X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fpem%2Fpem_pkey.c;h=e9e41dd4e8dcbb66c49a9cc00757b5abe6a2be3d;hp=92a55f536aebbbf958178273ad73e43fe3e0c1a7;hb=0bcb17a7776b7f740e855932890edfb7acfd7124;hpb=5488bb6197b9af7a4670fb88936f0b53a9af0d2f diff --git a/crypto/pem/pem_pkey.c b/crypto/pem/pem_pkey.c index 92a55f536a..e9e41dd4e8 100644 --- a/crypto/pem/pem_pkey.c +++ b/crypto/pem/pem_pkey.c @@ -65,30 +65,38 @@ #include #include #include +#ifndef OPENSSL_NO_ENGINE +#include +#endif +#ifndef OPENSSL_NO_DH +#include +#endif +#include "asn1_locl.h" +int pem_check_suffix(const char *pem_str, const char *suffix); EVP_PKEY *PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u) { char *nm=NULL; - unsigned char *p=NULL,*data=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_RSA) == 0) - ret=d2i_PrivateKey(EVP_PKEY_RSA,x,&p,len); - else if (strcmp(nm,PEM_STRING_DSA) == 0) - ret=d2i_PrivateKey(EVP_PKEY_DSA,x,&p,len); - else if (strcmp(nm,PEM_STRING_ECPRIVATEKEY) == 0) - ret=d2i_PrivateKey(EVP_PKEY_EC,x,&p,len); - else if (strcmp(nm,PEM_STRING_PKCS8INF) == 0) { + 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) { + 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; @@ -100,8 +108,9 @@ EVP_PKEY *PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, vo 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_ASN1_READ_BIO, + PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY, PEM_R_BAD_PASSWORD_READ); + X509_SIG_free(p8); goto err; } p8inf = PKCS8_decrypt(p8, psbuf, klen); @@ -113,16 +122,92 @@ EVP_PKEY *PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, vo *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_ASN1_READ_BIO,ERR_R_ASN1_LIB); + PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY,ERR_R_ASN1_LIB); err: OPENSSL_free(nm); + OPENSSL_cleanse(data, len); OPENSSL_free(data); return(ret); } +int PEM_write_bio_PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc, + unsigned char *kstr, int klen, + pem_password_cb *cb, void *u) + { + char pem_str[80]; + if (!x->ameth || x->ameth->priv_encode) + return PEM_write_bio_PKCS8PrivateKey(bp, x, enc, + (char *)kstr, klen, + cb, u); + + BIO_snprintf(pem_str, 80, "%s PRIVATE KEY", x->ameth->pem_str); + return PEM_ASN1_write_bio((i2d_of_void *)i2d_PrivateKey, + pem_str,bp,x,enc,kstr,klen,cb,u); + } + +EVP_PKEY *PEM_read_bio_Parameters(BIO *bp, EVP_PKEY **x) + { + 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_PARAMETERS, + bp, 0, NULL)) + return NULL; + p = data; + + if ((slen = pem_check_suffix(nm, "PARAMETERS")) > 0) + { + ret = EVP_PKEY_new(); + if (!ret) + goto err; + if (!EVP_PKEY_set_type_str(ret, nm, slen) + || !ret->ameth->param_decode + || !ret->ameth->param_decode(ret, &p, len)) + { + EVP_PKEY_free(ret); + ret = NULL; + goto err; + } + if(x) + { + if(*x) EVP_PKEY_free((EVP_PKEY *)*x); + *x = ret; + } + } +err: + if (ret == NULL) + PEMerr(PEM_F_PEM_READ_BIO_PARAMETERS,ERR_R_ASN1_LIB); + OPENSSL_free(nm); + OPENSSL_free(data); + return(ret); + } + +int PEM_write_bio_Parameters(BIO *bp, EVP_PKEY *x) + { + char pem_str[80]; + if (!x->ameth || !x->ameth->param_encode) + return 0; + + BIO_snprintf(pem_str, 80, "%s PARAMETERS", x->ameth->pem_str); + return PEM_ASN1_write_bio( + (i2d_of_void *)x->ameth->param_encode, + pem_str,bp,x,NULL,NULL,0,0,NULL); + } + #ifndef OPENSSL_NO_FP_API EVP_PKEY *PEM_read_PrivateKey(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u) { @@ -131,7 +216,7 @@ EVP_PKEY *PEM_read_PrivateKey(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void if ((b=BIO_new(BIO_s_file())) == NULL) { - PEMerr(PEM_F_PEM_ASN1_READ,ERR_R_BUF_LIB); + PEMerr(PEM_F_PEM_READ_PRIVATEKEY,ERR_R_BUF_LIB); return(0); } BIO_set_fp(b,fp,BIO_NOCLOSE); @@ -139,4 +224,71 @@ EVP_PKEY *PEM_read_PrivateKey(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void BIO_free(b); return(ret); } + +int PEM_write_PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc, + unsigned char *kstr, int klen, + pem_password_cb *cb, void *u) + { + BIO *b; + int ret; + + if ((b=BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) + { + PEMerr(PEM_F_PEM_WRITE_PRIVATEKEY,ERR_R_BUF_LIB); + return 0; + } + ret=PEM_write_bio_PrivateKey(b, x, enc, kstr, klen, cb, u); + BIO_free(b); + return ret; + } + +#endif + +#ifndef OPENSSL_NO_DH + +/* Transparently read in PKCS#3 or X9.42 DH parameters */ + +DH *PEM_read_bio_DHparams(BIO *bp, DH **x, pem_password_cb *cb, void *u) + { + char *nm=NULL; + const unsigned char *p=NULL; + unsigned char *data=NULL; + long len; + DH *ret=NULL; + + if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_DHPARAMS, + bp, cb, u)) + return NULL; + p = data; + + if (!strcmp(nm, PEM_STRING_DHXPARAMS)) + ret = d2i_DHxparams(x, &p, len); + else + ret = d2i_DHparams(x, &p, len); + + if (ret == NULL) + PEMerr(PEM_F_PEM_READ_BIO_DHPARAMS,ERR_R_ASN1_LIB); + OPENSSL_free(nm); + OPENSSL_free(data); + return ret; + } + +#ifndef OPENSSL_NO_FP_API +DH *PEM_read_DHparams(FILE *fp, DH **x, pem_password_cb *cb, void *u) + { + BIO *b; + DH *ret; + + if ((b=BIO_new(BIO_s_file())) == NULL) + { + PEMerr(PEM_F_PEM_READ_DHPARAMS,ERR_R_BUF_LIB); + return(0); + } + BIO_set_fp(b,fp,BIO_NOCLOSE); + ret=PEM_read_bio_DHparams(b,x,cb,u); + BIO_free(b); + return(ret); + } +#endif + #endif