Class: OpenSSL::PKCS7

Inherits:
Object
  • Object
show all
Defined in:
ext/openssl/ossl_pkcs7.c

Defined Under Namespace

Classes: PKCS7Error, RecipientInfo, SignerInfo

Constant Summary collapse

Signer = 
cPKCS7Signer

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#new ⇒ Object #new(string) ⇒ Object

Many methods in this class aren’t documented.



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# File 'ext/openssl/ossl_pkcs7.c', line 375

static VALUE
ossl_pkcs7_initialize(int argc, VALUE *argv, VALUE self)
{
    PKCS7 *p7, *p7_orig = RTYPEDDATA_DATA(self);
    BIO *in;
    VALUE arg;

    if(rb_scan_args(argc, argv, "01", &arg) == 0)
        return self;
    arg = ossl_to_der_if_possible(arg);
    in = ossl_obj2bio(&arg);
    p7 = d2i_PKCS7_bio(in, NULL);
    if (!p7) {
        OSSL_BIO_reset(in);
        p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
    }
    BIO_free(in);
    if (!p7)
        ossl_raise(ePKCS7Error, "Could not parse the PKCS7");
    if (!p7->d.ptr) {
        PKCS7_free(p7);
        ossl_raise(ePKCS7Error, "No content in PKCS7");
    }

    RTYPEDDATA_DATA(self) = p7;
    PKCS7_free(p7_orig);
    ossl_pkcs7_set_data(self, Qnil);
    ossl_pkcs7_set_err_string(self, Qnil);

    return self;
}

Class Method Details

.encrypt(certs, data, cipher, flags = 0) ⇒ Object

Creates a PKCS #7 enveloped-data structure.

Before version 3.3.0, cipher was optional and defaulted to "RC2-40-CBC".

See also the man page PKCS7_encrypt(3).



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# File 'ext/openssl/ossl_pkcs7.c', line 313

static VALUE
ossl_pkcs7_s_encrypt(int argc, VALUE *argv, VALUE klass)
{
    VALUE certs, data, cipher, flags, cipher_holder;
    STACK_OF(X509) *x509s;
    BIO *in;
    const EVP_CIPHER *ciph;
    int flg, status = 0;
    VALUE ret;
    PKCS7 *p7;

    rb_scan_args(argc, argv, "22", &certs, &data, &cipher, &flags);
    if (NIL_P(cipher)) {
        rb_raise(rb_eArgError,
                 "cipher must be specified. Before version 3.3, " \
                 "the default cipher was RC2-40-CBC.");
    }
    ciph = ossl_evp_cipher_fetch(cipher, &cipher_holder);
    flg = NIL_P(flags) ? 0 : NUM2INT(flags);
    ret = NewPKCS7(cPKCS7);
    in = ossl_obj2bio(&data);
    x509s = ossl_protect_x509_ary2sk(certs, &status);
    if(status){
        BIO_free(in);
        rb_jump_tag(status);
    }
    if (!(p7 = PKCS7_encrypt(x509s, in, ciph, flg))) {
        BIO_free(in);
        sk_X509_pop_free(x509s, X509_free);
        ossl_raise(ePKCS7Error, NULL);
    }
    BIO_free(in);
    SetPKCS7(ret, p7);
    ossl_pkcs7_set_data(ret, data);
    rb_ivar_set(ret, id_cipher_holder, cipher_holder);
    sk_X509_pop_free(x509s, X509_free);

    return ret;
}

.read_smime(string) ⇒ Object 



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# File 'ext/openssl/ossl_pkcs7.c', line 196

static VALUE
ossl_pkcs7_s_read_smime(VALUE klass, VALUE arg)
{
    BIO *in, *out;
    PKCS7 *pkcs7;
    VALUE ret, data;

    ret = NewPKCS7(cPKCS7);
    in = ossl_obj2bio(&arg);
    out = NULL;
    pkcs7 = SMIME_read_PKCS7(in, &out);
    BIO_free(in);
    if (!pkcs7)
        ossl_raise(ePKCS7Error, "Could not parse the PKCS7");
    if (!pkcs7->d.ptr) {
        PKCS7_free(pkcs7);
        ossl_raise(ePKCS7Error, "No content in PKCS7");
    }

    data = out ? ossl_membio2str(out) : Qnil;
    SetPKCS7(ret, pkcs7);
    ossl_pkcs7_set_data(ret, data);
    ossl_pkcs7_set_err_string(ret, Qnil);

    return ret;
}

.sign(cert, key, data, [, certs [, flags]]) ⇒ Object 



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# File 'ext/openssl/ossl_pkcs7.c', line 262

static VALUE
ossl_pkcs7_s_sign(int argc, VALUE *argv, VALUE klass)
{
    VALUE cert, key, data, certs, flags;
    X509 *x509;
    EVP_PKEY *pkey;
    BIO *in;
    STACK_OF(X509) *x509s;
    int flg, status = 0;
    PKCS7 *pkcs7;
    VALUE ret;

    rb_scan_args(argc, argv, "32", &cert, &key, &data, &certs, &flags);
    x509 = GetX509CertPtr(cert); /* NO NEED TO DUP */
    pkey = GetPrivPKeyPtr(key); /* NO NEED TO DUP */
    flg = NIL_P(flags) ? 0 : NUM2INT(flags);
    ret = NewPKCS7(cPKCS7);
    in = ossl_obj2bio(&data);
    if(NIL_P(certs)) x509s = NULL;
    else{
        x509s = ossl_protect_x509_ary2sk(certs, &status);
        if(status){
            BIO_free(in);
            rb_jump_tag(status);
        }
    }
    if(!(pkcs7 = PKCS7_sign(x509, pkey, x509s, in, flg))){
        BIO_free(in);
        sk_X509_pop_free(x509s, X509_free);
        ossl_raise(ePKCS7Error, NULL);
    }
    SetPKCS7(ret, pkcs7);
    ossl_pkcs7_set_data(ret, data);
    ossl_pkcs7_set_err_string(ret, Qnil);
    BIO_free(in);
    sk_X509_pop_free(x509s, X509_free);

    return ret;
}

.write_smime(pkcs7[, data [, flags]]) ⇒ String

Returns:

  • (String) 


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# File 'ext/openssl/ossl_pkcs7.c', line 227

static VALUE
ossl_pkcs7_s_write_smime(int argc, VALUE *argv, VALUE klass)
{
    VALUE pkcs7, data, flags;
    BIO *out, *in;
    PKCS7 *p7;
    VALUE str;
    int flg;

    rb_scan_args(argc, argv, "12", &pkcs7, &data, &flags);
    flg = NIL_P(flags) ? 0 : NUM2INT(flags);
    if(NIL_P(data)) data = ossl_pkcs7_get_data(pkcs7);
    GetPKCS7(pkcs7, p7);
    if(!NIL_P(data) && PKCS7_is_detached(p7))
        flg |= PKCS7_DETACHED;
    in = NIL_P(data) ? NULL : ossl_obj2bio(&data);
    if(!(out = BIO_new(BIO_s_mem()))){
        BIO_free(in);
        ossl_raise(ePKCS7Error, NULL);
    }
    if(!SMIME_write_PKCS7(out, p7, in, flg)){
        BIO_free(out);
        BIO_free(in);
        ossl_raise(ePKCS7Error, NULL);
    }
    BIO_free(in);
    str = ossl_membio2str(out);

    return str;
}

Instance Method Details

#add_certificate(cert) ⇒ Object 



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# File 'ext/openssl/ossl_pkcs7.c', line 640

static VALUE
ossl_pkcs7_add_certificate(VALUE self, VALUE cert)
{
    PKCS7 *pkcs7;
    X509 *x509;

    GetPKCS7(self, pkcs7);
    x509 = GetX509CertPtr(cert);  /* NO NEED TO DUP */
    if (!PKCS7_add_certificate(pkcs7, x509)){
        ossl_raise(ePKCS7Error, NULL);
    }

    return self;
}

#add_crl(crl) ⇒ Object 



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# File 'ext/openssl/ossl_pkcs7.c', line 732

static VALUE
ossl_pkcs7_add_crl(VALUE self, VALUE crl)
{
    PKCS7 *pkcs7;
    X509_CRL *x509crl;

    GetPKCS7(self, pkcs7); /* NO DUP needed! */
    x509crl = GetX509CRLPtr(crl);
    if (!PKCS7_add_crl(pkcs7, x509crl)) {
        ossl_raise(ePKCS7Error, NULL);
    }

    return self;
}

#add_data(data) ⇒ Object Also known as: data= 



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# File 'ext/openssl/ossl_pkcs7.c', line 850

static VALUE
ossl_pkcs7_add_data(VALUE self, VALUE data)
{
    PKCS7 *pkcs7;
    BIO *out, *in;
    char buf[4096];
    int len, ret;

    GetPKCS7(self, pkcs7);
    if (PKCS7_type_is_signed(pkcs7)) {
        if (!PKCS7_content_new(pkcs7, NID_pkcs7_data))
            ossl_raise(ePKCS7Error, "PKCS7_content_new");
    }
    in = ossl_obj2bio(&data);
    if (!(out = PKCS7_dataInit(pkcs7, NULL))) {
        BIO_free(in);
        ossl_raise(ePKCS7Error, "PKCS7_dataInit");
    }
    for (;;) {
        if ((len = BIO_read(in, buf, sizeof(buf))) <= 0)
            break;
        if (BIO_write(out, buf, len) != len) {
            BIO_free_all(out);
            BIO_free(in);
            ossl_raise(ePKCS7Error, "BIO_write");
        }
    }
    if (BIO_flush(out) <= 0) {
        BIO_free_all(out);
        BIO_free(in);
        ossl_raise(ePKCS7Error, "BIO_flush");
    }
    ret = PKCS7_dataFinal(pkcs7, out);
    BIO_free_all(out);
    BIO_free(in);
    if (!ret)
        ossl_raise(ePKCS7Error, "PKCS7_dataFinal");
    ossl_pkcs7_set_data(self, Qnil);

    return data;
}

#add_recipient(recip) ⇒ Object 



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# File 'ext/openssl/ossl_pkcs7.c', line 594

static VALUE
ossl_pkcs7_add_recipient(VALUE self, VALUE recip)
{
    PKCS7 *pkcs7;
    PKCS7_RECIP_INFO *ri, *ri_new;

    GetPKCS7(self, pkcs7);
    GetPKCS7ri(recip, ri);

    ri_new = ossl_PKCS7_RECIP_INFO_dup(ri);
    if (!ri_new)
        ossl_raise(ePKCS7Error, "PKCS7_RECIP_INFO_dup");

    if (PKCS7_add_recipient_info(pkcs7, ri_new) != 1) {
        PKCS7_RECIP_INFO_free(ri_new);
        ossl_raise(ePKCS7Error, "PKCS7_add_recipient_info");
    }

    return self;
}

#add_signer(signer) ⇒ Object 



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# File 'ext/openssl/ossl_pkcs7.c', line 552

static VALUE
ossl_pkcs7_add_signer(VALUE self, VALUE signer)
{
    PKCS7 *pkcs7;
    PKCS7_SIGNER_INFO *si, *si_new;

    GetPKCS7(self, pkcs7);
    GetPKCS7si(signer, si);

    si_new = ossl_PKCS7_SIGNER_INFO_dup(si);
    if (!si_new)
        ossl_raise(ePKCS7Error, "PKCS7_SIGNER_INFO_dup");

    if (PKCS7_add_signer(pkcs7, si_new) != 1) {
        PKCS7_SIGNER_INFO_free(si_new);
        ossl_raise(ePKCS7Error, "PKCS7_add_signer");
    }

    return self;
}

#certificates ⇒ Object 



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# File 'ext/openssl/ossl_pkcs7.c', line 723

static VALUE
ossl_pkcs7_get_certificates(VALUE self)
{
    STACK_OF(X509) *certs = pkcs7_get_certs(self);
    if (!certs)
        return Qnil;
    return ossl_x509_sk2ary(certs);
}

#certificates=(ary) ⇒ Object 



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# File 'ext/openssl/ossl_pkcs7.c', line 707

static VALUE
ossl_pkcs7_set_certificates(VALUE self, VALUE ary)
{
    STACK_OF(X509) *certs;
    X509 *cert;

    certs = pkcs7_get_certs(self);
    if (certs) {
        while ((cert = sk_X509_pop(certs)))
            X509_free(cert);
    }
    rb_block_call(ary, rb_intern("each"), 0, 0, ossl_pkcs7_set_certs_i, self);

    return ary;
}

#cipher=(cipher) ⇒ Object 



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# File 'ext/openssl/ossl_pkcs7.c', line 536

static VALUE
ossl_pkcs7_set_cipher(VALUE self, VALUE cipher)
{
    PKCS7 *pkcs7;
    const EVP_CIPHER *ciph;
    VALUE cipher_holder;

    GetPKCS7(self, pkcs7);
    ciph = ossl_evp_cipher_fetch(cipher, &cipher_holder);
    if (!PKCS7_set_cipher(pkcs7, ciph))
        ossl_raise(ePKCS7Error, "PKCS7_set_cipher");
    rb_ivar_set(self, id_cipher_holder, cipher_holder);

    return cipher;
}

#crls ⇒ Object 



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# File 'ext/openssl/ossl_pkcs7.c', line 769

static VALUE
ossl_pkcs7_get_crls(VALUE self)
{
    STACK_OF(X509_CRL) *crls = pkcs7_get_crls(self);
    if (!crls)
        return Qnil;
    return ossl_x509crl_sk2ary(crls);
}

#crls=(ary) ⇒ Object 



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# File 'ext/openssl/ossl_pkcs7.c', line 753

static VALUE
ossl_pkcs7_set_crls(VALUE self, VALUE ary)
{
    STACK_OF(X509_CRL) *crls;
    X509_CRL *crl;

    crls = pkcs7_get_crls(self);
    if (crls) {
        while ((crl = sk_X509_CRL_pop(crls)))
            X509_CRL_free(crl);
    }
    rb_block_call(ary, rb_intern("each"), 0, 0, ossl_pkcs7_set_crls_i, self);

    return ary;
}

#decrypt(*args) ⇒ Object 



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# File 'ext/openssl/ossl_pkcs7.c', line 823

static VALUE
ossl_pkcs7_decrypt(int argc, VALUE *argv, VALUE self)
{
    VALUE pkey, cert, flags;
    EVP_PKEY *key;
    X509 *x509;
    int flg;
    PKCS7 *p7;
    BIO *out;
    VALUE str;

    rb_scan_args(argc, argv, "12", &pkey, &cert, &flags);
    key = GetPrivPKeyPtr(pkey); /* NO NEED TO DUP */
    x509 = NIL_P(cert) ? NULL : GetX509CertPtr(cert); /* NO NEED TO DUP */
    flg = NIL_P(flags) ? 0 : NUM2INT(flags);
    GetPKCS7(self, p7);
    if(!(out = BIO_new(BIO_s_mem())))
        ossl_raise(ePKCS7Error, NULL);
    if(!PKCS7_decrypt(p7, key, x509, out, flg)){
        BIO_free(out);
        ossl_raise(ePKCS7Error, NULL);
    }
    str = ossl_membio2str(out); /* out will be free */

    return str;
}

#detached ⇒ Object 



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# File 'ext/openssl/ossl_pkcs7.c', line 518

static VALUE
ossl_pkcs7_get_detached(VALUE self)
{
    PKCS7 *p7;
    GetPKCS7(self, p7);
    if (!PKCS7_type_is_signed(p7))
        return Qfalse;
    return PKCS7_get_detached(p7) ? Qtrue : Qfalse;
}

#detached=(flag) ⇒ Object 



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# File 'ext/openssl/ossl_pkcs7.c', line 504

static VALUE
ossl_pkcs7_set_detached(VALUE self, VALUE flag)
{
    PKCS7 *p7;

    GetPKCS7(self, p7);
    if(flag != Qtrue && flag != Qfalse)
        ossl_raise(ePKCS7Error, "must specify a boolean");
    if(!PKCS7_set_detached(p7, flag == Qtrue ? 1 : 0))
        ossl_raise(ePKCS7Error, NULL);

    return flag;
}

#detached? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/openssl/ossl_pkcs7.c', line 528

static VALUE
ossl_pkcs7_detached_p(VALUE self)
{
    PKCS7 *p7;
    GetPKCS7(self, p7);
    return PKCS7_is_detached(p7) ? Qtrue : Qfalse;
}

#initialize_copy(other) ⇒ Object

:nodoc:



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# File 'ext/openssl/ossl_pkcs7.c', line 408

static VALUE
ossl_pkcs7_copy(VALUE self, VALUE other)
{
    PKCS7 *a, *b, *pkcs7;

    rb_check_frozen(self);
    if (self == other) return self;

    GetPKCS7(self, a);
    GetPKCS7(other, b);

    pkcs7 = PKCS7_dup(b);
    if (!pkcs7) {
        ossl_raise(ePKCS7Error, NULL);
    }
    DATA_PTR(self) = pkcs7;
    PKCS7_free(a);

    return self;
}

#recipients ⇒ Object 



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# File 'ext/openssl/ossl_pkcs7.c', line 615

static VALUE
ossl_pkcs7_get_recipient(VALUE self)
{
    PKCS7 *pkcs7;
    STACK_OF(PKCS7_RECIP_INFO) *sk;
    int num, i;
    VALUE ary;

    GetPKCS7(self, pkcs7);
    if (PKCS7_type_is_enveloped(pkcs7))
        sk = pkcs7->d.enveloped->recipientinfo;
    else if (PKCS7_type_is_signedAndEnveloped(pkcs7))
        sk = pkcs7->d.signed_and_enveloped->recipientinfo;
    else sk = NULL;
    if (!sk) return rb_ary_new();
    num = sk_PKCS7_RECIP_INFO_num(sk);
    ary = rb_ary_new_capa(num);
    for (i=0; i<num; i++) {
        PKCS7_RECIP_INFO *ri = sk_PKCS7_RECIP_INFO_value(sk, i);
        rb_ary_push(ary, ossl_pkcs7ri_new(ri));
    }

    return ary;
}

#signers ⇒ Object 



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# File 'ext/openssl/ossl_pkcs7.c', line 573

static VALUE
ossl_pkcs7_get_signer(VALUE self)
{
    PKCS7 *pkcs7;
    STACK_OF(PKCS7_SIGNER_INFO) *sk;
    int num, i;
    VALUE ary;

    GetPKCS7(self, pkcs7);
    if (!(sk = PKCS7_get_signer_info(pkcs7)))
        return rb_ary_new();
    num = sk_PKCS7_SIGNER_INFO_num(sk);
    ary = rb_ary_new_capa(num);
    for (i=0; i<num; i++) {
        PKCS7_SIGNER_INFO *si = sk_PKCS7_SIGNER_INFO_value(sk, i);
        rb_ary_push(ary, ossl_pkcs7si_new(si));
    }

    return ary;
}

#to_der ⇒ Object 



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# File 'ext/openssl/ossl_pkcs7.c', line 892

static VALUE
ossl_pkcs7_to_der(VALUE self)
{
    PKCS7 *pkcs7;
    VALUE str;
    long len;
    unsigned char *p;

    GetPKCS7(self, pkcs7);
    if((len = i2d_PKCS7(pkcs7, NULL)) <= 0)
        ossl_raise(ePKCS7Error, NULL);
    str = rb_str_new(0, len);
    p = (unsigned char *)RSTRING_PTR(str);
    if(i2d_PKCS7(pkcs7, &p) <= 0)
        ossl_raise(ePKCS7Error, NULL);
    ossl_str_adjust(str, p);

    return str;
}

#to_pem ⇒ Object Also known as: to_s 



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# File 'ext/openssl/ossl_pkcs7.c', line 931

static VALUE
ossl_pkcs7_to_pem(VALUE self)
{
    PKCS7 *pkcs7;
    BIO *out;
    VALUE str;

    GetPKCS7(self, pkcs7);
    if (!(out = BIO_new(BIO_s_mem()))) {
        ossl_raise(ePKCS7Error, NULL);
    }
    if (!PEM_write_bio_PKCS7(out, pkcs7)) {
        BIO_free(out);
        ossl_raise(ePKCS7Error, NULL);
    }
    str = ossl_membio2str(out);

    return str;
}

#to_text ⇒ Object 



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# File 'ext/openssl/ossl_pkcs7.c', line 912

static VALUE
ossl_pkcs7_to_text(VALUE self)
{
    PKCS7 *pkcs7;
    BIO *out;
    VALUE str;

    GetPKCS7(self, pkcs7);
    if(!(out = BIO_new(BIO_s_mem())))
        ossl_raise(ePKCS7Error, NULL);
    if(!PKCS7_print_ctx(out, pkcs7, 0, NULL)) {
        BIO_free(out);
        ossl_raise(ePKCS7Error, NULL);
    }
    str = ossl_membio2str(out);

    return str;
}

#type ⇒ String?

Returns:

  • (String, nil) 


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# File 'ext/openssl/ossl_pkcs7.c', line 485

static VALUE
ossl_pkcs7_get_type(VALUE self)
{
    PKCS7 *p7;

    GetPKCS7(self, p7);
    if(PKCS7_type_is_signed(p7))
        return ID2SYM(rb_intern("signed"));
    if(PKCS7_type_is_encrypted(p7))
        return ID2SYM(rb_intern("encrypted"));
    if(PKCS7_type_is_enveloped(p7))
        return ID2SYM(rb_intern("enveloped"));
    if(PKCS7_type_is_signedAndEnveloped(p7))
        return ID2SYM(rb_intern("signedAndEnveloped"));
    if(PKCS7_type_is_data(p7))
        return ID2SYM(rb_intern("data"));
    return Qnil;
}

#type=(type) ⇒ Object 



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# File 'ext/openssl/ossl_pkcs7.c', line 469

static VALUE
ossl_pkcs7_set_type(VALUE self, VALUE type)
{
    PKCS7 *p7;

    GetPKCS7(self, p7);
    if(!PKCS7_set_type(p7, ossl_pkcs7_sym2typeid(type)))
        ossl_raise(ePKCS7Error, NULL);

    return type;
}

#verify(*args) ⇒ Object 



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# File 'ext/openssl/ossl_pkcs7.c', line 778

static VALUE
ossl_pkcs7_verify(int argc, VALUE *argv, VALUE self)
{
    VALUE certs, store, indata, flags;
    STACK_OF(X509) *x509s;
    X509_STORE *x509st;
    int flg, ok, status = 0;
    BIO *in, *out;
    PKCS7 *p7;
    VALUE data;

    GetPKCS7(self, p7);
    rb_scan_args(argc, argv, "22", &certs, &store, &indata, &flags);
    x509st = GetX509StorePtr(store);
    flg = NIL_P(flags) ? 0 : NUM2INT(flags);
    if(NIL_P(indata)) indata = ossl_pkcs7_get_data(self);
    in = NIL_P(indata) ? NULL : ossl_obj2bio(&indata);
    if(NIL_P(certs)) x509s = NULL;
    else{
        x509s = ossl_protect_x509_ary2sk(certs, &status);
        if(status){
            BIO_free(in);
            rb_jump_tag(status);
        }
    }
    if(!(out = BIO_new(BIO_s_mem()))){
        BIO_free(in);
        sk_X509_pop_free(x509s, X509_free);
        ossl_raise(ePKCS7Error, NULL);
    }
    ok = PKCS7_verify(p7, x509s, x509st, in, out, flg);
    BIO_free(in);
    sk_X509_pop_free(x509s, X509_free);
    data = ossl_membio2str(out);
    ossl_pkcs7_set_data(self, data);
    if (ok != 1) {
        const char *msg = ERR_reason_error_string(ERR_peek_error());
        ossl_pkcs7_set_err_string(self, msg ? rb_str_new_cstr(msg) : Qnil);
        ossl_clear_error();
        return Qfalse;
    }
    ossl_pkcs7_set_err_string(self, Qnil);
    return Qtrue;
}