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Merge pull request #3202 from Greexter/bitwarden-fix
Added parameter for second PBKDF2 iteration count for -m 23400, fixes #3033
This commit is contained in:
Jens Steube
GitHub
commit
2b89c69cc4
@ -253,7 +253,7 @@ KERNEL_FQ void m23400_loop (KERN_ATTR_TMPS (bitwarden_tmp_t))
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unpackv (tmps, out, gid, 7, out[7]);
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}
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KERNEL_FQ void m23400_comp (KERN_ATTR_TMPS (bitwarden_tmp_t))
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KERNEL_FQ void m23400_init2 (KERN_ATTR_TMPS (bitwarden_tmp_t))
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{
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/**
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* base
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@ -278,26 +278,23 @@ KERNEL_FQ void m23400_comp (KERN_ATTR_TMPS (bitwarden_tmp_t))
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sha256_hmac_init (&sha256_hmac_ctx, out, 32);
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u32 ipad[8];
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u32 opad[8];
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tmps[gid].ipad[0] = sha256_hmac_ctx.ipad.h[0];
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tmps[gid].ipad[1] = sha256_hmac_ctx.ipad.h[1];
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tmps[gid].ipad[2] = sha256_hmac_ctx.ipad.h[2];
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tmps[gid].ipad[3] = sha256_hmac_ctx.ipad.h[3];
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tmps[gid].ipad[4] = sha256_hmac_ctx.ipad.h[4];
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tmps[gid].ipad[5] = sha256_hmac_ctx.ipad.h[5];
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tmps[gid].ipad[6] = sha256_hmac_ctx.ipad.h[6];
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tmps[gid].ipad[7] = sha256_hmac_ctx.ipad.h[7];
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ipad[0] = sha256_hmac_ctx.ipad.h[0];
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ipad[1] = sha256_hmac_ctx.ipad.h[1];
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ipad[2] = sha256_hmac_ctx.ipad.h[2];
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ipad[3] = sha256_hmac_ctx.ipad.h[3];
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ipad[4] = sha256_hmac_ctx.ipad.h[4];
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ipad[5] = sha256_hmac_ctx.ipad.h[5];
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ipad[6] = sha256_hmac_ctx.ipad.h[6];
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ipad[7] = sha256_hmac_ctx.ipad.h[7];
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opad[0] = sha256_hmac_ctx.opad.h[0];
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opad[1] = sha256_hmac_ctx.opad.h[1];
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opad[2] = sha256_hmac_ctx.opad.h[2];
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opad[3] = sha256_hmac_ctx.opad.h[3];
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opad[4] = sha256_hmac_ctx.opad.h[4];
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opad[5] = sha256_hmac_ctx.opad.h[5];
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opad[6] = sha256_hmac_ctx.opad.h[6];
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opad[7] = sha256_hmac_ctx.opad.h[7];
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tmps[gid].opad[0] = sha256_hmac_ctx.opad.h[0];
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tmps[gid].opad[1] = sha256_hmac_ctx.opad.h[1];
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tmps[gid].opad[2] = sha256_hmac_ctx.opad.h[2];
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tmps[gid].opad[3] = sha256_hmac_ctx.opad.h[3];
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tmps[gid].opad[4] = sha256_hmac_ctx.opad.h[4];
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tmps[gid].opad[5] = sha256_hmac_ctx.opad.h[5];
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tmps[gid].opad[6] = sha256_hmac_ctx.opad.h[6];
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tmps[gid].opad[7] = sha256_hmac_ctx.opad.h[7];
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sha256_hmac_update_global_swap (&sha256_hmac_ctx, pws[gid].i, pws[gid].pw_len);
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@ -329,10 +326,142 @@ KERNEL_FQ void m23400_comp (KERN_ATTR_TMPS (bitwarden_tmp_t))
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sha256_hmac_final (&sha256_hmac_ctx2);
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const u32 r0 = sha256_hmac_ctx2.opad.h[0];
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const u32 r1 = sha256_hmac_ctx2.opad.h[1];
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const u32 r2 = sha256_hmac_ctx2.opad.h[2];
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const u32 r3 = sha256_hmac_ctx2.opad.h[3];
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tmps[gid].dgst[0] = sha256_hmac_ctx2.opad.h[0];
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tmps[gid].dgst[1] = sha256_hmac_ctx2.opad.h[1];
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tmps[gid].dgst[2] = sha256_hmac_ctx2.opad.h[2];
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tmps[gid].dgst[3] = sha256_hmac_ctx2.opad.h[3];
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tmps[gid].dgst[4] = sha256_hmac_ctx2.opad.h[4];
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tmps[gid].dgst[5] = sha256_hmac_ctx2.opad.h[5];
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tmps[gid].dgst[6] = sha256_hmac_ctx2.opad.h[6];
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tmps[gid].dgst[7] = sha256_hmac_ctx2.opad.h[7];
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tmps[gid].out[0] = tmps[gid].dgst[0];
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tmps[gid].out[1] = tmps[gid].dgst[1];
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tmps[gid].out[2] = tmps[gid].dgst[2];
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tmps[gid].out[3] = tmps[gid].dgst[3];
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tmps[gid].out[4] = tmps[gid].dgst[4];
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tmps[gid].out[5] = tmps[gid].dgst[5];
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tmps[gid].out[6] = tmps[gid].dgst[6];
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tmps[gid].out[7] = tmps[gid].dgst[7];
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}
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KERNEL_FQ void m23400_loop2 (KERN_ATTR_TMPS (bitwarden_tmp_t))
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{
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const u64 gid = get_global_id (0);
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if ((gid * VECT_SIZE) >= GID_CNT) return;
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u32x ipad[8];
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u32x opad[8];
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ipad[0] = packv (tmps, ipad, gid, 0);
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ipad[1] = packv (tmps, ipad, gid, 1);
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ipad[2] = packv (tmps, ipad, gid, 2);
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ipad[3] = packv (tmps, ipad, gid, 3);
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ipad[4] = packv (tmps, ipad, gid, 4);
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ipad[5] = packv (tmps, ipad, gid, 5);
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ipad[6] = packv (tmps, ipad, gid, 6);
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ipad[7] = packv (tmps, ipad, gid, 7);
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opad[0] = packv (tmps, opad, gid, 0);
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opad[1] = packv (tmps, opad, gid, 1);
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opad[2] = packv (tmps, opad, gid, 2);
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opad[3] = packv (tmps, opad, gid, 3);
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opad[4] = packv (tmps, opad, gid, 4);
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opad[5] = packv (tmps, opad, gid, 5);
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opad[6] = packv (tmps, opad, gid, 6);
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opad[7] = packv (tmps, opad, gid, 7);
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u32x dgst[8];
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u32x out[8];
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dgst[0] = packv (tmps, dgst, gid, 0);
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dgst[1] = packv (tmps, dgst, gid, 1);
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dgst[2] = packv (tmps, dgst, gid, 2);
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dgst[3] = packv (tmps, dgst, gid, 3);
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dgst[4] = packv (tmps, dgst, gid, 4);
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dgst[5] = packv (tmps, dgst, gid, 5);
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dgst[6] = packv (tmps, dgst, gid, 6);
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dgst[7] = packv (tmps, dgst, gid, 7);
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out[0] = packv (tmps, out, gid, 0);
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out[1] = packv (tmps, out, gid, 1);
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out[2] = packv (tmps, out, gid, 2);
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out[3] = packv (tmps, out, gid, 3);
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out[4] = packv (tmps, out, gid, 4);
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out[5] = packv (tmps, out, gid, 5);
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out[6] = packv (tmps, out, gid, 6);
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out[7] = packv (tmps, out, gid, 7);
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for (u32 j = 0; j < LOOP_CNT; j++)
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{
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u32x w0[4];
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u32x w1[4];
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u32x w2[4];
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u32x w3[4];
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w0[0] = dgst[0];
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w0[1] = dgst[1];
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w0[2] = dgst[2];
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w0[3] = dgst[3];
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w1[0] = dgst[4];
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w1[1] = dgst[5];
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w1[2] = dgst[6];
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w1[3] = dgst[7];
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w2[0] = 0x80000000;
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w2[1] = 0;
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w2[2] = 0;
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w2[3] = 0;
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w3[0] = 0;
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w3[1] = 0;
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w3[2] = 0;
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w3[3] = (64 + 32) * 8;
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hmac_sha256_run_V (w0, w1, w2, w3, ipad, opad, dgst);
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out[0] ^= dgst[0];
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out[1] ^= dgst[1];
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out[2] ^= dgst[2];
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out[3] ^= dgst[3];
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out[4] ^= dgst[4];
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out[5] ^= dgst[5];
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out[6] ^= dgst[6];
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out[7] ^= dgst[7];
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}
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unpackv (tmps, dgst, gid, 0, dgst[0]);
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unpackv (tmps, dgst, gid, 1, dgst[1]);
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unpackv (tmps, dgst, gid, 2, dgst[2]);
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unpackv (tmps, dgst, gid, 3, dgst[3]);
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unpackv (tmps, dgst, gid, 4, dgst[4]);
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unpackv (tmps, dgst, gid, 5, dgst[5]);
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unpackv (tmps, dgst, gid, 6, dgst[6]);
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unpackv (tmps, dgst, gid, 7, dgst[7]);
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unpackv (tmps, out, gid, 0, out[0]);
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unpackv (tmps, out, gid, 1, out[1]);
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unpackv (tmps, out, gid, 2, out[2]);
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unpackv (tmps, out, gid, 3, out[3]);
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unpackv (tmps, out, gid, 4, out[4]);
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unpackv (tmps, out, gid, 5, out[5]);
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unpackv (tmps, out, gid, 6, out[6]);
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unpackv (tmps, out, gid, 7, out[7]);
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}
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KERNEL_FQ void m23400_comp (KERN_ATTR_TMPS (bitwarden_tmp_t))
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{
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/**
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* base
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*/
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const u64 gid = get_global_id (0);
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if (gid >= GID_CNT) return;
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const u32 r0 = tmps[gid].out[0];
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const u32 r1 = tmps[gid].out[1];
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const u32 r2 = tmps[gid].out[2];
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const u32 r3 = tmps[gid].out[3];
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#define il_pos 0
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@ -26,6 +26,7 @@
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- Added support to building universal macOS binary on Apple Silicon
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- Added hex encoding format for --separator option
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- Added password candidates range to --status-json output
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- Added parameter to Bitwarden mode for second iteration count
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##
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## Bugs
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@ -21,10 +21,12 @@ static const char *HASH_NAME = "Bitwarden";
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static const u64 KERN_TYPE = 23400;
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static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
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| OPTI_TYPE_SLOW_HASH_SIMD_LOOP;
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static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_LE;
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static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_LE
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| OPTS_TYPE_LOOP2
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| OPTS_TYPE_INIT2;
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static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
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static const char *ST_PASS = "hashcat";
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static const char *ST_HASH = "$bitwarden$1*100000*bm9yZXBseUBoYXNoY2F0Lm5ldA==*zAXL7noQxkIJG82vWuqyDsnoqnKAVU7gE/8IRI6BlMs=";
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static const char *ST_PASS = "hashcat1";
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static const char *ST_HASH = "$bitwarden$2*100000*2*bm9yZXBseUBoYXNoY2F0Lm5ldA==*CWCy4KZEEw1W92qB7xfLRNoJpepTMSyr7WJGZ0/Xr8c=";
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u32 module_attack_exec (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ATTACK_EXEC; }
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u32 module_dgst_pos0 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS0; }
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@ -104,10 +106,10 @@ u32 module_pw_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED con
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int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED void *digest_buf, MAYBE_UNUSED salt_t *salt, MAYBE_UNUSED void *esalt_buf, MAYBE_UNUSED void *hook_salt_buf, MAYBE_UNUSED hashinfo_t *hash_info, const char *line_buf, MAYBE_UNUSED const int line_len)
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{
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u32 *digest = (u32 *) digest_buf;
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hc_token_t token;
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token.token_cnt = 5;
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token.token_cnt = 6;
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token.signatures_cnt = 1;
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token.signatures_buf[0] = SIGNATURE_BITWARDEN;
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@ -130,13 +132,19 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
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token.sep[3] = '*';
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token.len_min[3] = 1;
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token.len_max[3] = ((SALT_MAX * 8) / 6) + 3;
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token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH;
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token.len_max[3] = 7;
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token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH
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| TOKEN_ATTR_VERIFY_DIGIT;
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token.sep[4] = '*';
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token.len_min[4] = 44;
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token.len_max[4] = 44;
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token.attr[4] = TOKEN_ATTR_VERIFY_LENGTH
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token.len_min[4] = 1;
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token.len_max[4] = ((SALT_MAX * 8) / 6) + 3;
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token.attr[4] = TOKEN_ATTR_VERIFY_LENGTH;
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token.sep[5] = '*';
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token.len_min[5] = 44;
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token.len_max[5] = 44;
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token.attr[5] = TOKEN_ATTR_VERIFY_LENGTH
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| TOKEN_ATTR_VERIFY_BASE64A;
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const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);
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@ -146,24 +154,33 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
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// version
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const u8 *version_pos = token.buf[1];
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const u32 version = *version_pos - 0x30;
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if (version_pos[0] != '1') return (PARSER_SALT_VALUE);
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if (version != 2) return (PARSER_SALT_VALUE);
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// iter
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const u8 *iter_pos = token.buf[2];
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const u8 *iter1_pos = token.buf[2];
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const u8 *iter2_pos = token.buf[3];
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const u32 iter = hc_strtoul ((const char *) iter_pos, NULL, 10);
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const u32 iter1 = hc_strtoul ((const char *) iter1_pos, NULL, 10);
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if (iter < 1) return (PARSER_SALT_ITERATION);
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if (iter > 999999) return (PARSER_SALT_ITERATION);
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if (iter1 < 1) return (PARSER_SALT_ITERATION);
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if (iter1 > 999999) return (PARSER_SALT_ITERATION);
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salt->salt_iter = iter - 1;
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salt->salt_iter = iter1 - 1;
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const u32 iter2 = hc_strtoul ((const char *) iter2_pos, NULL, 10);
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if (iter2 < 1) return (PARSER_SALT_ITERATION);
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if (iter2 > 999999) return (PARSER_SALT_ITERATION);
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salt->salt_iter2 = iter2 - 1;
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// salt
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const u8 *salt_pos = token.buf[3];
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const int salt_len = token.len[3];
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const u8 *salt_pos = token.buf[4];
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const int salt_len = token.len[4];
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u8 tmp_buf[SALT_MAX + 1] = { 0 };
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@ -178,8 +195,8 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
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// hash
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const u8 *hash_pos = token.buf[4];
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const int hash_len = token.len[4];
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const u8 *hash_pos = token.buf[5];
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const int hash_len = token.len[5];
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memset (tmp_buf, 0, sizeof (tmp_buf));
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@ -230,9 +247,10 @@ int module_hash_encode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
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base64_encode (int_to_base64, (const u8 *) tmp_buf, 32, (u8 *) hash_buf);
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const int line_len = snprintf (line_buf, line_size, "%s1*%i*%s*%s",
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const int line_len = snprintf (line_buf, line_size, "%s2*%i*%i*%s*%s",
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SIGNATURE_BITWARDEN,
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salt->salt_iter + 1,
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salt->salt_iter2 + 1,
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salt_buf,
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hash_buf);
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161
tools/bitwarden2hashcat.py
Normal file
161
tools/bitwarden2hashcat.py
Normal file
@ -0,0 +1,161 @@
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"""Utility to extract Bitwarden hash for hashcat from Google Chrome / Firefox / Desktop local data"""
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#
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# Based on bitwarden2john.py https://github.com/willstruggle/john/blob/master/bitwarden2john.py
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#
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# Various data locations are documented here: https://bitwarden.com/help/data-storage/#on-your-local-machine
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#
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# Author: https://github.com/Greexter
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# License: MIT
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#
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import os
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import argparse
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import sys
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import base64
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import traceback
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|
||||
try:
|
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import json
|
||||
assert json
|
||||
except ImportError:
|
||||
try:
|
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import simplejson as json
|
||||
except ImportError:
|
||||
print("Please install json module which is currently not installed.\n", file=sys.stderr)
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sys.exit(-1)
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|
||||
def process_sqlite(path):
|
||||
try:
|
||||
import snappy
|
||||
except ImportError:
|
||||
print("Please install python-snappy module.\n", file=sys.stderr)
|
||||
sys.exit(-1)
|
||||
try:
|
||||
import sqlite3
|
||||
except ImportError:
|
||||
print("Please install sqlite3 module.\n", file=sys.stderr)
|
||||
sys.exit(-1)
|
||||
|
||||
conn = sqlite3.connect(path)
|
||||
cur = conn.cursor()
|
||||
data = cur.execute('SELECT * FROM object_data')
|
||||
fetched = data.fetchall()
|
||||
|
||||
# uses undocumented nonstandard data format
|
||||
# probably can break in the future
|
||||
dataValue = snappy.decompress(fetched[0][4])
|
||||
|
||||
key_hash = dataValue.split(b"keyHash")[1][9:53].decode()
|
||||
email = dataValue.split(b"email")[1][11:].split(b'\x00')[0].decode()
|
||||
iterations = int.from_bytes(dataValue.split(b"kdfIterations")[1][3:7], byteorder="little")
|
||||
|
||||
return [(email, key_hash, iterations)]
|
||||
|
||||
|
||||
def process_leveldb(path):
|
||||
try:
|
||||
import leveldb
|
||||
except ImportError:
|
||||
print("Please install the leveldb module for full functionality!\n", file=sys.stderr)
|
||||
sys.exit(-1)
|
||||
|
||||
db = leveldb.LevelDB(path, create_if_missing=False)
|
||||
|
||||
try:
|
||||
out = []
|
||||
accIds = db.Get(b'authenticatedAccounts')
|
||||
accIds = json.loads(accIds)
|
||||
|
||||
for id in accIds:
|
||||
authAccData = db.Get(id.strip('"').encode())
|
||||
out.append(extract_json_profile(json.loads(authAccData)))
|
||||
|
||||
return out
|
||||
except(KeyError):
|
||||
# support for older Bitwarden versions (before account switch implementation)
|
||||
# data is stored in different format
|
||||
print("Failed to extract data, trying old format.", file=sys.stderr)
|
||||
email = db.Get(b'userEmail')\
|
||||
.decode('utf-8')\
|
||||
.strip('"')
|
||||
key_hash = db.Get(b'keyHash')\
|
||||
.decode("ascii").strip('"')
|
||||
iterations = int(db.Get(b'kdfIterations').decode("ascii"))
|
||||
|
||||
return [(email, key_hash, iterations)]
|
||||
|
||||
|
||||
def process_json(data):
|
||||
data = json.loads(data)
|
||||
|
||||
try:
|
||||
out = []
|
||||
accIds = data["authenticatedAccounts"]
|
||||
for id in accIds:
|
||||
authAccData = data[id.strip('"')]
|
||||
out.append(extract_json_profile(authAccData))
|
||||
|
||||
return out
|
||||
except(KeyError):
|
||||
print("Failed to extract data, trying old format.", file=sys.stderr)
|
||||
email = data["rememberedEmail"]
|
||||
hash = data["keyHash"]
|
||||
iterations = data["kdfIterations"]
|
||||
|
||||
return [(email, hash, iterations)]
|
||||
|
||||
|
||||
def extract_json_profile(data):
|
||||
profile = data["profile"]
|
||||
email = profile["email"]
|
||||
iterations = profile["kdfIterations"]
|
||||
hash = profile["keyHash"]
|
||||
return email, hash, iterations
|
||||
|
||||
|
||||
def process_file(filename, legacy = False):
|
||||
try:
|
||||
if os.path.isdir(filename):
|
||||
# Chromium based
|
||||
data = process_leveldb(filename)
|
||||
elif filename.endswith(".sqlite"):
|
||||
# Firefox
|
||||
data = process_sqlite(filename)
|
||||
elif filename.endswith(".json"):
|
||||
# json - Desktop
|
||||
with open(filename, "rb") as f:
|
||||
data = f.read()
|
||||
data = process_json(data)
|
||||
else:
|
||||
print("Unknown storage. Don't know how to extract data.", file=sys.stderr)
|
||||
sys.exit(-1)
|
||||
|
||||
except (ValueError, KeyError):
|
||||
traceback.print_exc()
|
||||
print("Missing values, user is probably logged out.", file=sys.stderr)
|
||||
return
|
||||
except:
|
||||
traceback.print_exc()
|
||||
return
|
||||
|
||||
iterations2 = 1 if legacy else 2
|
||||
for entry in data:
|
||||
if len(entry) != 3:
|
||||
print("[error] %s could not be parsed properly!\nUser is probably logged out." % filename, file=sys.stderr)
|
||||
continue
|
||||
|
||||
print("$bitwarden$2*%d*%d*%s*%s" %
|
||||
(entry[2], iterations2, base64.b64encode(entry[0].encode("ascii")).decode("ascii"), entry[1]))
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
parser = argparse.ArgumentParser()
|
||||
parser.add_argument("paths", type=str, nargs="+")
|
||||
parser.add_argument("--legacy", action="store_true", help="Used for older versions of Bitwarden (before static iteration count had been changed).")
|
||||
|
||||
args = parser.parse_args()
|
||||
|
||||
for p in args.paths:
|
||||
process_file(p, args.legacy)
|
||||
@ -18,6 +18,7 @@ sub module_generate_hash
|
||||
my $word = shift;
|
||||
my $salt = shift;
|
||||
my $iter = shift // 10000; # or 100000 default but probably too high for tests
|
||||
my $iter2 = shift // 2;
|
||||
|
||||
my $kdf1 = Crypt::PBKDF2->new
|
||||
(
|
||||
@ -29,7 +30,7 @@ sub module_generate_hash
|
||||
my $kdf2 = Crypt::PBKDF2->new
|
||||
(
|
||||
hasher => Crypt::PBKDF2->hasher_from_algorithm ('HMACSHA2', 256),
|
||||
iterations => 1,
|
||||
iterations => $iter2,
|
||||
output_len => 32
|
||||
);
|
||||
|
||||
@ -38,7 +39,7 @@ sub module_generate_hash
|
||||
my $digest1 = $kdf1->PBKDF2 ($email, $word);
|
||||
my $digest2 = $kdf2->PBKDF2 ($word, $digest1); # position of $word switched !
|
||||
|
||||
my $hash = sprintf ("\$bitwarden\$1*%d*%s*%s", $iter, encode_base64 ($email, ""), encode_base64 ($digest2, ""));
|
||||
my $hash = sprintf ("\$bitwarden\$2*%d*%d*%s*%s", $iter, $iter2, encode_base64 ($email, ""), encode_base64 ($digest2, ""));
|
||||
|
||||
return $hash;
|
||||
}
|
||||
@ -54,7 +55,7 @@ sub module_verify_hash
|
||||
my $hash = substr ($line, 0, $idx);
|
||||
my $word = substr ($line, $idx + 1);
|
||||
|
||||
return unless substr ($hash, 0, 12) eq '$bitwarden$1';
|
||||
return unless substr ($hash, 0, 12) eq '$bitwarden$2';
|
||||
|
||||
my ($type, $iter, $salt_base64, $hash_base64) = split ('\*', $hash);
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user