diff options
Diffstat (limited to 'deps/openssl/openssl/crypto/pkcs12/p12_key.c')
| -rw-r--r-- | deps/openssl/openssl/crypto/pkcs12/p12_key.c | 46 |
1 files changed, 12 insertions, 34 deletions
diff --git a/deps/openssl/openssl/crypto/pkcs12/p12_key.c b/deps/openssl/openssl/crypto/pkcs12/p12_key.c index 9c13a451e0..ab31a61295 100644 --- a/deps/openssl/openssl/crypto/pkcs12/p12_key.c +++ b/deps/openssl/openssl/crypto/pkcs12/p12_key.c @@ -78,10 +78,9 @@ int PKCS12_key_gen_uni(unsigned char *pass, int passlen, unsigned char *salt, unsigned char *out, const EVP_MD *md_type) { unsigned char *B = NULL, *D = NULL, *I = NULL, *p = NULL, *Ai = NULL; - int Slen, Plen, Ilen, Ijlen; + int Slen, Plen, Ilen; int i, j, u, v; int ret = 0; - BIGNUM *Ij = NULL, *Bpl1 = NULL; /* These hold Ij and B + 1 */ EVP_MD_CTX *ctx = NULL; #ifdef OPENSSL_DEBUG_KEYGEN unsigned char *tmpout = out; @@ -114,10 +113,7 @@ int PKCS12_key_gen_uni(unsigned char *pass, int passlen, unsigned char *salt, Plen = 0; Ilen = Slen + Plen; I = OPENSSL_malloc(Ilen); - Ij = BN_new(); - Bpl1 = BN_new(); - if (D == NULL || Ai == NULL || B == NULL || I == NULL || Ij == NULL - || Bpl1 == NULL) + if (D == NULL || Ai == NULL || B == NULL || I == NULL) goto err; for (i = 0; i < v; i++) D[i] = id; @@ -151,33 +147,17 @@ int PKCS12_key_gen_uni(unsigned char *pass, int passlen, unsigned char *salt, out += u; for (j = 0; j < v; j++) B[j] = Ai[j % u]; - /* Work out B + 1 first then can use B as tmp space */ - if (!BN_bin2bn(B, v, Bpl1)) - goto err; - if (!BN_add_word(Bpl1, 1)) - goto err; for (j = 0; j < Ilen; j += v) { - if (!BN_bin2bn(I + j, v, Ij)) - goto err; - if (!BN_add(Ij, Ij, Bpl1)) - goto err; - if (!BN_bn2bin(Ij, B)) - goto err; - Ijlen = BN_num_bytes(Ij); - /* If more than 2^(v*8) - 1 cut off MSB */ - if (Ijlen > v) { - if (!BN_bn2bin(Ij, B)) - goto err; - memcpy(I + j, B + 1, v); -#ifndef PKCS12_BROKEN_KEYGEN - /* If less than v bytes pad with zeroes */ - } else if (Ijlen < v) { - memset(I + j, 0, v - Ijlen); - if (!BN_bn2bin(Ij, I + j + v - Ijlen)) - goto err; -#endif - } else if (!BN_bn2bin(Ij, I + j)) - goto err; + int k; + unsigned char *Ij = I + j; + uint16_t c = 1; + + /* Work out Ij = Ij + B + 1 */ + for (k = v - 1; k >= 0; k--) { + c += Ij[k] + B[k]; + Ij[k] = (unsigned char)c; + c >>= 8; + } } } @@ -189,8 +169,6 @@ int PKCS12_key_gen_uni(unsigned char *pass, int passlen, unsigned char *salt, OPENSSL_free(B); OPENSSL_free(D); OPENSSL_free(I); - BN_free(Ij); - BN_free(Bpl1); EVP_MD_CTX_free(ctx); return ret; } |