本文整理汇总了C++中OPENSSL_clear_free函数的典型用法代码示例。如果您正苦于以下问题：C++ OPENSSL_clear_free函数的具体用法？C++ OPENSSL_clear_free怎么用？C++ OPENSSL_clear_free使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了OPENSSL_clear_free函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: SSL_SESSION_free
void SSL_SESSION_free(SSL_SESSION *ss)
{
int i;
if (ss == NULL)
return;
CRYPTO_DOWN_REF(&ss->references, &i, ss->lock);
REF_PRINT_COUNT("SSL_SESSION", ss);
if (i > 0)
return;
REF_ASSERT_ISNT(i < 0);
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_SESSION, ss, &ss->ex_data);
OPENSSL_cleanse(ss->master_key, sizeof(ss->master_key));
OPENSSL_cleanse(ss->session_id, sizeof(ss->session_id));
X509_free(ss->peer);
sk_X509_pop_free(ss->peer_chain, X509_free);
sk_SSL_CIPHER_free(ss->ciphers);
OPENSSL_free(ss->ext.hostname);
OPENSSL_free(ss->ext.tick);
#ifndef OPENSSL_NO_EC
OPENSSL_free(ss->ext.ecpointformats);
ss->ext.ecpointformats = NULL;
ss->ext.ecpointformats_len = 0;
OPENSSL_free(ss->ext.supportedgroups);
ss->ext.supportedgroups = NULL;
ss->ext.supportedgroups_len = 0;
#endif /* OPENSSL_NO_EC */
#ifndef OPENSSL_NO_PSK
OPENSSL_free(ss->psk_identity_hint);
OPENSSL_free(ss->psk_identity);
#endif
#ifndef OPENSSL_NO_SRP
OPENSSL_free(ss->srp_username);
#endif
OPENSSL_free(ss->ext.alpn_selected);
OPENSSL_free(ss->ticket_appdata);
CRYPTO_THREAD_lock_free(ss->lock);
OPENSSL_clear_free(ss, sizeof(*ss));
}
开发者ID:dgalaxy，项目名称:openssl，代码行数:41，代码来源:ssl_sess.c
示例2: PKCS12_key_gen_asc
int PKCS12_key_gen_asc(const char *pass, int passlen, unsigned char *salt,
int saltlen, int id, int iter, int n,
unsigned char *out, const EVP_MD *md_type)
{
int ret;
unsigned char *unipass;
int uniplen;
if (!pass) {
unipass = NULL;
uniplen = 0;
} else if (!OPENSSL_asc2uni(pass, passlen, &unipass, &uniplen)) {
PKCS12err(PKCS12_F_PKCS12_KEY_GEN_ASC, ERR_R_MALLOC_FAILURE);
return 0;
}
ret = PKCS12_key_gen_uni(unipass, uniplen, salt, saltlen,
id, iter, n, out, md_type);
if (ret <= 0)
return 0;
OPENSSL_clear_free(unipass, uniplen);
return ret;
}
开发者ID:1234-，项目名称:openssl，代码行数:22，代码来源:p12_key.c
示例3: EC_KEY_free
void EC_KEY_free(EC_KEY *r)
{
int i;
if (r == NULL)
return;
i = CRYPTO_add(&r->references, -1, CRYPTO_LOCK_EC);
#ifdef REF_PRINT
REF_PRINT("EC_KEY", r);
#endif
if (i > 0)
return;
#ifdef REF_CHECK
if (i < 0) {
fprintf(stderr, "EC_KEY_free, bad reference count\n");
abort();
}
#endif
if (r->meth->finish != NULL)
r->meth->finish(r);
#ifndef OPENSSL_NO_ENGINE
if (r->engine != NULL)
ENGINE_finish(r->engine);
#endif
EC_GROUP_free(r->group);
EC_POINT_free(r->pub_key);
BN_clear_free(r->priv_key);
EC_EX_DATA_free_all_data(&r->method_data);
OPENSSL_clear_free((void *)r, sizeof(EC_KEY));
}
开发者ID:AndreV84，项目名称:openssl，代码行数:36，代码来源:ec_key.c
示例4: DSA_verify
/*-
* returns
* 1: correct signature
* 0: incorrect signature
* -1: error
*/
int DSA_verify(int type, const unsigned char *dgst, int dgst_len,
const unsigned char *sigbuf, int siglen, DSA *dsa)
{
DSA_SIG *s;
const unsigned char *p = sigbuf;
unsigned char *der = NULL;
int derlen = -1;
int ret = -1;
s = DSA_SIG_new();
if (s == NULL)
return (ret);
if (d2i_DSA_SIG(&s, &p, siglen) == NULL)
goto err;
/* Ensure signature uses DER and doesn't have trailing garbage */
derlen = i2d_DSA_SIG(s, &der);
if (derlen != siglen || memcmp(sigbuf, der, derlen))
goto err;
ret = DSA_do_verify(dgst, dgst_len, s, dsa);
err:
OPENSSL_clear_free(der, derlen);
DSA_SIG_free(s);
return (ret);
}
开发者ID:AimaTeam-hehai，项目名称:openssl，代码行数:30，代码来源:dsa_asn1.c
示例5: ossl_ecdsa_verify
/*-
* returns
* 1: correct signature
* 0: incorrect signature
* -1: error
*/
int ossl_ecdsa_verify(int type, const unsigned char *dgst, int dgst_len,
const unsigned char *sigbuf, int sig_len, EC_KEY *eckey)
{
ECDSA_SIG *s;
const unsigned char *p = sigbuf;
unsigned char *der = NULL;
int derlen = -1;
int ret = -1;
s = ECDSA_SIG_new();
if (s == NULL)
return (ret);
if (d2i_ECDSA_SIG(&s, &p, sig_len) == NULL)
goto err;
/* Ensure signature uses DER and doesn't have trailing garbage */
derlen = i2d_ECDSA_SIG(s, &der);
if (derlen != sig_len || memcmp(sigbuf, der, derlen) != 0)
goto err;
ret = ECDSA_do_verify(dgst, dgst_len, s, eckey);
err:
OPENSSL_clear_free(der, derlen);
ECDSA_SIG_free(s);
return (ret);
}
开发者ID:AndreV84，项目名称:openssl，代码行数:30，代码来源:ecdsa_ossl.c
示例6: RSA_sign_ASN1_OCTET_STRING
int RSA_sign_ASN1_OCTET_STRING(int type,
const unsigned char *m, unsigned int m_len,
unsigned char *sigret, unsigned int *siglen,
RSA *rsa)
{
ASN1_OCTET_STRING sig;
int i, j, ret = 1;
unsigned char *p, *s;
sig.type = V_ASN1_OCTET_STRING;
sig.length = m_len;
sig.data = (unsigned char *)m;
i = i2d_ASN1_OCTET_STRING(&sig, NULL);
j = RSA_size(rsa);
if (i > (j - RSA_PKCS1_PADDING_SIZE)) {
RSAerr(RSA_F_RSA_SIGN_ASN1_OCTET_STRING,
RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY);
return (0);
}
s = OPENSSL_malloc((unsigned int)j + 1);
if (s == NULL) {
RSAerr(RSA_F_RSA_SIGN_ASN1_OCTET_STRING, ERR_R_MALLOC_FAILURE);
return (0);
}
p = s;
i2d_ASN1_OCTET_STRING(&sig, &p);
i = RSA_private_encrypt(i, s, sigret, rsa, RSA_PKCS1_PADDING);
if (i <= 0)
ret = 0;
else
*siglen = i;
OPENSSL_clear_free(s, (unsigned int)j + 1);
return (ret);
}
开发者ID:1234-，项目名称:openssl，代码行数:36，代码来源:rsa_saos.c
示例7: RSA_sign
int RSA_sign(int type, const unsigned char *m, unsigned int m_len,
unsigned char *sigret, unsigned int *siglen, RSA *rsa)
{
X509_SIG sig;
ASN1_TYPE parameter;
int i, j, ret = 1;
unsigned char *p, *tmps = NULL;
const unsigned char *s = NULL;
X509_ALGOR algor;
ASN1_OCTET_STRING digest;
if ((rsa->flags & RSA_FLAG_SIGN_VER) && rsa->meth->rsa_sign) {
return rsa->meth->rsa_sign(type, m, m_len, sigret, siglen, rsa);
}
/* Special case: SSL signature, just check the length */
if (type == NID_md5_sha1) {
if (m_len != SSL_SIG_LENGTH) {
RSAerr(RSA_F_RSA_SIGN, RSA_R_INVALID_MESSAGE_LENGTH);
return (0);
}
i = SSL_SIG_LENGTH;
s = m;
} else {
sig.algor = &algor;
sig.algor->algorithm = OBJ_nid2obj(type);
if (sig.algor->algorithm == NULL) {
RSAerr(RSA_F_RSA_SIGN, RSA_R_UNKNOWN_ALGORITHM_TYPE);
return (0);
}
if (OBJ_length(sig.algor->algorithm) == 0) {
RSAerr(RSA_F_RSA_SIGN,
RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD);
return (0);
}
parameter.type = V_ASN1_NULL;
parameter.value.ptr = NULL;
sig.algor->parameter = ¶meter;
sig.digest = &digest;
sig.digest->data = (unsigned char *)m; /* TMP UGLY CAST */
sig.digest->length = m_len;
i = i2d_X509_SIG(&sig, NULL);
}
j = RSA_size(rsa);
if (i > (j - RSA_PKCS1_PADDING_SIZE)) {
RSAerr(RSA_F_RSA_SIGN, RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY);
return (0);
}
if (type != NID_md5_sha1) {
tmps = OPENSSL_malloc((unsigned int)j + 1);
if (tmps == NULL) {
RSAerr(RSA_F_RSA_SIGN, ERR_R_MALLOC_FAILURE);
return (0);
}
p = tmps;
i2d_X509_SIG(&sig, &p);
s = tmps;
}
i = RSA_private_encrypt(i, s, sigret, rsa, RSA_PKCS1_PADDING);
if (i <= 0)
ret = 0;
else
*siglen = i;
if (type != NID_md5_sha1)
OPENSSL_clear_free(tmps, (unsigned int)j + 1);
return (ret);
}
开发者ID:375670450，项目名称:openssl，代码行数:68，代码来源:rsa_sign.c
示例8: EVP_PBE_scrypt
//.........这里部分代码省略.........
uint64_t i, Blen, Vlen;
/* Sanity check parameters */
/* initial check, r,p must be non zero, N >= 2 and a power of 2 */
if (r == 0 || p == 0 || N < 2 || (N & (N - 1)))
return 0;
/* Check p * r < SCRYPT_PR_MAX avoiding overflow */
if (p > SCRYPT_PR_MAX / r) {
EVPerr(EVP_F_EVP_PBE_SCRYPT, EVP_R_MEMORY_LIMIT_EXCEEDED);
return 0;
}
/*
* Need to check N: if 2^(128 * r / 8) overflows limit this is
* automatically satisfied since N <= UINT64_MAX.
*/
if (16 * r <= LOG2_UINT64_MAX) {
if (N >= (((uint64_t)1) << (16 * r))) {
EVPerr(EVP_F_EVP_PBE_SCRYPT, EVP_R_MEMORY_LIMIT_EXCEEDED);
return 0;
}
}
/* Memory checks: check total allocated buffer size fits in uint64_t */
/*
* B size in section 5 step 1.S
* Note: we know p * 128 * r < UINT64_MAX because we already checked
* p * r < SCRYPT_PR_MAX
*/
Blen = p * 128 * r;
/*
* Yet we pass it as integer to PKCS5_PBKDF2_HMAC... [This would
* have to be revised when/if PKCS5_PBKDF2_HMAC accepts size_t.]
*/
if (Blen > INT_MAX) {
EVPerr(EVP_F_EVP_PBE_SCRYPT, EVP_R_MEMORY_LIMIT_EXCEEDED);
return 0;
}
/*
* Check 32 * r * (N + 2) * sizeof(uint32_t) fits in uint64_t
* This is combined size V, X and T (section 4)
*/
i = UINT64_MAX / (32 * sizeof(uint32_t));
if (N + 2 > i / r) {
EVPerr(EVP_F_EVP_PBE_SCRYPT, EVP_R_MEMORY_LIMIT_EXCEEDED);
return 0;
}
Vlen = 32 * r * (N + 2) * sizeof(uint32_t);
/* check total allocated size fits in uint64_t */
if (Blen > UINT64_MAX - Vlen) {
EVPerr(EVP_F_EVP_PBE_SCRYPT, EVP_R_MEMORY_LIMIT_EXCEEDED);
return 0;
}
if (maxmem == 0)
maxmem = SCRYPT_MAX_MEM;
/* Check that the maximum memory doesn't exceed a size_t limits */
if (maxmem > SIZE_MAX)
maxmem = SIZE_MAX;
if (Blen + Vlen > maxmem) {
EVPerr(EVP_F_EVP_PBE_SCRYPT, EVP_R_MEMORY_LIMIT_EXCEEDED);
return 0;
}
/* If no key return to indicate parameters are OK */
if (key == NULL)
return 1;
B = OPENSSL_malloc((size_t)(Blen + Vlen));
if (B == NULL) {
EVPerr(EVP_F_EVP_PBE_SCRYPT, ERR_R_MALLOC_FAILURE);
return 0;
}
X = (uint32_t *)(B + Blen);
T = X + 32 * r;
V = T + 32 * r;
if (PKCS5_PBKDF2_HMAC(pass, passlen, salt, saltlen, 1, EVP_sha256(),
(int)Blen, B) == 0)
goto err;
for (i = 0; i < p; i++)
scryptROMix(B + 128 * r * i, r, N, X, T, V);
if (PKCS5_PBKDF2_HMAC(pass, passlen, B, (int)Blen, 1, EVP_sha256(),
keylen, key) == 0)
goto err;
rv = 1;
err:
if (rv == 0)
EVPerr(EVP_F_EVP_PBE_SCRYPT, EVP_R_PBKDF2_ERROR);
OPENSSL_clear_free(B, (size_t)(Blen + Vlen));
return rv;
}
开发者ID:hitched97，项目名称:openssl，代码行数:101，代码来源:pbe_scrypt.c
示例9: BIO_new
BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec)
{
BIO *b;
EVP_CIPHER_CTX *ctx;
const EVP_CIPHER *ciph;
X509_ALGOR *calg = ec->contentEncryptionAlgorithm;
unsigned char iv[EVP_MAX_IV_LENGTH], *piv = NULL;
unsigned char *tkey = NULL;
size_t tkeylen = 0;
int ok = 0;
int enc, keep_key = 0;
enc = ec->cipher ? 1 : 0;
b = BIO_new(BIO_f_cipher());
if (!b) {
CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO, ERR_R_MALLOC_FAILURE);
return NULL;
}
BIO_get_cipher_ctx(b, &ctx);
if (enc) {
ciph = ec->cipher;
/*
* If not keeping key set cipher to NULL so subsequent calls decrypt.
*/
if (ec->key)
ec->cipher = NULL;
} else {
ciph = EVP_get_cipherbyobj(calg->algorithm);
if (!ciph) {
CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO, CMS_R_UNKNOWN_CIPHER);
goto err;
}
}
if (EVP_CipherInit_ex(ctx, ciph, NULL, NULL, NULL, enc) <= 0) {
CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
CMS_R_CIPHER_INITIALISATION_ERROR);
goto err;
}
if (enc) {
int ivlen;
calg->algorithm = OBJ_nid2obj(EVP_CIPHER_CTX_type(ctx));
/* Generate a random IV if we need one */
ivlen = EVP_CIPHER_CTX_iv_length(ctx);
if (ivlen > 0) {
if (RAND_bytes(iv, ivlen) <= 0)
goto err;
piv = iv;
}
} else if (EVP_CIPHER_asn1_to_param(ctx, calg->parameter) <= 0) {
CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
CMS_R_CIPHER_PARAMETER_INITIALISATION_ERROR);
goto err;
}
tkeylen = EVP_CIPHER_CTX_key_length(ctx);
/* Generate random session key */
if (!enc || !ec->key) {
tkey = OPENSSL_malloc(tkeylen);
if (!tkey) {
CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO, ERR_R_MALLOC_FAILURE);
goto err;
}
if (EVP_CIPHER_CTX_rand_key(ctx, tkey) <= 0)
goto err;
}
if (!ec->key) {
ec->key = tkey;
ec->keylen = tkeylen;
tkey = NULL;
if (enc)
keep_key = 1;
else
ERR_clear_error();
}
if (ec->keylen != tkeylen) {
/* If necessary set key length */
if (EVP_CIPHER_CTX_set_key_length(ctx, ec->keylen) <= 0) {
/*
* Only reveal failure if debugging so we don't leak information
* which may be useful in MMA.
*/
if (enc || ec->debug) {
CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
CMS_R_INVALID_KEY_LENGTH);
goto err;
} else {
/* Use random key */
OPENSSL_clear_free(ec->key, ec->keylen);
ec->key = tkey;
ec->keylen = tkeylen;
//.........这里部分代码省略.........
开发者ID:375670450，项目名称:openssl，代码行数:101，代码来源:cms_enc.c
示例10: PEM_ASN1_write_bio
int PEM_ASN1_write_bio(i2d_of_void *i2d, const char *name, BIO *bp,
void *x, const EVP_CIPHER *enc, unsigned char *kstr,
int klen, pem_password_cb *callback, void *u)
{
EVP_CIPHER_CTX *ctx = NULL;
int dsize = 0, i = 0, j = 0, ret = 0;
unsigned char *p, *data = NULL;
const char *objstr = NULL;
char buf[PEM_BUFSIZE];
unsigned char key[EVP_MAX_KEY_LENGTH];
unsigned char iv[EVP_MAX_IV_LENGTH];
if (enc != NULL) {
objstr = OBJ_nid2sn(EVP_CIPHER_nid(enc));
if (objstr == NULL || EVP_CIPHER_iv_length(enc) == 0
|| EVP_CIPHER_iv_length(enc) > (int)sizeof(iv)
/*
* Check "Proc-Type: 4,Encrypted\nDEK-Info: objstr,hex-iv\n"
* fits into buf
*/
|| (strlen(objstr) + 23 + 2 * EVP_CIPHER_iv_length(enc) + 13)
> sizeof(buf)) {
PEMerr(PEM_F_PEM_ASN1_WRITE_BIO, PEM_R_UNSUPPORTED_CIPHER);
goto err;
}
}
if ((dsize = i2d(x, NULL)) < 0) {
PEMerr(PEM_F_PEM_ASN1_WRITE_BIO, ERR_R_ASN1_LIB);
dsize = 0;
goto err;
}
/* dsize + 8 bytes are needed */
/* actually it needs the cipher block size extra... */
data = OPENSSL_malloc((unsigned int)dsize + 20);
if (data == NULL) {
PEMerr(PEM_F_PEM_ASN1_WRITE_BIO, ERR_R_MALLOC_FAILURE);
goto err;
}
p = data;
i = i2d(x, &p);
if (enc != NULL) {
if (kstr == NULL) {
if (callback == NULL)
klen = PEM_def_callback(buf, PEM_BUFSIZE, 1, u);
else
klen = (*callback) (buf, PEM_BUFSIZE, 1, u);
if (klen <= 0) {
PEMerr(PEM_F_PEM_ASN1_WRITE_BIO, PEM_R_READ_KEY);
goto err;
}
#ifdef CHARSET_EBCDIC
/* Convert the pass phrase from EBCDIC */
ebcdic2ascii(buf, buf, klen);
#endif
kstr = (unsigned char *)buf;
}
if (RAND_bytes(iv, EVP_CIPHER_iv_length(enc)) <= 0) /* Generate a salt */
goto err;
/*
* The 'iv' is used as the iv and as a salt. It is NOT taken from
* the BytesToKey function
*/
if (!EVP_BytesToKey(enc, EVP_md5(), iv, kstr, klen, 1, key, NULL))
goto err;
if (kstr == (unsigned char *)buf)
OPENSSL_cleanse(buf, PEM_BUFSIZE);
buf[0] = '\0';
PEM_proc_type(buf, PEM_TYPE_ENCRYPTED);
PEM_dek_info(buf, objstr, EVP_CIPHER_iv_length(enc), (char *)iv);
/* k=strlen(buf); */
ret = 1;
if ((ctx = EVP_CIPHER_CTX_new()) == NULL
|| !EVP_EncryptInit_ex(ctx, enc, NULL, key, iv)
|| !EVP_EncryptUpdate(ctx, data, &j, data, i)
|| !EVP_EncryptFinal_ex(ctx, &(data[j]), &i))
ret = 0;
if (ret == 0)
goto err;
i += j;
} else {
ret = 1;
buf[0] = '\0';
}
i = PEM_write_bio(bp, name, buf, data, i);
if (i <= 0)
ret = 0;
err:
OPENSSL_cleanse(key, sizeof(key));
OPENSSL_cleanse(iv, sizeof(iv));
EVP_CIPHER_CTX_free(ctx);
OPENSSL_cleanse(buf, PEM_BUFSIZE);
OPENSSL_clear_free(data, (unsigned int)dsize);
return ret;
}
开发者ID:Ana06，项目名称:openssl，代码行数:99，代码来源:pem_lib.c
示例11: sha256_freectx
static void sha256_freectx(void *vctx)
{
SHA256_CTX *ctx = (SHA256_CTX *)vctx;
OPENSSL_clear_free(ctx, sizeof(*ctx));
}
开发者ID:dgalaxy，项目名称:openssl，代码行数:6，代码来源:sha.c
示例12: d2i_PKCS8_PRIV_KEY_INFO
EVP_PKEY *PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb,
void *u)
{
char *nm = NULL;
const unsigned char *p = NULL;
unsigned char *data = NULL;
long len;
int slen;
EVP_PKEY *ret = NULL;
if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_EVP_PKEY, bp, cb, u))
return NULL;
p = data;
if (strcmp(nm, PEM_STRING_PKCS8INF) == 0) {
PKCS8_PRIV_KEY_INFO *p8inf;
p8inf = d2i_PKCS8_PRIV_KEY_INFO(NULL, &p, len);
if (!p8inf)
goto p8err;
ret = EVP_PKCS82PKEY(p8inf);
if (x) {
EVP_PKEY_free((EVP_PKEY *)*x);
*x = ret;
}
PKCS8_PRIV_KEY_INFO_free(p8inf);
} else if (strcmp(nm, PEM_STRING_PKCS8) == 0) {
PKCS8_PRIV_KEY_INFO *p8inf;
X509_SIG *p8;
int klen;
char psbuf[PEM_BUFSIZE];
p8 = d2i_X509_SIG(NULL, &p, len);
if (!p8)
goto p8err;
if (cb)
klen = cb(psbuf, PEM_BUFSIZE, 0, u);
else
klen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u);
if (klen <= 0) {
PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY, PEM_R_BAD_PASSWORD_READ);
X509_SIG_free(p8);
goto err;
}
p8inf = PKCS8_decrypt(p8, psbuf, klen);
X509_SIG_free(p8);
if (!p8inf)
goto p8err;
ret = EVP_PKCS82PKEY(p8inf);
if (x) {
EVP_PKEY_free((EVP_PKEY *)*x);
*x = ret;
}
PKCS8_PRIV_KEY_INFO_free(p8inf);
} else if ((slen = pem_check_suffix(nm, "PRIVATE KEY")) > 0) {
const EVP_PKEY_ASN1_METHOD *ameth;
ameth = EVP_PKEY_asn1_find_str(NULL, nm, slen);
if (!ameth || !ameth->old_priv_decode)
goto p8err;
ret = d2i_PrivateKey(ameth->pkey_id, x, &p, len);
}
p8err:
if (ret == NULL)
PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY, ERR_R_ASN1_LIB);
err:
OPENSSL_free(nm);
OPENSSL_clear_free(data, len);
return (ret);
}
开发者ID:AndreV84，项目名称:openssl，代码行数:67，代码来源:pem_pkey.c
示例13: bnrand
static int bnrand(int pseudorand, BIGNUM *rnd, int bits, int top, int bottom)
{
unsigned char *buf = NULL;
int ret = 0, bit, bytes, mask;
time_t tim;
if (bits == 0) {
BN_zero(rnd);
return 1;
}
bytes = (bits + 7) / 8;
bit = (bits - 1) % 8;
mask = 0xff << (bit + 1);
buf = OPENSSL_malloc(bytes);
if (buf == NULL) {
BNerr(BN_F_BNRAND, ERR_R_MALLOC_FAILURE);
goto err;
}
/* make a random number and set the top and bottom bits */
time(&tim);
RAND_add(&tim, sizeof(tim), 0.0);
if (pseudorand) {
if (RAND_bytes(buf, bytes) <= 0)
goto err;
} else {
if (RAND_bytes(buf, bytes) <= 0)
goto err;
}
if (pseudorand == 2) {
/*
* generate patterns that are more likely to trigger BN library bugs
*/
int i;
unsigned char c;
for (i = 0; i < bytes; i++) {
if (RAND_bytes(&c, 1) <= 0)
goto err;
if (c >= 128 && i > 0)
buf[i] = buf[i - 1];
else if (c < 42)
buf[i] = 0;
else if (c < 84)
buf[i] = 255;
}
}
if (top != -1) {
if (top) {
if (bit == 0) {
buf[0] = 1;
buf[1] |= 0x80;
} else {
buf[0] |= (3 << (bit - 1));
}
} else {
buf[0] |= (1 << bit);
}
}
buf[0] &= ~mask;
if (bottom) /* set bottom bit if requested */
buf[bytes - 1] |= 1;
if (!BN_bin2bn(buf, bytes, rnd))
goto err;
ret = 1;
err:
OPENSSL_clear_free(buf, bytes);
bn_check_top(rnd);
return (ret);
}
开发者ID:AmesianX，项目名称:openssl，代码行数:75，代码来源:bn_rand.c
示例14: rsa_ossl_public_encrypt
static int rsa_ossl_public_encrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding)
{
BIGNUM *f, *ret;
int i, j, k, num = 0, r = -1;
unsigned char *buf = NULL;
BN_CTX *ctx = NULL;
if (BN_num_bits(rsa->n) > OPENSSL_RSA_MAX_MODULUS_BITS) {
RSAerr(RSA_F_RSA_OSSL_PUBLIC_ENCRYPT, RSA_R_MODULUS_TOO_LARGE);
return -1;
}
if (BN_ucmp(rsa->n, rsa->e) <= 0) {
RSAerr(RSA_F_RSA_OSSL_PUBLIC_ENCRYPT, RSA_R_BAD_E_VALUE);
return -1;
}
/* for large moduli, enforce exponent limit */
if (BN_num_bits(rsa->n) > OPENSSL_RSA_SMALL_MODULUS_BITS) {
if (BN_num_bits(rsa->e) > OPENSSL_RSA_MAX_PUBEXP_BITS) {
RSAerr(RSA_F_RSA_OSSL_PUBLIC_ENCRYPT, RSA_R_BAD_E_VALUE);
return -1;
}
}
if ((ctx = BN_CTX_new()) == NULL)
goto err;
BN_CTX_start(ctx);
f = BN_CTX_get(ctx);
ret = BN_CTX_get(ctx);
num = BN_num_bytes(rsa->n);
buf = OPENSSL_malloc(num);
if (ret == NULL || buf == NULL) {
RSAerr(RSA_F_RSA_OSSL_PUBLIC_ENCRYPT, ERR_R_MALLOC_FAILURE);
goto err;
}
switch (padding) {
case RSA_PKCS1_PADDING:
i = RSA_padding_add_PKCS1_type_2(buf, num, from, flen);
break;
case RSA_PKCS1_OAEP_PADDING:
i = RSA_padding_add_PKCS1_OAEP(buf, num, from, flen, NULL, 0);
break;
case RSA_SSLV23_PADDING:
i = RSA_padding_add_SSLv23(buf, num, from, flen);
break;
case RSA_NO_PADDING:
i = RSA_padding_add_none(buf, num, from, flen);
break;
default:
RSAerr(RSA_F_RSA_OSSL_PUBLIC_ENCRYPT, RSA_R_UNKNOWN_PADDING_TYPE);
goto err;
}
if (i <= 0)
goto err;
if (BN_bin2bn(buf, num, f) == NULL)
goto err;
if (BN_ucmp(f, rsa->n) >= 0) {
/* usually the padding functions would catch this */
RSAerr(RSA_F_RSA_OSSL_PUBLIC_ENCRYPT,
RSA_R_DATA_TOO_LARGE_FOR_MODULUS);
goto err;
}
if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)
if (!BN_MONT_CTX_set_locked
(&rsa->_method_mod_n, rsa->lock, rsa->n, ctx))
goto err;
if (!rsa->meth->bn_mod_exp(ret, f, rsa->e, rsa->n, ctx,
rsa->_method_mod_n))
goto err;
/*
* put in leading 0 bytes if the number is less than the length of the
* modulus
*/
j = BN_num_bytes(ret);
i = BN_bn2bin(ret, &(to[num - j]));
for (k = 0; k < (num - i); k++)
to[k] = 0;
r = num;
err:
if (ctx != NULL)
BN_CTX_end(ctx);
BN_CTX_free(ctx);
OPENSSL_clear_free(buf, num);
return r;
}
开发者ID:Bilibili，项目名称:openssl，代码行数:94，代码来源:rsa_ossl.c
示例15: rsa_ossl_public_decrypt
/* signature verification */
static int rsa_ossl_public_decrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding)
{
BIGNUM *f, *ret;
int i, num = 0, r = -1;
unsigned char *p;
unsigned char *buf = NULL;
BN_CTX *ctx = NULL;
if (BN_num_bits(rsa->n) > OPENSSL_RSA_MAX_MODULUS_BITS) {
RSAerr(RSA_F_RSA_OSSL_PUBLIC_DECRYPT, RSA_R_MODULUS_TOO_LARGE);
return -1;
}
if (BN_ucmp(rsa->n, rsa->e) <= 0) {
RSAerr(RSA_F_RSA_OSSL_PUBLIC_DECRYPT, RSA_R_BAD_E_VALUE);
return -1;
}
/* for large moduli, enforce exponent limit */
if (BN_num_bits(rsa->n) > OPENSSL_RSA_SMALL_MODULUS_BITS) {
if (BN_num_bits(rsa->e) > OPENSSL_RSA_MAX_PUBEXP_BITS) {
RSAerr(RSA_F_RSA_OSSL_PUBLIC_DECRYPT, RSA_R_BAD_E_VALUE);
return -1;
}
}
if ((ctx = BN_CTX_new()) == NULL)
goto err;
BN_CTX_start(ctx);
f = BN_CTX_get(ctx);
ret = BN_CTX_get(ctx);
num = BN_num_bytes(rsa->n);
buf = OPENSSL_malloc(num);
if (ret == NULL || buf == NULL) {
RSAerr(RSA_F_RSA_OSSL_PUBLIC_DECRYPT, ERR_R_MALLOC_FAILURE);
goto err;
}
/*
* This check was for equality but PGP does evil things and chops off the
* top '0' bytes
*/
if (flen > num) {
RSAerr(RSA_F_RSA_OSSL_PUBLIC_DECRYPT, RSA_R_DATA_GREATER_THAN_MOD_LEN);
goto err;
}
if (BN_bin2bn(from, flen, f) == NULL)
goto err;
if (BN_ucmp(f, rsa->n) >= 0) {
RSAerr(RSA_F_RSA_OSSL_PUBLIC_DECRYPT,
RSA_R_DATA_TOO_LARGE_FOR_MODULUS);
goto err;
}
if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)
if (!BN_MONT_CTX_set_locked
(&rsa->_method_mod_n, rsa->lock, rsa->n, ctx))
goto err;
if (!rsa->meth->bn_mod_exp(ret, f, rsa->e, rsa->n, ctx,
rsa->_method_mod_n))
goto err;
if ((padding == RSA_X931_PADDING) && ((bn_get_words(ret)[0] & 0xf) != 12))
if (!BN_sub(ret, rsa->n, ret))
goto err;
p = buf;
i = BN_bn2bin(ret, p);
switch (padding) {
case RSA_PKCS1_PADDING:
r = RSA_padding_check_PKCS1_type_1(to, num, buf, i, num);
break;
case RSA_X931_PADDING:
r = RSA_padding_check_X931(to, num, buf, i, num);
break;
case RSA_NO_PADDING:
r = RSA_padding_check_none(to, num, buf, i, num);
break;
default:
RSAerr(RSA_F_RSA_OSSL_PUBLIC_DECRYPT, RSA_R_UNKNOWN_PADDING_TYPE);
goto err;
}
if (r < 0)
RSAerr(RSA_F_RSA_OSSL_PUBLIC_DECRYPT, RSA_R_PADDING_CHECK_FAILED);
err:
if (ctx != NULL)
BN_CTX_end(ctx);
BN_CTX_free(ctx);
OPENSSL_clear_free(buf, num);
return r;
}
开发者ID:Bilibili，项目名称:openssl，代码行数:98，代码来源:rsa_ossl.c
示例16: rsa_ossl_private_decrypt
//.........这里部分代码省略.........
* top '0' bytes
*/
if (flen > num) {
RSAerr(RSA_F_RSA_OSSL_PRIVATE_DECRYPT,
RSA_R_DATA_GREATER_THAN_MOD_LEN);
goto err;
}
/* make data into a big number */
if (BN_bin2bn(from, (int)flen, f) == NULL)
goto err;
if (BN_ucmp(f, rsa->n) >= 0) {
RSAerr(RSA_F_RSA_OSSL_PRIVATE_DECRYPT,
RSA_R_DATA_TOO_LARGE_FOR_MODULUS);
goto err;
}
if (!(rsa->flags & RSA_FLAG_NO_BLINDING)) {
blinding = rsa_get_blinding(rsa, &local_blinding, ctx);
if (blinding == NULL) {
RSAerr(RSA_F_RSA_OSSL_PRIVATE_DECRYPT, ERR_R_INTERNAL_ERROR);
goto err;
}
}
if (blinding != NULL) {
if (!local_blinding && ((unblind = BN_CTX_get(ctx)) == NULL)) {
RSAerr(RSA_F_RSA_OSSL_PRIVATE_DECRYPT, ERR_R_MALLOC_FAILURE);
goto err;
}
if (!rsa_blinding_convert(blinding, f, unblind, ctx))
goto err;
}
/* do the decrypt */
if ((rsa->flags & RSA_FLAG_EXT_PKEY) ||
(rsa->version == RSA_ASN1_VERSION_MULTI) ||
((rsa->p != NULL) &&
(rsa->q != NULL) &&
(rsa->dmp1 != NULL) && (rsa->dmq1 != NULL) && (rsa->iqmp != NULL))) {
if (!rsa->meth->rsa_mod_exp(ret, f, rsa, ctx))
goto err;
} else {
BIGNUM *d = BN_new();
if (d == NULL) {
RSAerr(RSA_F_RSA_OSSL_PRIVATE_DECRYPT, ERR_R_MALLOC_FAILURE);
goto err;
}
BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);
if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)
if (!BN_MONT_CTX_set_locked
(&rsa->_method_mod_n, rsa->lock, rsa->n, ctx)) {
BN_free(d);
goto err;
}
if (!rsa->meth->bn_mod_exp(ret, f, d, rsa->n, ctx,
rsa->_method_mod_n)) {
BN_free(d);
goto err;
}
/* We MUST free d before any further use of rsa->d */
BN_free(d);
}
if (blinding)
if (!rsa_blinding_invert(blinding, ret, unblind, ctx))
goto err;
p = buf;
j = BN_bn2bin(ret, p); /* j is only used with no-padding mode */
switch (padding) {
case RSA_PKCS1_PADDING:
r = RSA_padding_check_PKCS1_type_2(to, num, buf, j, num);
break;
case RSA_PKCS1_OAEP_PADDING:
r = RSA_padding_check_PKCS1_OAEP(to, num, buf, j, num, NULL, 0);
break;
case RSA_SSLV23_PADDING:
r = RSA_padding_check_SSLv23(to, num, buf, j, num);
break;
case RSA_NO_PADDING:
r = RSA_padding_check_none(to, num, buf, j, num);
break;
default:
RSAerr(RSA_F_RSA_OSSL_PRIVATE_DECRYPT, RSA_R_UNKNOWN_PADDING_TYPE);
goto err;
}
if (r < 0)
RSAerr(RSA_F_RSA_OSSL_PRIVATE_DECRYPT, RSA_R_PADDING_CHECK_FAILED);
err:
if (ctx != NULL)
BN_CTX_end(ctx);
BN_CTX_free(ctx);
OPENSSL_clear_free(buf, num);
return r;
}
开发者ID:Bilibili，项目名称:openssl，代码行数:101，代码来源:rsa_ossl.c
示例17: rsa_ossl_private_encrypt
//.........这里部分代码省略.........
case RSA_NO_PADDING:
i = RSA_padding_add_none(buf, num, from, flen);
break;
case RSA_SSLV23_PADDING:
default:
RSAerr(RSA_F_RSA_OSSL_PRIVATE_ENCRYPT, RSA_R_UNKNOWN_PADDING_TYPE);
goto err;
}
if (i <= 0)
goto err;
if (BN_bin2bn(buf, num, f) == NULL)
goto err;
if (BN_ucmp(f, rsa->n) >= 0) {
/* usually the padding functions would catch this */
RSAerr(RSA_F_RSA_OSSL_PRIVATE_ENCRYPT,
RSA_R_DATA_TOO_LARGE_FOR_MODULUS);
goto err;
}
if (!(rsa->flags & RSA_FLAG_NO_BLINDING)) {
blinding = rsa_get_blinding(rsa, &local_blinding, ctx);
if (blinding == NULL) {
RSAerr(RSA_F_RSA_OSSL_PRIVATE_ENCRYPT, ERR_R_INTERNAL_ERROR);
goto err;
}
}
if (blinding != NULL) {
if (!local_blinding && ((unblind = BN_CTX_get(ctx)) == NULL)) {
RSAerr(RSA_F_RSA_OSSL_PRIVATE_ENCRYPT, ERR_R_MALLOC_FAILURE);
goto err;
}
if (!rsa_blinding_convert(blinding, f, unblind, ctx))
goto err;
}
if ((rsa->flags & RSA_FLAG_EXT_PKEY) ||
(rsa->version == RSA_ASN1_VERSION_MULTI) ||
((rsa->p != NULL) &&
(rsa->q != NULL) &&
(rsa->dmp1 != NULL) && (rsa->dmq1 != NULL) && (rsa->iqmp != NULL))) {
if (!rsa->meth->rsa_mod_exp(ret, f, rsa, ctx))
goto err;
} else {
BIGNUM *d = BN_new();
if (d == NULL) {
RSAerr(RSA_F_RSA_OSSL_PRIVATE_ENCRYPT, ERR_R_MALLOC_FAILURE);
goto err;
}
BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);
if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)
if (!BN_MONT_CTX_set_locked
(&rsa->_method_mod_n, rsa->lock, rsa->n, ctx)) {
BN_free(d);
goto err;
}
if (!rsa->meth->bn_mod_exp(ret, f, d, rsa->n, ctx,
rsa->_method_mod_n)) {
BN_free(d);
goto err;
}
/* We MUST free d before any further use of rsa->d */
BN_free(d);
}
if (blinding)
if (!rsa_blinding_invert(blinding, ret, unblind, ctx))
goto err;
if (padding == RSA_X931_PADDING) {
BN_sub(f, rsa->n, ret);
if (BN_cmp(ret, f) > 0)
res = f;
else
res = ret;
} else {
res = ret;
}
/*
* put in leading 0 bytes if the number is less than the length of the
* modulus
*/
j = BN_num_bytes(res);
i = BN_bn2bin(res, &(to[num - j]));
for (k = 0; k < (num - i); k++)
to[k] = 0;
r = num;
err:
if (ctx != NULL)
BN_CTX_end(ctx);
BN_CTX_free(ctx);
OPENSSL_clear_free(buf, num);
return r;
}
开发者ID:Bilibili，项目名称:openssl，代码行数:101，代码来源:rsa_ossl.c
示例18: cms_RecipientInfo_ktri_decrypt
static int cms_RecipientInfo_ktri_decrypt(CMS_ContentInfo *cms,
CMS_RecipientInfo *ri)
{
CMS_KeyTransRecipientInfo *ktri = ri->d.ktri;
EVP_PKEY *pkey = ktri->pkey;
unsigned char *ek = NULL;
size_t eklen;
int ret = 0;
CMS_EncryptedContentInfo *ec;
ec = cms->d.envelopedData->encryptedContentInfo;
if (ktri->pkey == NULL) {
CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_DECRYPT, CMS_R_NO_PRIVATE_KEY);
return 0;
}
ktri->pctx = EVP_PKEY_CTX_new(pkey, NULL);
if (!ktri->pctx)
return 0;
if (EVP_PKEY_decrypt_init(ktri->pctx) <= 0)
goto err;
if (!cms_env_asn1_ctrl(ri, 1))
goto err;
if (EVP_PKEY_CTX_ctrl(ktri->pctx, -1, EVP_PKEY_OP_DECRYPT,
EVP_PKEY_CTRL_CMS_DECRYPT, 0, ri) <= 0) {
CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_DECRYPT, CMS_R_CTRL_ERROR);
goto err;
}
if (EVP_PKEY_decrypt(ktri->pctx, NULL, &eklen,
ktri->encryptedKey->data,
ktri->encryptedKey->length) <= 0)
goto err;
ek = OPENSSL_malloc(eklen);
if (ek == NULL) {
CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_DECRYPT, ERR_R_MALLOC_FAILURE);
goto err;
}
if (EVP_PKEY_decrypt(ktri->pctx, ek, &eklen,
ktri->encryptedKey->data,
ktri->encryptedKey->length) <= 0) {
CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_DECRYPT, CMS_R_CMS_LIB);
goto err;
}
ret = 1;
OPENSSL_clear_free(ec->key, ec->keylen);
ec->key = ek;
ec->keylen = eklen;
err:
EVP_PKEY_CTX_free(ktri->pctx);
ktri->pctx = NULL;
if (!ret)
OPENSSL_free(ek);
return ret;
}
开发者ID:redshodan，项目名称:mosh-openssl，代码行数:65，代码来源:cms_env.c
示例19: pkey_hkdf_ctrl
static int pkey_hkdf_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
{
HKDF_PKEY_CTX *kctx = ctx->data;
switch (type) {
case EVP_PKEY_CTRL_HKDF_MD:
if (p2 == NULL)
return 0;
kctx->md = p2;
return 1;
case EVP_PKEY_CTRL_HKDF_MODE:
kctx->mode = p1;
return 1;
case EVP_PKEY_CTRL_HKDF_SALT:
if (p1 == 0 || p2 == NULL)
return 1;
if (p1 < 0)
return 0;
if (kctx->salt != NULL)
OPENSSL_clear_free(kctx->salt, kctx->salt_len);
kctx->salt = OPENSSL_memdup(p2, p1);
if (kctx->salt == NULL)
return 0;
kctx->salt_len = p1;
return 1;
case EVP_PKEY_CTRL_HKDF_KEY:
if (p1 < 0)
return 0;
if (kctx->key != NULL)
OPENSSL_clear_free(kctx->key, kctx->key_len);
kctx->key = OPENSSL_memdup(p2, p1);
if (kctx->key == NULL)
return 0;
kctx->key_len = p1;
return 1;
case EVP_PKEY_CTRL_HKDF_INFO:
if (p1 == 0 || p2 == NULL)
return 1;
if (p1 < 0 || p1 > (int)(HKDF_MAXBUF - kctx->info_len))
return 0;
memcpy(kctx->info + kctx->info_len, p2, p1);
kctx->info_len += p1;
return 1;
default:
return -2;
}
}
开发者ID:Castaglia，项目名称:openssl，代码行数:63，代码来源:hkdf.c
示例20: ASN1_item_verify
int ASN1_item_verify(const ASN1_ITEM *it, X509_ALGOR *a,
ASN1_BIT_STRING *signature, void *asn, EVP_PKEY *pkey)
{
EVP_MD_CTX *ctx = NULL;
unsigned char *buf_in = NULL;
int ret = -1, inl;
int mdnid, pknid;
if (!pkey) {
ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ERR_R_PASSED_NULL_PARAMETER);
return -1;
}
if (signature->type == V_ASN1_BIT_STRING && signature->flags & 0x7) {
ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ASN1_R_INVALID_BIT_STRING_BITS_LEFT);
return -1;
}
ctx = EVP_MD_CTX_new();
if (ctx == NULL) {
ASN1err(ASN1_F
|
客服电话
APP下载
官方微信
请发表评论