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| author | Neil Conway <neilc@samurai.com> | 2007-03-28 22:48:58 +0000 |
|---|---|---|
| committer | Neil Conway <neilc@samurai.com> | 2007-03-28 22:48:58 +0000 |
| commit | 74b667ad4287ebb3339524e9f2714ae4ec3ee6af (patch) | |
| tree | a2f13c440afd8d7d9ca5e88043db631e44330bf8 /contrib/pgcrypto/internal.c | |
| parent | 7d4c9a5793b49633be0fae7653552f3fb4a812c0 (diff) | |
| download | postgresql-74b667ad4287ebb3339524e9f2714ae4ec3ee6af.tar.gz postgresql-74b667ad4287ebb3339524e9f2714ae4ec3ee6af.zip | |
Replace 4-clause licensed blf.[ch] with blowfish implementation
from PuTTY with is under minimal BSD/MIT license. Marko Kreen.
Diffstat (limited to 'contrib/pgcrypto/internal.c')
| -rw-r--r-- | contrib/pgcrypto/internal.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/contrib/pgcrypto/internal.c b/contrib/pgcrypto/internal.c index c0d8846a3c8..24db7c0cc83 100644 --- a/contrib/pgcrypto/internal.c +++ b/contrib/pgcrypto/internal.c @@ -26,7 +26,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $PostgreSQL: pgsql/contrib/pgcrypto/internal.c,v 1.25 2006/10/04 00:29:46 momjian Exp $ + * $PostgreSQL: pgsql/contrib/pgcrypto/internal.c,v 1.26 2007/03/28 22:48:58 neilc Exp $ */ #include "postgres.h" @@ -251,7 +251,7 @@ struct int_ctx uint8 iv[INT_MAX_IV]; union { - blf_ctx bf; + BlowfishContext bf; rijndael_ctx rj; } ctx; unsigned keylen; @@ -426,7 +426,7 @@ bf_block_size(PX_Cipher * c) static unsigned bf_key_size(PX_Cipher * c) { - return BLF_MAXKEYLEN; + return 448/8; } static unsigned @@ -440,9 +440,9 @@ bf_init(PX_Cipher * c, const uint8 *key, unsigned klen, const uint8 *iv) { struct int_ctx *cx = (struct int_ctx *) c->ptr; - blf_key(&cx->ctx.bf, key, klen); + blowfish_setkey(&cx->ctx.bf, key, klen); if (iv) - memcpy(cx->iv, iv, 8); + blowfish_setiv(&cx->ctx.bf, iv); return 0; } @@ -451,6 +451,7 @@ static int bf_encrypt(PX_Cipher * c, const uint8 *data, unsigned dlen, uint8 *res) { struct int_ctx *cx = (struct int_ctx *) c->ptr; + BlowfishContext *bfctx = &cx->ctx.bf; if (dlen == 0) return 0; @@ -462,11 +463,11 @@ bf_encrypt(PX_Cipher * c, const uint8 *data, unsigned dlen, uint8 *res) switch (cx->mode) { case MODE_ECB: - blf_ecb_encrypt(&cx->ctx.bf, res, dlen); + blowfish_encrypt_ecb(res, dlen, bfctx); break; case MODE_CBC: - blf_cbc_encrypt(&cx->ctx.bf, cx->iv, res, dlen); - memcpy(cx->iv, res + dlen - 8, 8); + blowfish_encrypt_cbc(res, dlen, bfctx); + break; } return 0; } @@ -475,6 +476,7 @@ static int bf_decrypt(PX_Cipher * c, const uint8 *data, unsigned dlen, uint8 *res) { struct int_ctx *cx = (struct int_ctx *) c->ptr; + BlowfishContext *bfctx = &cx->ctx.bf; if (dlen == 0) return 0; @@ -486,11 +488,11 @@ bf_decrypt(PX_Cipher * c, const uint8 *data, unsigned dlen, uint8 *res) switch (cx->mode) { case MODE_ECB: - blf_ecb_decrypt(&cx->ctx.bf, res, dlen); + blowfish_decrypt_ecb(res, dlen, bfctx); break; case MODE_CBC: - blf_cbc_decrypt(&cx->ctx.bf, cx->iv, res, dlen); - memcpy(cx->iv, data + dlen - 8, 8); + blowfish_decrypt_cbc(res, dlen, bfctx); + break; } return 0; } |