diff options
author | Dr. Stephen Henson <steve@openssl.org> | 1999-12-23 02:02:42 +0000 |
---|---|---|
committer | Dr. Stephen Henson <steve@openssl.org> | 1999-12-23 02:02:42 +0000 |
commit | 525f51f6c98751de4db3b81789044d32e3686cda (patch) | |
tree | 6dd7f1baa5eb540c8e98a6401c5bd57709f1a1e9 /crypto/pem | |
parent | 78baa17ad04922f996514f24f3823b9b8d4ec434 (diff) |
Add PKCS#8 utility functions and add PBE options.
Diffstat (limited to 'crypto/pem')
-rw-r--r-- | crypto/pem/pem.h | 27 | ||||
-rw-r--r-- | crypto/pem/pem_err.c | 3 | ||||
-rw-r--r-- | crypto/pem/pem_lib.c | 141 |
3 files changed, 160 insertions, 11 deletions
diff --git a/crypto/pem/pem.h b/crypto/pem/pem.h index 8ae1e9acc7..26c313b2ef 100644 --- a/crypto/pem/pem.h +++ b/crypto/pem/pem.h @@ -574,10 +574,34 @@ DECLARE_PEM_rw_cb(PrivateKey, EVP_PKEY) DECLARE_PEM_rw(PUBKEY, EVP_PKEY) +int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, EVP_PKEY *x, int nid, + char *kstr, int klen, + pem_password_cb *cb, void *u); int PEM_write_bio_PKCS8PrivateKey(BIO *, EVP_PKEY *, const EVP_CIPHER *, char *, int, pem_password_cb *, void *); +int i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc, + char *kstr, int klen, + pem_password_cb *cb, void *u); +int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid, + char *kstr, int klen, + pem_password_cb *cb, void *u); +EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u); + +int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc, + char *kstr, int klen, + pem_password_cb *cb, void *u); +int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid, + char *kstr, int klen, + pem_password_cb *cb, void *u); +int PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid, + char *kstr, int klen, + pem_password_cb *cb, void *u); + +EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u); + int PEM_write_PKCS8PrivateKey(FILE *fp,EVP_PKEY *x,const EVP_CIPHER *enc, char *kstr,int klen, pem_password_cb *cd, void *u); + #endif /* SSLEAY_MACROS */ @@ -589,6 +613,8 @@ int PEM_write_PKCS8PrivateKey(FILE *fp,EVP_PKEY *x,const EVP_CIPHER *enc, /* Error codes for the PEM functions. */ /* Function codes. */ +#define PEM_F_D2I_PKCS8PRIVATEKEY_BIO 120 +#define PEM_F_D2I_PKCS8PRIVATEKEY_FP 121 #define PEM_F_DEF_CALLBACK 100 #define PEM_F_LOAD_IV 101 #define PEM_F_PEM_ASN1_READ 102 @@ -596,6 +622,7 @@ int PEM_write_PKCS8PrivateKey(FILE *fp,EVP_PKEY *x,const EVP_CIPHER *enc, #define PEM_F_PEM_ASN1_WRITE 104 #define PEM_F_PEM_ASN1_WRITE_BIO 105 #define PEM_F_PEM_DO_HEADER 106 +#define PEM_F_PEM_F_DO_PK8KEY_FP 122 #define PEM_F_PEM_F_PEM_WRITE_PKCS8PRIVATEKEY 118 #define PEM_F_PEM_GET_EVP_CIPHER_INFO 107 #define PEM_F_PEM_READ 108 diff --git a/crypto/pem/pem_err.c b/crypto/pem/pem_err.c index fa70f60998..642129da20 100644 --- a/crypto/pem/pem_err.c +++ b/crypto/pem/pem_err.c @@ -65,6 +65,8 @@ #ifndef NO_ERR static ERR_STRING_DATA PEM_str_functs[]= { +{ERR_PACK(0,PEM_F_D2I_PKCS8PRIVATEKEY_BIO,0), "d2i_PKCS8PrivateKey_bio"}, +{ERR_PACK(0,PEM_F_D2I_PKCS8PRIVATEKEY_FP,0), "d2i_PKCS8PrivateKey_fp"}, {ERR_PACK(0,PEM_F_DEF_CALLBACK,0), "DEF_CALLBACK"}, {ERR_PACK(0,PEM_F_LOAD_IV,0), "LOAD_IV"}, {ERR_PACK(0,PEM_F_PEM_ASN1_READ,0), "PEM_ASN1_read"}, @@ -72,6 +74,7 @@ static ERR_STRING_DATA PEM_str_functs[]= {ERR_PACK(0,PEM_F_PEM_ASN1_WRITE,0), "PEM_ASN1_write"}, {ERR_PACK(0,PEM_F_PEM_ASN1_WRITE_BIO,0), "PEM_ASN1_write_bio"}, {ERR_PACK(0,PEM_F_PEM_DO_HEADER,0), "PEM_do_header"}, +{ERR_PACK(0,PEM_F_PEM_F_DO_PK8KEY_FP,0), "PEM_F_DO_PK8KEY_FP"}, {ERR_PACK(0,PEM_F_PEM_F_PEM_WRITE_PKCS8PRIVATEKEY,0), "PEM_F_PEM_WRITE_PKCS8PRIVATEKEY"}, {ERR_PACK(0,PEM_F_PEM_GET_EVP_CIPHER_INFO,0), "PEM_get_EVP_CIPHER_INFO"}, {ERR_PACK(0,PEM_F_PEM_READ,0), "PEM_read"}, diff --git a/crypto/pem/pem_lib.c b/crypto/pem/pem_lib.c index 0bc1752482..2bafb5e735 100644 --- a/crypto/pem/pem_lib.c +++ b/crypto/pem/pem_lib.c @@ -76,6 +76,14 @@ const char *PEM_version="PEM" OPENSSL_VERSION_PTEXT; static int def_callback(char *buf, int num, int w, void *userdata); static int load_iv(unsigned char **fromp,unsigned char *to, int num); static int check_pem(const char *nm, const char *name); +static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, + int nid, const EVP_CIPHER *enc, + char *kstr, int klen, + pem_password_cb *cb, void *u); +static int do_pk8pkey_fp(FILE *bp, EVP_PKEY *x, int isder, + int nid, const EVP_CIPHER *enc, + char *kstr, int klen, + pem_password_cb *cb, void *u); static int def_callback(char *buf, int num, int w, void *userdata) { @@ -247,7 +255,7 @@ char *PEM_ASN1_read_bio(char *(*d2i)(), const char *name, BIO *bp, char **x, X509_SIG *p8; int klen; char psbuf[PEM_BUFSIZE]; - p8 = d2i_X509_SIG((X509_SIG **)x, &p, len); + p8 = d2i_X509_SIG(NULL, &p, len); if(!p8) goto p8err; if (cb) klen=cb(psbuf,PEM_BUFSIZE,0,u); else klen=def_callback(psbuf,PEM_BUFSIZE,0,u); @@ -260,6 +268,10 @@ char *PEM_ASN1_read_bio(char *(*d2i)(), const char *name, BIO *bp, char **x, X509_SIG_free(p8); if(!p8inf) goto p8err; ret = (char *)EVP_PKCS82PKEY(p8inf); + if(x) { + if(*x) EVP_PKEY_free((EVP_PKEY *)*x); + *x = ret; + } PKCS8_PRIV_KEY_INFO_free(p8inf); } } else ret=d2i(x,&p,len); @@ -772,16 +784,44 @@ err: return(0); } -/* This function writes a private key in PKCS#8 format: it is a "drop in" - * replacement for PEM_write_bio_PrivateKey(). As usual if 'enc' is NULL then - * it uses the unencrypted private key form. It uses PKCS#5 v2.0 password based - * encryption algorithms. +/* These functions write a private key in PKCS#8 format: it is a "drop in" + * replacement for PEM_write_bio_PrivateKey() and friends. As usual if 'enc' + * is NULL then it uses the unencrypted private key form. The 'nid' versions + * uses PKCS#5 v1.5 PBE algorithms whereas the others use PKCS#5 v2.0. */ +int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, EVP_PKEY *x, int nid, + char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + return do_pk8pkey(bp, x, 0, nid, NULL, kstr, klen, cb, u); +} + int PEM_write_bio_PKCS8PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc, char *kstr, int klen, pem_password_cb *cb, void *u) { + return do_pk8pkey(bp, x, 0, -1, enc, kstr, klen, cb, u); +} + +int i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc, + char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + return do_pk8pkey(bp, x, 1, -1, enc, kstr, klen, cb, u); +} + +int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid, + char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + return do_pk8pkey(bp, x, 1, nid, NULL, kstr, klen, cb, u); +} + +static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, int nid, const EVP_CIPHER *enc, + char *kstr, int klen, + pem_password_cb *cb, void *u) +{ X509_SIG *p8; PKCS8_PRIV_KEY_INFO *p8inf; char buf[PEM_BUFSIZE]; @@ -791,7 +831,7 @@ int PEM_write_bio_PKCS8PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc, PEM_R_ERROR_CONVERTING_PRIVATE_KEY); return 0; } - if(enc) { + if(enc || (nid != -1)) { if(!kstr) { if(!cb) klen = def_callback(buf, PEM_BUFSIZE, 1, u); else klen = cb(buf, PEM_BUFSIZE, 1, u); @@ -804,30 +844,109 @@ int PEM_write_bio_PKCS8PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc, kstr = buf; } - p8 = PKCS8_encrypt(-1, enc, kstr, klen, NULL, 0, 0, p8inf); + p8 = PKCS8_encrypt(nid, enc, kstr, klen, NULL, 0, 0, p8inf); if(kstr == buf) memset(buf, 0, klen); PKCS8_PRIV_KEY_INFO_free(p8inf); - ret = PEM_write_bio_PKCS8(bp, p8); + if(isder) ret = i2d_PKCS8_bio(bp, p8); + else ret = PEM_write_bio_PKCS8(bp, p8); X509_SIG_free(p8); return ret; } else { - ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf); + if(isder) ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf); + else ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf); PKCS8_PRIV_KEY_INFO_free(p8inf); return ret; } } + +/* Finally the DER version to read PKCS#8 encrypted private keys. It has to be + * here to access the default callback. + */ + +EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u) +{ + PKCS8_PRIV_KEY_INFO *p8inf = NULL; + X509_SIG *p8 = NULL; + int klen; + EVP_PKEY *ret; + char psbuf[PEM_BUFSIZE]; + p8 = d2i_PKCS8_bio(bp, NULL); + if(!p8) return NULL; + if (cb) klen=cb(psbuf,PEM_BUFSIZE,0,u); + else klen=def_callback(psbuf,PEM_BUFSIZE,0,u); + if (klen <= 0) { + PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_BIO, PEM_R_BAD_PASSWORD_READ); + X509_SIG_free(p8); + return NULL; + } + p8inf = M_PKCS8_decrypt(p8, psbuf, klen); + X509_SIG_free(p8); + if(!p8inf) return NULL; + ret = EVP_PKCS82PKEY(p8inf); + PKCS8_PRIV_KEY_INFO_free(p8inf); + if(!ret) return NULL; + if(x) { + if(*x) EVP_PKEY_free(*x); + *x = ret; + } + return ret; +} + #ifndef NO_FP_API + +int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc, + char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + return do_pk8pkey_fp(fp, x, 1, -1, enc, kstr, klen, cb, u); +} + +int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid, + char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + return do_pk8pkey_fp(fp, x, 1, nid, NULL, kstr, klen, cb, u); +} + +int PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid, + char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + return do_pk8pkey_fp(fp, x, 0, nid, NULL, kstr, klen, cb, u); +} + int PEM_write_PKCS8PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc, char *kstr, int klen, pem_password_cb *cb, void *u) { + return do_pk8pkey_fp(fp, x, 0, -1, enc, kstr, klen, cb, u); +} + +static int do_pk8pkey_fp(FILE *fp, EVP_PKEY *x, int isder, int nid, const EVP_CIPHER *enc, + char *kstr, int klen, + pem_password_cb *cb, void *u) +{ BIO *bp; int ret; if(!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) { - PEMerr(PEM_F_PEM_F_PEM_WRITE_PKCS8PRIVATEKEY,ERR_R_BUF_LIB); + PEMerr(PEM_F_PEM_F_DO_PK8KEY_FP,ERR_R_BUF_LIB); return(0); } - ret = PEM_write_bio_PKCS8PrivateKey(bp, x, enc, kstr, klen, cb, u); + ret = do_pk8pkey(bp, x, isder, nid, enc, kstr, klen, cb, u); BIO_free(bp); return ret; } + +EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u) +{ + BIO *bp; + EVP_PKEY *ret; + if(!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) { + PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_FP,ERR_R_BUF_LIB); + return NULL; + } + ret = d2i_PKCS8PrivateKey_bio(bp, x, cb, u); + BIO_free(bp); + return ret; +} + #endif |