Searched defs:ofb (Results 1 - 7 of 7) sorted by relevance

/external/dropbear/libtomcrypt/src/modes/ofb/
H A Dofb_done.c21 @param ofb The OFB chain to terminate
24 int ofb_done(symmetric_OFB *ofb) argument
27 LTC_ARGCHK(ofb != NULL);
29 if ((err = cipher_is_valid(ofb->cipher)) != CRYPT_OK) {
32 cipher_descriptor[ofb->cipher].done(&ofb->key);
40 /* $Source: /cvs/libtom/libtomcrypt/src/modes/ofb/ofb_done.c,v $ */
H A Dofb_getiv.c24 @param ofb The OFB state
27 int ofb_getiv(unsigned char *IV, unsigned long *len, symmetric_OFB *ofb) argument
31 LTC_ARGCHK(ofb != NULL);
32 if ((unsigned long)ofb->blocklen > *len) {
33 *len = ofb->blocklen;
36 XMEMCPY(IV, ofb->IV, ofb->blocklen);
37 *len = ofb->blocklen;
44 /* $Source: /cvs/libtom/libtomcrypt/src/modes/ofb/ofb_getiv.c,v $ */
H A Dofb_decrypt.c25 @param ofb OFB state
28 int ofb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_OFB *ofb) argument
32 LTC_ARGCHK(ofb != NULL);
33 return ofb_encrypt(ct, pt, len, ofb);
41 /* $Source: /cvs/libtom/libtomcrypt/src/modes/ofb/ofb_decrypt.c,v $ */
H A Dofb_setiv.c24 @param ofb The OFB state
27 int ofb_setiv(const unsigned char *IV, unsigned long len, symmetric_OFB *ofb) argument
32 LTC_ARGCHK(ofb != NULL);
34 if ((err = cipher_is_valid(ofb->cipher)) != CRYPT_OK) {
38 if (len != (unsigned long)ofb->blocklen) {
43 ofb->padlen = 0;
44 return cipher_descriptor[ofb->cipher].ecb_encrypt(IV, ofb->IV, &ofb->key);
50 /* $Source: /cvs/libtom/libtomcrypt/src/modes/ofb/ofb_seti
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H A Dofb_encrypt.c25 @param ofb OFB state
28 int ofb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_OFB *ofb) argument
33 LTC_ARGCHK(ofb != NULL);
34 if ((err = cipher_is_valid(ofb->cipher)) != CRYPT_OK) {
39 if (ofb->blocklen < 0 || ofb->blocklen > (int)sizeof(ofb->IV) ||
40 ofb->padlen < 0 || ofb->padlen > (int)sizeof(ofb
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H A Dofb_start.c28 @param ofb The OFB state to initialize
32 int keylen, int num_rounds, symmetric_OFB *ofb)
38 LTC_ARGCHK(ofb != NULL);
45 ofb->cipher = cipher;
46 ofb->blocklen = cipher_descriptor[cipher].block_length;
47 for (x = 0; x < ofb->blocklen; x++) {
48 ofb->IV[x] = IV[x];
52 ofb->padlen = ofb->blocklen;
53 return cipher_descriptor[cipher].setup(key, keylen, num_rounds, &ofb
31 ofb_start(int cipher, const unsigned char *IV, const unsigned char *key, int keylen, int num_rounds, symmetric_OFB *ofb) argument
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/external/dropbear/libtomcrypt/testprof/
H A Dmodes_test.c15 symmetric_OFB ofb; local
87 DO(ofb_start(cipher_idx, iv, key, 16, 0, &ofb));
89 DO(ofb_getiv(iv2, &l, &ofb));
94 DO(ofb_encrypt(pt, ct, 64, &ofb));
97 DO(ofb_setiv(iv2, l, &ofb));
99 DO(ofb_decrypt(ct, tmp, 64, &ofb));

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