[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/pem/pvkfmt.c b/ap/lib/libssl/openssl-1.1.1o/crypto/pem/pvkfmt.c
new file mode 100644
index 0000000..a933b7c
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/pem/pvkfmt.c
@@ -0,0 +1,886 @@
+/*
+ * Copyright 2005-2020 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+/*
+ * Support for PVK format keys and related structures (such a PUBLICKEYBLOB
+ * and PRIVATEKEYBLOB).
+ */
+
+#include "internal/cryptlib.h"
+#include <openssl/pem.h>
+#include <openssl/rand.h>
+#include <openssl/bn.h>
+#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
+# include <openssl/dsa.h>
+# include <openssl/rsa.h>
+
+/*
+ * Utility function: read a DWORD (4 byte unsigned integer) in little endian
+ * format
+ */
+
+static unsigned int read_ledword(const unsigned char **in)
+{
+ const unsigned char *p = *in;
+ unsigned int ret;
+ ret = (unsigned int)*p++;
+ ret |= (unsigned int)*p++ << 8;
+ ret |= (unsigned int)*p++ << 16;
+ ret |= (unsigned int)*p++ << 24;
+ *in = p;
+ return ret;
+}
+
+/*
+ * Read a BIGNUM in little endian format. The docs say that this should take
+ * up bitlen/8 bytes.
+ */
+
+static int read_lebn(const unsigned char **in, unsigned int nbyte, BIGNUM **r)
+{
+ *r = BN_lebin2bn(*in, nbyte, NULL);
+ if (*r == NULL)
+ return 0;
+ *in += nbyte;
+ return 1;
+}
+
+/* Convert private key blob to EVP_PKEY: RSA and DSA keys supported */
+
+# define MS_PUBLICKEYBLOB 0x6
+# define MS_PRIVATEKEYBLOB 0x7
+# define MS_RSA1MAGIC 0x31415352L
+# define MS_RSA2MAGIC 0x32415352L
+# define MS_DSS1MAGIC 0x31535344L
+# define MS_DSS2MAGIC 0x32535344L
+
+# define MS_KEYALG_RSA_KEYX 0xa400
+# define MS_KEYALG_DSS_SIGN 0x2200
+
+# define MS_KEYTYPE_KEYX 0x1
+# define MS_KEYTYPE_SIGN 0x2
+
+/* Maximum length of a blob after header */
+# define BLOB_MAX_LENGTH 102400
+
+/* The PVK file magic number: seems to spell out "bobsfile", who is Bob? */
+# define MS_PVKMAGIC 0xb0b5f11eL
+/* Salt length for PVK files */
+# define PVK_SALTLEN 0x10
+/* Maximum length in PVK header */
+# define PVK_MAX_KEYLEN 102400
+/* Maximum salt length */
+# define PVK_MAX_SALTLEN 10240
+
+static EVP_PKEY *b2i_rsa(const unsigned char **in,
+ unsigned int bitlen, int ispub);
+static EVP_PKEY *b2i_dss(const unsigned char **in,
+ unsigned int bitlen, int ispub);
+
+static int do_blob_header(const unsigned char **in, unsigned int length,
+ unsigned int *pmagic, unsigned int *pbitlen,
+ int *pisdss, int *pispub)
+{
+ const unsigned char *p = *in;
+ if (length < 16)
+ return 0;
+ /* bType */
+ if (*p == MS_PUBLICKEYBLOB) {
+ if (*pispub == 0) {
+ PEMerr(PEM_F_DO_BLOB_HEADER, PEM_R_EXPECTING_PRIVATE_KEY_BLOB);
+ return 0;
+ }
+ *pispub = 1;
+ } else if (*p == MS_PRIVATEKEYBLOB) {
+ if (*pispub == 1) {
+ PEMerr(PEM_F_DO_BLOB_HEADER, PEM_R_EXPECTING_PUBLIC_KEY_BLOB);
+ return 0;
+ }
+ *pispub = 0;
+ } else
+ return 0;
+ p++;
+ /* Version */
+ if (*p++ != 0x2) {
+ PEMerr(PEM_F_DO_BLOB_HEADER, PEM_R_BAD_VERSION_NUMBER);
+ return 0;
+ }
+ /* Ignore reserved, aiKeyAlg */
+ p += 6;
+ *pmagic = read_ledword(&p);
+ *pbitlen = read_ledword(&p);
+ *pisdss = 0;
+ switch (*pmagic) {
+
+ case MS_DSS1MAGIC:
+ *pisdss = 1;
+ /* fall thru */
+ case MS_RSA1MAGIC:
+ if (*pispub == 0) {
+ PEMerr(PEM_F_DO_BLOB_HEADER, PEM_R_EXPECTING_PRIVATE_KEY_BLOB);
+ return 0;
+ }
+ break;
+
+ case MS_DSS2MAGIC:
+ *pisdss = 1;
+ /* fall thru */
+ case MS_RSA2MAGIC:
+ if (*pispub == 1) {
+ PEMerr(PEM_F_DO_BLOB_HEADER, PEM_R_EXPECTING_PUBLIC_KEY_BLOB);
+ return 0;
+ }
+ break;
+
+ default:
+ PEMerr(PEM_F_DO_BLOB_HEADER, PEM_R_BAD_MAGIC_NUMBER);
+ return -1;
+ }
+ *in = p;
+ return 1;
+}
+
+static unsigned int blob_length(unsigned bitlen, int isdss, int ispub)
+{
+ unsigned int nbyte, hnbyte;
+ nbyte = (bitlen + 7) >> 3;
+ hnbyte = (bitlen + 15) >> 4;
+ if (isdss) {
+
+ /*
+ * Expected length: 20 for q + 3 components bitlen each + 24 for seed
+ * structure.
+ */
+ if (ispub)
+ return 44 + 3 * nbyte;
+ /*
+ * Expected length: 20 for q, priv, 2 bitlen components + 24 for seed
+ * structure.
+ */
+ else
+ return 64 + 2 * nbyte;
+ } else {
+ /* Expected length: 4 for 'e' + 'n' */
+ if (ispub)
+ return 4 + nbyte;
+ else
+ /*
+ * Expected length: 4 for 'e' and 7 other components. 2
+ * components are bitlen size, 5 are bitlen/2
+ */
+ return 4 + 2 * nbyte + 5 * hnbyte;
+ }
+
+}
+
+static EVP_PKEY *do_b2i(const unsigned char **in, unsigned int length,
+ int ispub)
+{
+ const unsigned char *p = *in;
+ unsigned int bitlen, magic;
+ int isdss;
+ if (do_blob_header(&p, length, &magic, &bitlen, &isdss, &ispub) <= 0) {
+ PEMerr(PEM_F_DO_B2I, PEM_R_KEYBLOB_HEADER_PARSE_ERROR);
+ return NULL;
+ }
+ length -= 16;
+ if (length < blob_length(bitlen, isdss, ispub)) {
+ PEMerr(PEM_F_DO_B2I, PEM_R_KEYBLOB_TOO_SHORT);
+ return NULL;
+ }
+ if (isdss)
+ return b2i_dss(&p, bitlen, ispub);
+ else
+ return b2i_rsa(&p, bitlen, ispub);
+}
+
+static EVP_PKEY *do_b2i_bio(BIO *in, int ispub)
+{
+ const unsigned char *p;
+ unsigned char hdr_buf[16], *buf = NULL;
+ unsigned int bitlen, magic, length;
+ int isdss;
+ EVP_PKEY *ret = NULL;
+ if (BIO_read(in, hdr_buf, 16) != 16) {
+ PEMerr(PEM_F_DO_B2I_BIO, PEM_R_KEYBLOB_TOO_SHORT);
+ return NULL;
+ }
+ p = hdr_buf;
+ if (do_blob_header(&p, 16, &magic, &bitlen, &isdss, &ispub) <= 0)
+ return NULL;
+
+ length = blob_length(bitlen, isdss, ispub);
+ if (length > BLOB_MAX_LENGTH) {
+ PEMerr(PEM_F_DO_B2I_BIO, PEM_R_HEADER_TOO_LONG);
+ return NULL;
+ }
+ buf = OPENSSL_malloc(length);
+ if (buf == NULL) {
+ PEMerr(PEM_F_DO_B2I_BIO, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ p = buf;
+ if (BIO_read(in, buf, length) != (int)length) {
+ PEMerr(PEM_F_DO_B2I_BIO, PEM_R_KEYBLOB_TOO_SHORT);
+ goto err;
+ }
+
+ if (isdss)
+ ret = b2i_dss(&p, bitlen, ispub);
+ else
+ ret = b2i_rsa(&p, bitlen, ispub);
+
+ err:
+ OPENSSL_free(buf);
+ return ret;
+}
+
+static EVP_PKEY *b2i_dss(const unsigned char **in,
+ unsigned int bitlen, int ispub)
+{
+ const unsigned char *p = *in;
+ EVP_PKEY *ret = NULL;
+ DSA *dsa = NULL;
+ BN_CTX *ctx = NULL;
+ unsigned int nbyte;
+ BIGNUM *pbn = NULL, *qbn = NULL, *gbn = NULL, *priv_key = NULL;
+ BIGNUM *pub_key = NULL;
+
+ nbyte = (bitlen + 7) >> 3;
+
+ dsa = DSA_new();
+ ret = EVP_PKEY_new();
+ if (dsa == NULL || ret == NULL)
+ goto memerr;
+ if (!read_lebn(&p, nbyte, &pbn))
+ goto memerr;
+
+ if (!read_lebn(&p, 20, &qbn))
+ goto memerr;
+
+ if (!read_lebn(&p, nbyte, &gbn))
+ goto memerr;
+
+ if (ispub) {
+ if (!read_lebn(&p, nbyte, &pub_key))
+ goto memerr;
+ } else {
+ if (!read_lebn(&p, 20, &priv_key))
+ goto memerr;
+
+ /* Set constant time flag before public key calculation */
+ BN_set_flags(priv_key, BN_FLG_CONSTTIME);
+
+ /* Calculate public key */
+ pub_key = BN_new();
+ if (pub_key == NULL)
+ goto memerr;
+ if ((ctx = BN_CTX_new()) == NULL)
+ goto memerr;
+
+ if (!BN_mod_exp(pub_key, gbn, priv_key, pbn, ctx))
+ goto memerr;
+
+ BN_CTX_free(ctx);
+ ctx = NULL;
+ }
+ if (!DSA_set0_pqg(dsa, pbn, qbn, gbn))
+ goto memerr;
+ pbn = qbn = gbn = NULL;
+ if (!DSA_set0_key(dsa, pub_key, priv_key))
+ goto memerr;
+ pub_key = priv_key = NULL;
+
+ if (!EVP_PKEY_set1_DSA(ret, dsa))
+ goto memerr;
+ DSA_free(dsa);
+ *in = p;
+ return ret;
+
+ memerr:
+ PEMerr(PEM_F_B2I_DSS, ERR_R_MALLOC_FAILURE);
+ DSA_free(dsa);
+ BN_free(pbn);
+ BN_free(qbn);
+ BN_free(gbn);
+ BN_free(pub_key);
+ BN_free(priv_key);
+ EVP_PKEY_free(ret);
+ BN_CTX_free(ctx);
+ return NULL;
+}
+
+static EVP_PKEY *b2i_rsa(const unsigned char **in,
+ unsigned int bitlen, int ispub)
+{
+ const unsigned char *pin = *in;
+ EVP_PKEY *ret = NULL;
+ BIGNUM *e = NULL, *n = NULL, *d = NULL;
+ BIGNUM *p = NULL, *q = NULL, *dmp1 = NULL, *dmq1 = NULL, *iqmp = NULL;
+ RSA *rsa = NULL;
+ unsigned int nbyte, hnbyte;
+ nbyte = (bitlen + 7) >> 3;
+ hnbyte = (bitlen + 15) >> 4;
+ rsa = RSA_new();
+ ret = EVP_PKEY_new();
+ if (rsa == NULL || ret == NULL)
+ goto memerr;
+ e = BN_new();
+ if (e == NULL)
+ goto memerr;
+ if (!BN_set_word(e, read_ledword(&pin)))
+ goto memerr;
+ if (!read_lebn(&pin, nbyte, &n))
+ goto memerr;
+ if (!ispub) {
+ if (!read_lebn(&pin, hnbyte, &p))
+ goto memerr;
+ if (!read_lebn(&pin, hnbyte, &q))
+ goto memerr;
+ if (!read_lebn(&pin, hnbyte, &dmp1))
+ goto memerr;
+ if (!read_lebn(&pin, hnbyte, &dmq1))
+ goto memerr;
+ if (!read_lebn(&pin, hnbyte, &iqmp))
+ goto memerr;
+ if (!read_lebn(&pin, nbyte, &d))
+ goto memerr;
+ if (!RSA_set0_factors(rsa, p, q))
+ goto memerr;
+ p = q = NULL;
+ if (!RSA_set0_crt_params(rsa, dmp1, dmq1, iqmp))
+ goto memerr;
+ dmp1 = dmq1 = iqmp = NULL;
+ }
+ if (!RSA_set0_key(rsa, n, e, d))
+ goto memerr;
+ n = e = d = NULL;
+
+ if (!EVP_PKEY_set1_RSA(ret, rsa))
+ goto memerr;
+ RSA_free(rsa);
+ *in = pin;
+ return ret;
+ memerr:
+ PEMerr(PEM_F_B2I_RSA, ERR_R_MALLOC_FAILURE);
+ BN_free(e);
+ BN_free(n);
+ BN_free(p);
+ BN_free(q);
+ BN_free(dmp1);
+ BN_free(dmq1);
+ BN_free(iqmp);
+ BN_free(d);
+ RSA_free(rsa);
+ EVP_PKEY_free(ret);
+ return NULL;
+}
+
+EVP_PKEY *b2i_PrivateKey(const unsigned char **in, long length)
+{
+ return do_b2i(in, length, 0);
+}
+
+EVP_PKEY *b2i_PublicKey(const unsigned char **in, long length)
+{
+ return do_b2i(in, length, 1);
+}
+
+EVP_PKEY *b2i_PrivateKey_bio(BIO *in)
+{
+ return do_b2i_bio(in, 0);
+}
+
+EVP_PKEY *b2i_PublicKey_bio(BIO *in)
+{
+ return do_b2i_bio(in, 1);
+}
+
+static void write_ledword(unsigned char **out, unsigned int dw)
+{
+ unsigned char *p = *out;
+ *p++ = dw & 0xff;
+ *p++ = (dw >> 8) & 0xff;
+ *p++ = (dw >> 16) & 0xff;
+ *p++ = (dw >> 24) & 0xff;
+ *out = p;
+}
+
+static void write_lebn(unsigned char **out, const BIGNUM *bn, int len)
+{
+ BN_bn2lebinpad(bn, *out, len);
+ *out += len;
+}
+
+static int check_bitlen_rsa(RSA *rsa, int ispub, unsigned int *magic);
+static int check_bitlen_dsa(DSA *dsa, int ispub, unsigned int *magic);
+
+static void write_rsa(unsigned char **out, RSA *rsa, int ispub);
+static void write_dsa(unsigned char **out, DSA *dsa, int ispub);
+
+static int do_i2b(unsigned char **out, EVP_PKEY *pk, int ispub)
+{
+ unsigned char *p;
+ unsigned int bitlen, magic = 0, keyalg;
+ int outlen, noinc = 0;
+ int pktype = EVP_PKEY_id(pk);
+ if (pktype == EVP_PKEY_DSA) {
+ bitlen = check_bitlen_dsa(EVP_PKEY_get0_DSA(pk), ispub, &magic);
+ keyalg = MS_KEYALG_DSS_SIGN;
+ } else if (pktype == EVP_PKEY_RSA) {
+ bitlen = check_bitlen_rsa(EVP_PKEY_get0_RSA(pk), ispub, &magic);
+ keyalg = MS_KEYALG_RSA_KEYX;
+ } else
+ return -1;
+ if (bitlen == 0)
+ return -1;
+ outlen = 16 + blob_length(bitlen,
+ keyalg == MS_KEYALG_DSS_SIGN ? 1 : 0, ispub);
+ if (out == NULL)
+ return outlen;
+ if (*out)
+ p = *out;
+ else {
+ if ((p = OPENSSL_malloc(outlen)) == NULL) {
+ PEMerr(PEM_F_DO_I2B, ERR_R_MALLOC_FAILURE);
+ return -1;
+ }
+ *out = p;
+ noinc = 1;
+ }
+ if (ispub)
+ *p++ = MS_PUBLICKEYBLOB;
+ else
+ *p++ = MS_PRIVATEKEYBLOB;
+ *p++ = 0x2;
+ *p++ = 0;
+ *p++ = 0;
+ write_ledword(&p, keyalg);
+ write_ledword(&p, magic);
+ write_ledword(&p, bitlen);
+ if (keyalg == MS_KEYALG_DSS_SIGN)
+ write_dsa(&p, EVP_PKEY_get0_DSA(pk), ispub);
+ else
+ write_rsa(&p, EVP_PKEY_get0_RSA(pk), ispub);
+ if (!noinc)
+ *out += outlen;
+ return outlen;
+}
+
+static int do_i2b_bio(BIO *out, EVP_PKEY *pk, int ispub)
+{
+ unsigned char *tmp = NULL;
+ int outlen, wrlen;
+ outlen = do_i2b(&tmp, pk, ispub);
+ if (outlen < 0)
+ return -1;
+ wrlen = BIO_write(out, tmp, outlen);
+ OPENSSL_free(tmp);
+ if (wrlen == outlen)
+ return outlen;
+ return -1;
+}
+
+static int check_bitlen_dsa(DSA *dsa, int ispub, unsigned int *pmagic)
+{
+ int bitlen;
+ const BIGNUM *p = NULL, *q = NULL, *g = NULL;
+ const BIGNUM *pub_key = NULL, *priv_key = NULL;
+
+ DSA_get0_pqg(dsa, &p, &q, &g);
+ DSA_get0_key(dsa, &pub_key, &priv_key);
+ bitlen = BN_num_bits(p);
+ if ((bitlen & 7) || (BN_num_bits(q) != 160)
+ || (BN_num_bits(g) > bitlen))
+ goto badkey;
+ if (ispub) {
+ if (BN_num_bits(pub_key) > bitlen)
+ goto badkey;
+ *pmagic = MS_DSS1MAGIC;
+ } else {
+ if (BN_num_bits(priv_key) > 160)
+ goto badkey;
+ *pmagic = MS_DSS2MAGIC;
+ }
+
+ return bitlen;
+ badkey:
+ PEMerr(PEM_F_CHECK_BITLEN_DSA, PEM_R_UNSUPPORTED_KEY_COMPONENTS);
+ return 0;
+}
+
+static int check_bitlen_rsa(RSA *rsa, int ispub, unsigned int *pmagic)
+{
+ int nbyte, hnbyte, bitlen;
+ const BIGNUM *e;
+
+ RSA_get0_key(rsa, NULL, &e, NULL);
+ if (BN_num_bits(e) > 32)
+ goto badkey;
+ bitlen = RSA_bits(rsa);
+ nbyte = RSA_size(rsa);
+ hnbyte = (bitlen + 15) >> 4;
+ if (ispub) {
+ *pmagic = MS_RSA1MAGIC;
+ return bitlen;
+ } else {
+ const BIGNUM *d, *p, *q, *iqmp, *dmp1, *dmq1;
+
+ *pmagic = MS_RSA2MAGIC;
+
+ /*
+ * For private key each component must fit within nbyte or hnbyte.
+ */
+ RSA_get0_key(rsa, NULL, NULL, &d);
+ if (BN_num_bytes(d) > nbyte)
+ goto badkey;
+ RSA_get0_factors(rsa, &p, &q);
+ RSA_get0_crt_params(rsa, &dmp1, &dmq1, &iqmp);
+ if ((BN_num_bytes(iqmp) > hnbyte)
+ || (BN_num_bytes(p) > hnbyte)
+ || (BN_num_bytes(q) > hnbyte)
+ || (BN_num_bytes(dmp1) > hnbyte)
+ || (BN_num_bytes(dmq1) > hnbyte))
+ goto badkey;
+ }
+ return bitlen;
+ badkey:
+ PEMerr(PEM_F_CHECK_BITLEN_RSA, PEM_R_UNSUPPORTED_KEY_COMPONENTS);
+ return 0;
+}
+
+static void write_rsa(unsigned char **out, RSA *rsa, int ispub)
+{
+ int nbyte, hnbyte;
+ const BIGNUM *n, *d, *e, *p, *q, *iqmp, *dmp1, *dmq1;
+
+ nbyte = RSA_size(rsa);
+ hnbyte = (RSA_bits(rsa) + 15) >> 4;
+ RSA_get0_key(rsa, &n, &e, &d);
+ write_lebn(out, e, 4);
+ write_lebn(out, n, nbyte);
+ if (ispub)
+ return;
+ RSA_get0_factors(rsa, &p, &q);
+ RSA_get0_crt_params(rsa, &dmp1, &dmq1, &iqmp);
+ write_lebn(out, p, hnbyte);
+ write_lebn(out, q, hnbyte);
+ write_lebn(out, dmp1, hnbyte);
+ write_lebn(out, dmq1, hnbyte);
+ write_lebn(out, iqmp, hnbyte);
+ write_lebn(out, d, nbyte);
+}
+
+static void write_dsa(unsigned char **out, DSA *dsa, int ispub)
+{
+ int nbyte;
+ const BIGNUM *p = NULL, *q = NULL, *g = NULL;
+ const BIGNUM *pub_key = NULL, *priv_key = NULL;
+
+ DSA_get0_pqg(dsa, &p, &q, &g);
+ DSA_get0_key(dsa, &pub_key, &priv_key);
+ nbyte = BN_num_bytes(p);
+ write_lebn(out, p, nbyte);
+ write_lebn(out, q, 20);
+ write_lebn(out, g, nbyte);
+ if (ispub)
+ write_lebn(out, pub_key, nbyte);
+ else
+ write_lebn(out, priv_key, 20);
+ /* Set "invalid" for seed structure values */
+ memset(*out, 0xff, 24);
+ *out += 24;
+ return;
+}
+
+int i2b_PrivateKey_bio(BIO *out, EVP_PKEY *pk)
+{
+ return do_i2b_bio(out, pk, 0);
+}
+
+int i2b_PublicKey_bio(BIO *out, EVP_PKEY *pk)
+{
+ return do_i2b_bio(out, pk, 1);
+}
+
+# ifndef OPENSSL_NO_RC4
+
+static int do_PVK_header(const unsigned char **in, unsigned int length,
+ int skip_magic,
+ unsigned int *psaltlen, unsigned int *pkeylen)
+{
+ const unsigned char *p = *in;
+ unsigned int pvk_magic, is_encrypted;
+ if (skip_magic) {
+ if (length < 20) {
+ PEMerr(PEM_F_DO_PVK_HEADER, PEM_R_PVK_TOO_SHORT);
+ return 0;
+ }
+ } else {
+ if (length < 24) {
+ PEMerr(PEM_F_DO_PVK_HEADER, PEM_R_PVK_TOO_SHORT);
+ return 0;
+ }
+ pvk_magic = read_ledword(&p);
+ if (pvk_magic != MS_PVKMAGIC) {
+ PEMerr(PEM_F_DO_PVK_HEADER, PEM_R_BAD_MAGIC_NUMBER);
+ return 0;
+ }
+ }
+ /* Skip reserved */
+ p += 4;
+ /*
+ * keytype =
+ */ read_ledword(&p);
+ is_encrypted = read_ledword(&p);
+ *psaltlen = read_ledword(&p);
+ *pkeylen = read_ledword(&p);
+
+ if (*pkeylen > PVK_MAX_KEYLEN || *psaltlen > PVK_MAX_SALTLEN)
+ return 0;
+
+ if (is_encrypted && !*psaltlen) {
+ PEMerr(PEM_F_DO_PVK_HEADER, PEM_R_INCONSISTENT_HEADER);
+ return 0;
+ }
+
+ *in = p;
+ return 1;
+}
+
+static int derive_pvk_key(unsigned char *key,
+ const unsigned char *salt, unsigned int saltlen,
+ const unsigned char *pass, int passlen)
+{
+ EVP_MD_CTX *mctx = EVP_MD_CTX_new();
+ int rv = 1;
+ if (mctx == NULL
+ || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)
+ || !EVP_DigestUpdate(mctx, salt, saltlen)
+ || !EVP_DigestUpdate(mctx, pass, passlen)
+ || !EVP_DigestFinal_ex(mctx, key, NULL))
+ rv = 0;
+
+ EVP_MD_CTX_free(mctx);
+ return rv;
+}
+
+static EVP_PKEY *do_PVK_body(const unsigned char **in,
+ unsigned int saltlen, unsigned int keylen,
+ pem_password_cb *cb, void *u)
+{
+ EVP_PKEY *ret = NULL;
+ const unsigned char *p = *in;
+ unsigned int magic;
+ unsigned char *enctmp = NULL, *q;
+ unsigned char keybuf[20];
+
+ EVP_CIPHER_CTX *cctx = EVP_CIPHER_CTX_new();
+ if (saltlen) {
+ char psbuf[PEM_BUFSIZE];
+ int enctmplen, inlen;
+ if (cb)
+ inlen = cb(psbuf, PEM_BUFSIZE, 0, u);
+ else
+ inlen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u);
+ if (inlen < 0) {
+ PEMerr(PEM_F_DO_PVK_BODY, PEM_R_BAD_PASSWORD_READ);
+ goto err;
+ }
+ enctmp = OPENSSL_malloc(keylen + 8);
+ if (enctmp == NULL) {
+ PEMerr(PEM_F_DO_PVK_BODY, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ if (!derive_pvk_key(keybuf, p, saltlen,
+ (unsigned char *)psbuf, inlen))
+ goto err;
+ p += saltlen;
+ /* Copy BLOBHEADER across, decrypt rest */
+ memcpy(enctmp, p, 8);
+ p += 8;
+ if (keylen < 8) {
+ PEMerr(PEM_F_DO_PVK_BODY, PEM_R_PVK_TOO_SHORT);
+ goto err;
+ }
+ inlen = keylen - 8;
+ q = enctmp + 8;
+ if (!EVP_DecryptInit_ex(cctx, EVP_rc4(), NULL, keybuf, NULL))
+ goto err;
+ if (!EVP_DecryptUpdate(cctx, q, &enctmplen, p, inlen))
+ goto err;
+ if (!EVP_DecryptFinal_ex(cctx, q + enctmplen, &enctmplen))
+ goto err;
+ magic = read_ledword((const unsigned char **)&q);
+ if (magic != MS_RSA2MAGIC && magic != MS_DSS2MAGIC) {
+ q = enctmp + 8;
+ memset(keybuf + 5, 0, 11);
+ if (!EVP_DecryptInit_ex(cctx, EVP_rc4(), NULL, keybuf, NULL))
+ goto err;
+ if (!EVP_DecryptUpdate(cctx, q, &enctmplen, p, inlen))
+ goto err;
+ if (!EVP_DecryptFinal_ex(cctx, q + enctmplen, &enctmplen))
+ goto err;
+ magic = read_ledword((const unsigned char **)&q);
+ if (magic != MS_RSA2MAGIC && magic != MS_DSS2MAGIC) {
+ PEMerr(PEM_F_DO_PVK_BODY, PEM_R_BAD_DECRYPT);
+ goto err;
+ }
+ }
+ p = enctmp;
+ }
+
+ ret = b2i_PrivateKey(&p, keylen);
+ err:
+ EVP_CIPHER_CTX_free(cctx);
+ if (enctmp != NULL) {
+ OPENSSL_cleanse(keybuf, sizeof(keybuf));
+ OPENSSL_free(enctmp);
+ }
+ return ret;
+}
+
+EVP_PKEY *b2i_PVK_bio(BIO *in, pem_password_cb *cb, void *u)
+{
+ unsigned char pvk_hdr[24], *buf = NULL;
+ const unsigned char *p;
+ int buflen;
+ EVP_PKEY *ret = NULL;
+ unsigned int saltlen, keylen;
+ if (BIO_read(in, pvk_hdr, 24) != 24) {
+ PEMerr(PEM_F_B2I_PVK_BIO, PEM_R_PVK_DATA_TOO_SHORT);
+ return NULL;
+ }
+ p = pvk_hdr;
+
+ if (!do_PVK_header(&p, 24, 0, &saltlen, &keylen))
+ return 0;
+ buflen = (int)keylen + saltlen;
+ buf = OPENSSL_malloc(buflen);
+ if (buf == NULL) {
+ PEMerr(PEM_F_B2I_PVK_BIO, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ p = buf;
+ if (BIO_read(in, buf, buflen) != buflen) {
+ PEMerr(PEM_F_B2I_PVK_BIO, PEM_R_PVK_DATA_TOO_SHORT);
+ goto err;
+ }
+ ret = do_PVK_body(&p, saltlen, keylen, cb, u);
+
+ err:
+ OPENSSL_clear_free(buf, buflen);
+ return ret;
+}
+
+static int i2b_PVK(unsigned char **out, EVP_PKEY *pk, int enclevel,
+ pem_password_cb *cb, void *u)
+{
+ int outlen = 24, pklen;
+ unsigned char *p = NULL, *start = NULL, *salt = NULL;
+ EVP_CIPHER_CTX *cctx = NULL;
+ if (enclevel)
+ outlen += PVK_SALTLEN;
+ pklen = do_i2b(NULL, pk, 0);
+ if (pklen < 0)
+ return -1;
+ outlen += pklen;
+ if (out == NULL)
+ return outlen;
+ if (*out != NULL) {
+ p = *out;
+ } else {
+ start = p = OPENSSL_malloc(outlen);
+ if (p == NULL) {
+ PEMerr(PEM_F_I2B_PVK, ERR_R_MALLOC_FAILURE);
+ return -1;
+ }
+ }
+
+ cctx = EVP_CIPHER_CTX_new();
+ if (cctx == NULL)
+ goto error;
+
+ write_ledword(&p, MS_PVKMAGIC);
+ write_ledword(&p, 0);
+ if (EVP_PKEY_id(pk) == EVP_PKEY_DSA)
+ write_ledword(&p, MS_KEYTYPE_SIGN);
+ else
+ write_ledword(&p, MS_KEYTYPE_KEYX);
+ write_ledword(&p, enclevel ? 1 : 0);
+ write_ledword(&p, enclevel ? PVK_SALTLEN : 0);
+ write_ledword(&p, pklen);
+ if (enclevel) {
+ if (RAND_bytes(p, PVK_SALTLEN) <= 0)
+ goto error;
+ salt = p;
+ p += PVK_SALTLEN;
+ }
+ do_i2b(&p, pk, 0);
+ if (enclevel != 0) {
+ char psbuf[PEM_BUFSIZE];
+ unsigned char keybuf[20];
+ int enctmplen, inlen;
+ if (cb)
+ inlen = cb(psbuf, PEM_BUFSIZE, 1, u);
+ else
+ inlen = PEM_def_callback(psbuf, PEM_BUFSIZE, 1, u);
+ if (inlen <= 0) {
+ PEMerr(PEM_F_I2B_PVK, PEM_R_BAD_PASSWORD_READ);
+ goto error;
+ }
+ if (!derive_pvk_key(keybuf, salt, PVK_SALTLEN,
+ (unsigned char *)psbuf, inlen))
+ goto error;
+ if (enclevel == 1)
+ memset(keybuf + 5, 0, 11);
+ p = salt + PVK_SALTLEN + 8;
+ if (!EVP_EncryptInit_ex(cctx, EVP_rc4(), NULL, keybuf, NULL))
+ goto error;
+ OPENSSL_cleanse(keybuf, 20);
+ if (!EVP_EncryptUpdate(cctx, p, &enctmplen, p, pklen - 8))
+ goto error;
+ if (!EVP_EncryptFinal_ex(cctx, p + enctmplen, &enctmplen))
+ goto error;
+ }
+
+ EVP_CIPHER_CTX_free(cctx);
+
+ if (*out == NULL)
+ *out = start;
+
+ return outlen;
+
+ error:
+ EVP_CIPHER_CTX_free(cctx);
+ if (*out == NULL)
+ OPENSSL_free(start);
+ return -1;
+}
+
+int i2b_PVK_bio(BIO *out, EVP_PKEY *pk, int enclevel,
+ pem_password_cb *cb, void *u)
+{
+ unsigned char *tmp = NULL;
+ int outlen, wrlen;
+ outlen = i2b_PVK(&tmp, pk, enclevel, cb, u);
+ if (outlen < 0)
+ return -1;
+ wrlen = BIO_write(out, tmp, outlen);
+ OPENSSL_free(tmp);
+ if (wrlen == outlen) {
+ return outlen;
+ }
+ PEMerr(PEM_F_I2B_PVK_BIO, PEM_R_BIO_WRITE_FAILURE);
+ return -1;
+}
+
+# endif
+
+#endif