diff options
Diffstat (limited to 'crypto/asn1/x_pubkey.c')
-rw-r--r-- | crypto/asn1/x_pubkey.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/crypto/asn1/x_pubkey.c b/crypto/asn1/x_pubkey.c index 8adaeba82c..1740df7e2b 100644 --- a/crypto/asn1/x_pubkey.c +++ b/crypto/asn1/x_pubkey.c @@ -252,3 +252,110 @@ err: return(NULL); } +/* Now two pseudo ASN1 routines that take an EVP_PKEY structure + * and encode or decode as X509_PUBKEY + */ + +EVP_PKEY *d2i_PUBKEY(EVP_PKEY **a, unsigned char **pp, + long length) +{ + X509_PUBKEY *xpk; + EVP_PKEY *pktmp; + xpk = d2i_X509_PUBKEY(NULL, pp, length); + if(!xpk) return NULL; + pktmp = X509_PUBKEY_get(xpk); + X509_PUBKEY_free(xpk); + if(!pktmp) return NULL; + if(a) { + EVP_PKEY_free(*a); + *a = pktmp; + } + return pktmp; +} + +int i2d_PUBKEY(EVP_PKEY *a, unsigned char **pp) +{ + X509_PUBKEY *xpk=NULL; + int ret; + if(!a) return 0; + if(!X509_PUBKEY_set(&xpk, a)) return 0; + ret = i2d_X509_PUBKEY(xpk, pp); + X509_PUBKEY_free(xpk); + return ret; +} + +/* The following are equivalents but which return RSA and DSA + * keys + */ + +RSA *d2i_RSA_PUBKEY(RSA **a, unsigned char **pp, + long length) +{ + EVP_PKEY *pkey; + RSA *key; + unsigned char *q; + q = *pp; + pkey = d2i_PUBKEY(NULL, &q, length); + if(!pkey) return NULL; + key = EVP_PKEY_rget_RSA(pkey); + EVP_PKEY_free(pkey); + if(!key) return NULL; + *pp = q; + if(a) { + RSA_free(*a); + *a = key; + } + return key; +} + +int i2d_RSA_PUBKEY(RSA *a, unsigned char **pp) +{ + EVP_PKEY *pktmp; + int ret; + if(!a) return 0; + pktmp = EVP_PKEY_new(); + if(!pktmp) { + ASN1err(ASN1_F_I2D_RSA_PUBKEY, ERR_R_MALLOC_FAILURE); + return 0; + } + EVP_PKEY_rset_RSA(pktmp, a); + ret = i2d_PUBKEY(pktmp, pp); + EVP_PKEY_free(pktmp); + return ret; +} + +DSA *d2i_DSA_PUBKEY(DSA **a, unsigned char **pp, + long length) +{ + EVP_PKEY *pkey; + DSA *key; + unsigned char *q; + q = *pp; + pkey = d2i_PUBKEY(NULL, &q, length); + if(!pkey) return NULL; + key = EVP_PKEY_rget_DSA(pkey); + EVP_PKEY_free(pkey); + if(!key) return NULL; + *pp = q; + if(a) { + DSA_free(*a); + *a = key; + } + return key; +} + +int i2d_DSA_PUBKEY(DSA *a, unsigned char **pp) +{ + EVP_PKEY *pktmp; + int ret; + if(!a) return 0; + pktmp = EVP_PKEY_new(); + if(!pktmp) { + ASN1err(ASN1_F_I2D_DSA_PUBKEY, ERR_R_MALLOC_FAILURE); + return 0; + } + EVP_PKEY_rset_DSA(pktmp, a); + ret = i2d_PUBKEY(pktmp, pp); + EVP_PKEY_free(pktmp); + return ret; +} |