diff --git a/.gitignore b/.gitignore
index 2ed0b44..c55a4c1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1 @@
 0x*_*.txt
-
-holycard_collect
-holycard_solve
diff --git a/crypto1_bs/.gitignore b/crypto1_bs/.gitignore
new file mode 100644
index 0000000..3ac74f5
--- /dev/null
+++ b/crypto1_bs/.gitignore
@@ -0,0 +1,2 @@
+holycard_collect
+holycard_solve
diff --git a/Makefile b/crypto1_bs/Makefile
similarity index 93%
rename from Makefile
rename to crypto1_bs/Makefile
index 12943ef..f153b6d 100755
--- a/Makefile
+++ b/crypto1_bs/Makefile
@@ -8,7 +8,7 @@
 CC     = gcc
 
 CFLAGS = -std=gnu99 -O3 -march=native
-LDFLAGS=  -Wl,--allow-multiple-definition
+LDFLAGS=  #-Wl,--allow-multiple-definition
 
 all: holycard_collect holycard_solve
 
diff --git a/README.md b/crypto1_bs/README.md
similarity index 100%
rename from README.md
rename to crypto1_bs/README.md
diff --git a/craptev1-v1.1/0xcafec0de.txt b/crypto1_bs/craptev1-v1.1/0xcafec0de.txt
similarity index 100%
rename from craptev1-v1.1/0xcafec0de.txt
rename to crypto1_bs/craptev1-v1.1/0xcafec0de.txt
diff --git a/craptev1-v1.1/Makefile b/crypto1_bs/craptev1-v1.1/Makefile
similarity index 100%
rename from craptev1-v1.1/Makefile
rename to crypto1_bs/craptev1-v1.1/Makefile
diff --git a/craptev1-v1.1/craptev1.c b/crypto1_bs/craptev1-v1.1/craptev1.c
similarity index 100%
rename from craptev1-v1.1/craptev1.c
rename to crypto1_bs/craptev1-v1.1/craptev1.c
diff --git a/craptev1-v1.1/craptev1.h b/crypto1_bs/craptev1-v1.1/craptev1.h
similarity index 100%
rename from craptev1-v1.1/craptev1.h
rename to crypto1_bs/craptev1-v1.1/craptev1.h
diff --git a/craptev1-v1.1/readme b/crypto1_bs/craptev1-v1.1/readme
similarity index 100%
rename from craptev1-v1.1/readme
rename to crypto1_bs/craptev1-v1.1/readme
diff --git a/craptev1-v1.1/solve.c b/crypto1_bs/craptev1-v1.1/solve.c
similarity index 100%
rename from craptev1-v1.1/solve.c
rename to crypto1_bs/craptev1-v1.1/solve.c
diff --git a/crapto1-v3.3/crapto1.c b/crypto1_bs/crapto1-v3.3/crapto1.c
similarity index 100%
rename from crapto1-v3.3/crapto1.c
rename to crypto1_bs/crapto1-v3.3/crapto1.c
diff --git a/crapto1-v3.3/crapto1.h b/crypto1_bs/crapto1-v3.3/crapto1.h
similarity index 100%
rename from crapto1-v3.3/crapto1.h
rename to crypto1_bs/crapto1-v3.3/crapto1.h
diff --git a/crapto1-v3.3/crypto1.c b/crypto1_bs/crapto1-v3.3/crypto1.c
similarity index 100%
rename from crapto1-v3.3/crypto1.c
rename to crypto1_bs/crapto1-v3.3/crypto1.c
diff --git a/crapto1-v3.3/readme b/crypto1_bs/crapto1-v3.3/readme
similarity index 100%
rename from crapto1-v3.3/readme
rename to crypto1_bs/crapto1-v3.3/readme
diff --git a/crypto1_bs.c b/crypto1_bs/crypto1_bs.c
similarity index 100%
rename from crypto1_bs.c
rename to crypto1_bs/crypto1_bs.c
diff --git a/crypto1_bs.h b/crypto1_bs/crypto1_bs.h
similarity index 100%
rename from crypto1_bs.h
rename to crypto1_bs/crypto1_bs.h
diff --git a/crypto1_bs_crack.c b/crypto1_bs/crypto1_bs_crack.c
similarity index 100%
rename from crypto1_bs_crack.c
rename to crypto1_bs/crypto1_bs_crack.c
diff --git a/crypto1_bs_crack.h b/crypto1_bs/crypto1_bs_crack.h
similarity index 100%
rename from crypto1_bs_crack.h
rename to crypto1_bs/crypto1_bs_crack.h
diff --git a/holycard_collect.c b/crypto1_bs/holycard_collect.c
similarity index 100%
rename from holycard_collect.c
rename to crypto1_bs/holycard_collect.c
diff --git a/holycard_solve.c b/crypto1_bs/holycard_solve.c
similarity index 100%
rename from holycard_solve.c
rename to crypto1_bs/holycard_solve.c