, 0, 0, 0 }, /* AttributeTypeAndValue */
+// { ASN1_END, 0, 0, 0 }, /* RelativeDistinguishedName */
+ { ASN1_END, 0, 0, 0 }, /* issuer */
+ { ASN1_SEQUENCE, 0, 0, 0 }, /* validity */
+ { ASN1_CHOICE, 0, 0, 0 }, /* notBefore */
+ { ASN1_UTCTIME, 0, OSET(not_before), 0 }, /* utcTime */
+ { ASN1_GENERALIZEDTIME, 0, OSET(not_before), 0 }, /* generalTime */
+ { ASN1_END, 0, 0, 0 }, /* notBefore */
+ { ASN1_CHOICE, 0, 0, 0 }, /* notAfter */
+ { ASN1_UTCTIME, 0, OSET(not_after), 0 }, /* utcTime */
+ { ASN1_GENERALIZEDTIME, 0, OSET(not_after), 0 }, /* generalTime */
+ { ASN1_END, 0, 0, 0 }, /* notAfter */
+ { ASN1_END, 0, 0, 0 }, /* validity */
+ { ASN1_SEQUENCE, ASN1_OF, 0, 0 }, /* subject */
+// { ASN1_SET, ASN1_OF, 0, 0, }, /* RelativeDistinguishedName */
+// { ASN1_SEQUENCE, 0, 0, 0, }, /* AttributeTypeAndValue */
+// { ASN1_OID, 0, 0, 0 }, /* AttributeType */
+// { ASN1_ANY, 0, 0, 0 }, /* AttributeValue */
+// { ASN1_END, 0, 0, 0 }, /* AttributeTypeAndValue */
+// { ASN1_END, 0, 0, 0 }, /* RelativeDistinguishedName */
+ { ASN1_END, 0, 0, 0 }, /* subject */
+ { ASN1_SEQUENCE, 0, 0, 0 }, /* subjectPublicKeyInfo */
+ { ASN1_SEQUENCE, 0, 0, 0 }, /* algorithm */
+ { ASN1_OID, 0, OSET(pubkey_alg), 0 }, /* algorithm-oid */
+ { ASN1_NULL, 0, 0, 0 }, /* parameters */
+ { ASN1_END, 0, 0, 0 }, /* algorithm */
+ { ASN1_BITSTRING, 0, OSET(pubkey), 0 }, /* subjectPublicKey */
+ { ASN1_END, 0, 0, 0 }, /* subjectPublicKeyInfo */
+ { ASN1_TAG_I_1, ASN1_OPTIONAL, 0, OSET(has_issuer_uid)}, /* IMPLICIT */
+ { ASN1_BITSTRING, ASN1_OPTIONAL, OSET(issuer_uid), 0 }, /* issuerUniqueID OPTIONAL */
+ { ASN1_TAG_I_2, ASN1_OPTIONAL, 0, OSET(has_subject_uid)},/* IMPLICIT */
+ { ASN1_BITSTRING, ASN1_OPTIONAL, OSET(subject_uid), 0 }, /* subjectUniqueID OPTIONAL */
+ { ASN1_TAG_E_3, ASN1_OPTIONAL, 0, 0 }, /* EXPLICIT */
+ { ASN1_SEQUENCE, ASN1_OF|ASN1_OPTIONAL, 0, 0 }, /* extensions OPTIONAL */
+// { ASN1_SEQUENCE, 0, 0, 0, }, /* extension */
+// { ASN1_OID, 0, 0, 0 }, /* extnID */
+// { ASN1_BOOLEAN, ASN1_DEFAULT, 0, FALSE }, /* critical */
+// { ASN1_OCTETSTRING, 0, 0, 0, }, /* extnValue */
+// { ASN1_END, 0, 0, 0, }, /* extension */
+ { ASN1_END, 0, 0, 0, }, /* extensions */
+ { ASN1_END, 0, 0, 0 }, /* tbsCertificate */
+ { ASN1_SEQUENCE, 0, 0, 0 }, /* signatureAlgorithm */
+ { ASN1_OID, 0, OSET(sign_alg), 0 }, /* algorithm-oid */
+ { ASN1_NULL, 0, 0, 0 }, /* parameters */
+ { ASN1_END, 0, 0, 0 }, /* signatureAlgorithm */
+ { ASN1_BITSTRING, 0, OSET(signature), 0 }, /* signatureValue */
+ {ASN1_END, 0, 0, 0 }, /* certificate */
+};
/**
- * Implementation of certificate.get_key.
- */
-static status_t get_key(private_certificate_t *this, chunk_t *key)
-{
- if (!this->is_key_set)
- {
- return INVALID_STATE;
- }
-
- chunk_t n, e, p, q, d, exp1, exp2, coeff;
-
- n.len = this->k;
- n.ptr = mpz_export(NULL, NULL, 1, n.len, 1, 0, this->n);
- e.len = this->k;
- e.ptr = mpz_export(NULL, NULL, 1, e.len, 1, 0, this->e);
- p.len = this->k;
- p.ptr = mpz_export(NULL, NULL, 1, p.len, 1, 0, this->p);
- q.len = this->k;
- q.ptr = mpz_export(NULL, NULL, 1, q.len, 1, 0, this->q);
- d.len = this->k;
- d.ptr = mpz_export(NULL, NULL, 1, d.len, 1, 0, this->d);
- exp1.len = this->k;
- exp1.ptr = mpz_export(NULL, NULL, 1, exp1.len, 1, 0, this->exp1);
- exp2.len = this->k;
- exp2.ptr = mpz_export(NULL, NULL, 1, exp2.len, 1, 0, this->exp2);
- coeff.len = this->k;
- coeff.ptr = mpz_export(NULL, NULL, 1, coeff.len, 1, 0, this->coeff);
-
- key->len = this->k * 8;
- key->ptr = allocator_alloc(key->len);
- memcpy(key->ptr + this->k * 0, n.ptr , n.len);
- memcpy(key->ptr + this->k * 1, e.ptr, e.len);
- memcpy(key->ptr + this->k * 2, p.ptr, p.len);
- memcpy(key->ptr + this->k * 3, q.ptr, q.len);
- memcpy(key->ptr + this->k * 4, d.ptr, d.len);
- memcpy(key->ptr + this->k * 5, exp1.ptr, exp1.len);
- memcpy(key->ptr + this->k * 6, exp2.ptr, exp2.len);
- memcpy(key->ptr + this->k * 7, coeff.ptr, coeff.len);
-
- allocator_free(n.ptr);
- allocator_free(e.ptr);
- allocator_free(p.ptr);
- allocator_free(q.ptr);
- allocator_free(d.ptr);
- allocator_free(exp1.ptr);
- allocator_free(exp2.ptr);
- allocator_free(coeff.ptr);
-
- return SUCCESS;
-}
-
-/**
- * Implementation of certificate.load_key.
+ * Implementation of certificate.get_public_key.
*/
-static status_t load_key(private_certificate_t *this, char *file)
+static rsa_public_key_t *get_public_key(private_certificate_t *this)
{
- return NOT_SUPPORTED;
+ return this->public_key->clone(this->public_key);
}
+
/**
- * Implementation of certificate.save_key.
+ * Implementation of certificate.destroy.
*/
-static status_t save_key(private_certificate_t *this, char *file)
+static void destroy(private_certificate_t *this)
{
- return NOT_SUPPORTED;
+ this->public_key->destroy(this->public_key);
+ allocator_free(this->pubkey.ptr);
+ allocator_free(this->signature.ptr);
+ allocator_free(this->tbs_cert.ptr);
+ allocator_free(this);
}
-/**
- * Implementation of certificate.generate_key.
+/*
+ * Described in header.
*/
-static status_t generate_key(private_certificate_t *this, size_t key_size)
+certificate_t *certificate_create_from_chunk(chunk_t chunk)
{
- mpz_t p, q, n, e, d, exp1, exp2, coeff;
- mpz_t m, q1, t;
-
- if (key_size < 0)
- {
- return INVALID_ARG;
- }
-
- mpz_clear(this->n);
- mpz_clear(this->e);
- mpz_clear(this->p);
- mpz_clear(this->q);
- mpz_clear(this->d);
- mpz_clear(this->exp1);
- mpz_clear(this->exp2);
- mpz_clear(this->coeff);
+ private_certificate_t *this = allocator_alloc_thing(private_certificate_t);
+ der_decoder_t *dd;
- key_size = key_size / 8;
+ /* public functions */
+ this->public.get_public_key = (rsa_public_key_t *(*) (certificate_t*))get_public_key;
+ this->public.destroy = (void (*) (certificate_t*))destroy;
- mpz_init(t);
- mpz_init(n);
- mpz_init(d);
- mpz_init(exp1);
- mpz_init(exp2);
- mpz_init(coeff);
+ /* initialize */
+ this->pubkey = CHUNK_INITIALIZER;
+ this->signature = CHUNK_INITIALIZER;
+ this->tbs_cert = CHUNK_INITIALIZER;
- /* Get values of primes p and q */
- this->compute_prime(this, key_size/2, &p);
- this->compute_prime(this, key_size/2, &q);
-
- /* Swapping Primes so p is larger then q */
- if (mpz_cmp(p, q) < 0)
- {
- mpz_set(t, p);
- mpz_set(p, q);
- mpz_set(q, t);
- }
+ dd = der_decoder_create(certificate_rules);
- mpz_mul(n, p, q); /* n = p*q */
- mpz_init_set_ui(e, PUBLIC_EXPONENT); /* assign public exponent */
- mpz_init_set(m, p); /* m = p */
- mpz_sub_ui(m, m, 1); /* m = m -1 */
- mpz_init_set(q1, q); /* q1 = q */
- mpz_sub_ui(q1, q1, 1); /* q1 = q1 -1 */
- mpz_gcd(t, m, q1); /* t = gcd(p-1, q-1) */
- mpz_mul(m, m, q1); /* m = (p-1)*(q-1) */
- mpz_divexact(m, m, t); /* m = m / t */
- mpz_gcd(t, m, e); /* t = gcd(m, e) (greatest common divisor) */
-
- mpz_invert(d, e, m); /* e has an inverse mod m */
- if (mpz_cmp_ui(d, 0) < 0) /* make sure d is positive */
+ if (dd->decode(dd, chunk, this) != SUCCESS)
{
- mpz_add(d, d, m);
+ allocator_free(this);
+ dd->destroy(dd);
+ return NULL;
}
- mpz_sub_ui(t, p, 1); /* t = p-1 */
- mpz_mod(exp1, d, t); /* exp1 = d mod p-1 */
- mpz_sub_ui(t, q, 1); /* t = q-1 */
- mpz_mod(exp2, d, t); /* exp2 = d mod q-1 */
+ dd->destroy(dd);
- mpz_invert(coeff, q, p); /* coeff = q^-1 mod p */
- if (mpz_cmp_ui(coeff, 0) < 0) /* make coeff d is positive */
+ this->public_key = rsa_public_key_create_from_chunk(this->pubkey);
+ if (this->public_key == NULL)
{
- mpz_add(coeff, coeff, p);
+ allocator_free(this->pubkey.ptr);
+ allocator_free(this);
+ return NULL;
}
-
- mpz_clear(q1);
- mpz_clear(m);
- mpz_clear(t);
-
- /* apply values */
- *(this->p) = *p;
- *(this->q) = *q;
- *(this->n) = *n;
- *(this->e) = *e;
- *(this->d) = *d;
- *(this->exp1) = *exp1;
- *(this->exp2) = *exp2;
- *(this->coeff) = *coeff;
-
- /* set key size in bytes */
-
- this->is_key_set = TRUE;
- this->k = key_size;
- return SUCCESS;
+ return &this->public;
}
-/**
- * Implementation of certificate.get_public_key.
+/*
+ * Described in header.
*/
-rsa_public_key_t *get_public_key(private_certificate_t *this)
+certificate_t *certificate_create_from_file(char *filename)
{
- rsa_public_key_t *public_key;
- //chunk_t key;
-
- public_key = rsa_public_key_create();
-
- if (this->is_key_set)
- {
+ struct stat stb;
+ FILE *file;
+ char *buffer;
+ chunk_t chunk;
- chunk_t n, e, key;
-
- n.len = this->k;
- n.ptr = mpz_export(NULL, NULL, 1, n.len, 1, 0, this->n);
- e.len = this->k;
- e.ptr = mpz_export(NULL, NULL, 1, e.len, 1, 0, this->e);
-
- key.len = this->k * 2;
- key.ptr = allocator_alloc(key.len);
- memcpy(key.ptr, n.ptr, n.len);
- memcpy(key.ptr + n.len, e.ptr, e.len);
- allocator_free(n.ptr);
- allocator_free(e.ptr);
-
- public_key->set_key(public_key, key);
- allocator_free(key.ptr);
-
+ if (stat(filename, &stb) == -1)
+ {
+ return NULL;
}
- return public_key;
-}
-
-
-/**
- * Implementation of certificate.destroy.
- */
-static void destroy(private_certificate_t *this)
-{
- mpz_clear(this->n);
- mpz_clear(this->e);
- mpz_clear(this->p);
- mpz_clear(this->q);
- mpz_clear(this->d);
- mpz_clear(this->exp1);
- mpz_clear(this->exp2);
- mpz_clear(this->coeff);
- allocator_free(this);
-}
-
-/*
- * Described in header.
- */
-certificate_t *certificate_create(hash_algorithm_t hash_algoritm)
-{
- private_certificate_t *this = allocator_alloc_thing(private_certificate_t);
+ buffer = alloca(stb.st_size);
- /* public functions */
- this->public.build_emsa_pkcs1_signature = (status_t (*) (certificate_t*,hash_algorithm_t,chunk_t,chunk_t*))build_emsa_pkcs1_signature;
- this->public.set_key = (status_t (*) (certificate_t*,chunk_t))set_key;
- this->public.get_key = (status_t (*) (certificate_t*,chunk_t*))get_key;
- this->public.load_key = (status_t (*) (certificate_t*,char*))load_key;
- this->public.save_key = (status_t (*) (certificate_t*,char*))save_key;
- this->public.generate_key = (status_t (*) (certificate_t*,size_t))generate_key;
- this->public.get_public_key = (rsa_public_key_t *(*) (certificate_t*))get_public_key;
- this->public.destroy = (void (*) (certificate_t*))destroy;
+ file = fopen(filename, "r");
+ if (file == NULL)
+ {
+ return NULL;
+ }
- /* private functions */
- this->rsadp = rsadp;
- this->rsasp1 = rsadp; /* same algorithm */
- this->compute_prime = compute_prime;
+ if (fread(buffer, stb.st_size, 1, file) == -1)
+ {
+ return NULL;
+ }
- mpz_init(this->n);
- mpz_init(this->e);
- mpz_init(this->p);
- mpz_init(this->q);
- mpz_init(this->d);
- mpz_init(this->exp1);
- mpz_init(this->exp2);
- mpz_init(this->coeff);
- this->is_key_set = FALSE;
+ chunk.ptr = buffer;
+ chunk.len = stb.st_size;
- return &(this->public);
+ return certificate_create_from_chunk(chunk);
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-18 12:55:38 +0000