diff options
Diffstat (limited to 'lib/crypto/c_src/crypto_drv.c')
-rw-r--r-- | lib/crypto/c_src/crypto_drv.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/lib/crypto/c_src/crypto_drv.c b/lib/crypto/c_src/crypto_drv.c index 241c4ec733..5b6d750dde 100644 --- a/lib/crypto/c_src/crypto_drv.c +++ b/lib/crypto/c_src/crypto_drv.c @@ -233,6 +233,11 @@ static ErlDrvEntry crypto_driver_entry = { #define DRV_BF_CFB64_ENCRYPT 59 #define DRV_BF_CFB64_DECRYPT 60 +#define DRV_BF_ECB_ENCRYPT 61 +#define DRV_BF_ECB_DECRYPT 62 +#define DRV_BF_OFB64_ENCRYPT 63 +#define DRV_BF_CBC_ENCRYPT 64 +#define DRV_BF_CBC_DECRYPT 65 /* #define DRV_CBC_IDEA_ENCRYPT 34 */ /* #define DRV_CBC_IDEA_DECRYPT 35 */ @@ -533,6 +538,79 @@ static int crypto_control(ErlDrvData drv_data, unsigned int command, char *buf, (command == DRV_CBC_DES_ENCRYPT)); return dlen; + case DRV_BF_ECB_ENCRYPT: + case DRV_BF_ECB_DECRYPT: + { + /* buf = klen[4] key data */ + int bf_direction; + const unsigned char *ukey; + const unsigned char *bf_dbuf; /* blowfish input data */ + BF_KEY bf_key; /* blowfish key 8 */ + + klen = get_int32(buf); + ukey = (unsigned char *) buf + 4; + bf_dbuf = ukey + klen; + dlen = len - 4 - klen; + if (dlen < 0) return -1; + BF_set_key(&bf_key, klen, ukey); + bin = return_binary(rbuf,rlen,dlen); + if (bin==NULL) return -1; + bf_direction = command == DRV_BF_ECB_ENCRYPT ? BF_ENCRYPT : BF_DECRYPT; + BF_ecb_encrypt(bf_dbuf, bin, &bf_key, bf_direction); + return dlen; + } + + case DRV_BF_CBC_ENCRYPT: + case DRV_BF_CBC_DECRYPT: + { + /* buf = klen[4] key ivec[8] data */ + unsigned char *ukey; + unsigned char* ivec; + unsigned char bf_tkey[8]; /* blowfish ivec */ + int bf_direction; + const unsigned char *bf_dbuf; /* blowfish input data */ + BF_KEY bf_key; /* blowfish key 8 */ + + klen = get_int32(buf); + ukey = (unsigned char *)buf + 4; + ivec = ukey + klen; + bf_dbuf = ivec + 8; + dlen = len - 4 - klen - 8; + if (dlen < 0) return -1; + BF_set_key(&bf_key, klen, ukey); + memcpy(bf_tkey, ivec, 8); + bin = return_binary(rbuf,rlen,dlen); + if (bin==NULL) return -1; + bf_direction = command == DRV_BF_CBC_ENCRYPT ? BF_ENCRYPT : BF_DECRYPT; + BF_cbc_encrypt(bf_dbuf, bin, dlen, &bf_key, bf_tkey, bf_direction); + return dlen; + } + + case DRV_BF_OFB64_ENCRYPT: + { + /* buf = klen[4] key ivec[8] data */ + unsigned char *ukey; + unsigned char* ivec; + unsigned char bf_tkey[8]; /* blowfish ivec */ + int bf_n; /* blowfish ivec pos */ + const unsigned char *bf_dbuf; /* blowfish input data */ + BF_KEY bf_key; /* blowfish key 8 */ + + klen = get_int32(buf); + ukey = (unsigned char *)buf + 4; + ivec = ukey + klen; + bf_dbuf = ivec + 8; + dlen = len - 4 - klen - 8; + if (dlen < 0) return -1; + BF_set_key(&bf_key, klen, ukey); + memcpy(bf_tkey, ivec, 8); + bin = return_binary(rbuf,rlen,dlen); + if (bin==NULL) return -1; + bf_n = 0; + BF_ofb64_encrypt(bf_dbuf, bin, dlen, &bf_key, bf_tkey, &bf_n); + return dlen; + } + case DRV_BF_CFB64_ENCRYPT: case DRV_BF_CFB64_DECRYPT: { |