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156 lines

G_M1750_IG01:

push r14

push rdi

push rsi

push rbp

push rbx

sub rsp, 32

mov rsi, rcx

;; size=13 bbWeight=1 PerfScore 5.50

G_M1750_IG02:

mov rcx, 0xD1FFAB1E ; 'System.Security.Cryptography.RSA'

mov edx, 2

call [System.RuntimeType:GetCachedName(int):System.String:this]

mov rdi, rax

test rdi, rdi

jne SHORT G_M1750_IG04

;; size=29 bbWeight=1 PerfScore 5.00

G_M1750_IG03:

xor rdx, rdx

jmp G_M1750_IG07

;; size=7 bbWeight=0.50 PerfScore 1.12

G_M1750_IG04:

mov rcx, 0xD1FFAB1E ; 'System.Security.Cryptography.RSA'

call System.RuntimeTypeHandle:GetAssembly(System.RuntimeType):System.Reflection.RuntimeAssembly

mov rcx, rax

cmp dword ptr [rcx], ecx

call [System.Reflection.RuntimeAssembly:get_FullName():System.String:this]

mov rbx, rax

mov ebp, dword ptr [rdi+08H]

test ebp, ebp

je SHORT G_M1750_IG05

test rbx, rbx

je G_M1750_IG09

je G_M1750_IG11

jmp SHORT G_M1750_IG06

;; size=47 bbWeight=0.50 PerfScore 7.12

G_M1750_IG05:

mov rdx, rbx

mov rcx, 0xD1FFAB1E ; ', '

call [System.String:Concat(System.String,System.String):System.String]

mov rdx, rax

jmp SHORT G_M1750_IG07

;; size=24 bbWeight=0.50 PerfScore 2.88

G_M1750_IG06:

mov ecx, dword ptr [rbx+08H]

test ecx, ecx

je G_M1750_IG09

je G_M1750_IG11

lea ecx, [rcx+rbp+02H]

call System.String:FastAllocateString(int):System.String

mov r14, rax

cmp dword ptr [r14+08H], ebp

jl G_M1750_IG10

jl G_M1750_IG13

lea rcx, bword ptr [r14+0CH]

lea rdx, bword ptr [rdi+0CH]

mov r8d, ebp

add r8, r8

call [System.Buffer:Memmove(byref,byref,ulong)]

mov ecx, ebp

mov edx, dword ptr [r14+08H]

sub edx, ecx

cmp edx, 2

jl G_M1750_IG11

jl G_M1750_IG14

movsxd rcx, ecx

lea rcx, bword ptr [r14+2*rcx+0CH]

mov rdx, 0xD1FFAB1E ; ', '

add rdx, 12

mov r8d, 4

call [System.Buffer:Memmove(byref,byref,ulong)]

lea edx, [rbp+02H]

mov rcx, r14

mov r8, rbx

call [System.String:FillStringChecked(System.String,int,System.String)]

mov rdx, r14

;; size=122 bbWeight=0.50 PerfScore 13.50

G_M1750_IG07:

lea rcx, bword ptr [rsi+08H]

call CORINFO_HELP_ASSIGN_REF

mov rcx, 0xD1FFAB1E ; 'System.Security.Cryptography.RSAPKCS1SignatureFormatter'

call [System.RuntimeType:get_AssemblyQualifiedName():System.String:this]

call [System.RuntimeType:get_FullName():System.String:this]

lea rcx, bword ptr [rsi+18H]

mov rbx, rax

mov rdx, rax

test rbx, rbx

call CORINFO_HELP_ASSIGN_REF

jne SHORT G_M1750_IG12

;; size=33 bbWeight=1 PerfScore 6.25

G_M1750_IG08:

xor rdx, rdx

;; size=2 bbWeight=0.50 PerfScore 0.12

G_M1750_IG09:

mov rcx, rsi

call [System.Security.Cryptography.SignatureDescription:set_FormatterAlgorithm(System.String):this]

mov rcx, 0xD1FFAB1E ; 'System.Security.Cryptography.RSAPKCS1SignatureDeformatter'

call [System.RuntimeType:get_AssemblyQualifiedName():System.String:this]

lea rcx, bword ptr [rsi+20H]

mov rdx, rax

call CORINFO_HELP_ASSIGN_REF

mov rcx, rsi

mov rcx, 0xD1FFAB1E ; 'SHA1'

call [System.Security.Cryptography.SignatureDescription:set_DeformatterAlgorithm(System.String):this]

mov rcx, rsi

mov rdx, 0xD1FFAB1E ; 'SHA1'

mov gword ptr [rsi+10H], rcx

;; size=50 bbWeight=1 PerfScore 10.50

;; size=79 bbWeight=1 PerfScore 12.75

G_M1750_IG10:

G_M1750_IG08:

add rsp, 32

pop rbx

pop rbp

pop rsi

pop rdi

pop r14

ret

tail.jmp [System.Security.Cryptography.SignatureDescription:set_DigestAlgorithm(System.String):this]

;; size=11 bbWeight=1 PerfScore 3.75

;; size=16 bbWeight=1 PerfScore 4.75

G_M1750_IG09:

G_M1750_IG11:

mov rcx, rdi

mov rdx, 0xD1FFAB1E ; ', '

call [System.String:Concat(System.String,System.String):System.String]

mov rdx, rax

jmp SHORT G_M1750_IG07

;; size=24 bbWeight=0.50 PerfScore 2.88

G_M1750_IG10:

G_M1750_IG12:

mov rcx, 0xD1FFAB1E ; 'System.Security.Cryptography.RSAPKCS1SignatureFormatter'

call [System.RuntimeType:get_Assembly():System.Reflection.Assembly:this]

mov rcx, rax

mov rax, qword ptr [rax]

mov rax, qword ptr [rax+48H]

call [rax+18H]System.Reflection.Assembly:get_FullName():System.String:this

mov rcx, rax

mov rdx, rbx

call [System.Reflection.Assembly:CreateQualifiedName(System.String,System.String):System.String]

mov rdx, rax

jmp G_M1750_IG09

;; size=49 bbWeight=0.50 PerfScore 8.12

G_M1750_IG13:

mov rcx, 0xD1FFAB1E ; System.IndexOutOfRangeException

call CORINFO_HELP_NEWSFAST

mov rsi, rax

mov rcx, rsi

call [System.IndexOutOfRangeException:.ctor():this]

mov rcx, rsi

call CORINFO_HELP_THROW

;; size=35 bbWeight=0 PerfScore 0.00

G_M1750_IG11:

G_M1750_IG14:

mov rcx, 0xD1FFAB1E ; System.IndexOutOfRangeException

call CORINFO_HELP_NEWSFAST

mov rsi, rax

mov rcx, rsi

call [System.IndexOutOfRangeException:.ctor():this]

mov rcx, rsi

call CORINFO_HELP_THROW

int3

;; size=36 bbWeight=0 PerfScore 0.00

; Total bytes of code 427, prolog size 10, PerfScore 97.20, instruction count 102, allocated bytes for code 427 (MethodHash=2c4af929) for method System.Security.Cryptography.Xml.RSAPKCS1SHA1SignatureDescription:.ctor():this

; Total bytes of code 487, prolog size 10, PerfScore 116.45, instruction count 116, allocated bytes for code 487 (MethodHash=2c4af929) for method System.Security.Cryptography.Xml.RSAPKCS1SHA1SignatureDescription:.ctor():this

; ============================================================

Saved diffs

Original text

Open file

G_M1750_IG01:
       push     r14
       push     rdi
       push     rsi
       push     rbp
       push     rbx
       sub      rsp, 32
       mov      rsi, rcx
						;; size=13 bbWeight=1    PerfScore 5.50
G_M1750_IG02:
       mov      rcx, 0xD1FFAB1E      ; 'System.Security.Cryptography.RSA'

mov      edx, 2
       call     [System.RuntimeType:GetCachedName(int):System.String:this]
       mov      rdi, rax
       test     rdi, rdi
       jne      SHORT G_M1750_IG04
						;; size=29 bbWeight=1    PerfScore 5.00
G_M1750_IG03:
       xor      rdx, rdx
       jmp      G_M1750_IG07
						;; size=7 bbWeight=0.50 PerfScore 1.12
G_M1750_IG04:
       mov      rcx, 0xD1FFAB1E      ; 'System.Security.Cryptography.RSA'

call     System.RuntimeTypeHandle:GetAssembly(System.RuntimeType):System.Reflection.RuntimeAssembly
       mov      rcx, rax
       cmp      dword ptr [rcx], ecx
       call     [System.Reflection.RuntimeAssembly:get_FullName():System.String:this]
       mov      rbx, rax
       mov      ebp, dword ptr [rdi+08H]
       test     ebp, ebp
       je       SHORT G_M1750_IG05
       test     rbx, rbx
       je       G_M1750_IG09
       jmp      SHORT G_M1750_IG06
						;; size=47 bbWeight=0.50 PerfScore 7.12
G_M1750_IG05:
       mov      rdx, rbx
       mov      rcx, 0xD1FFAB1E      ; ', '

call     [System.String:Concat(System.String,System.String):System.String]
       mov      rdx, rax
       jmp      SHORT G_M1750_IG07
						;; size=24 bbWeight=0.50 PerfScore 2.88
G_M1750_IG06:
       mov      ecx, dword ptr [rbx+08H]
       test     ecx, ecx
       je       G_M1750_IG09
       lea      ecx, [rcx+rbp+02H]
       call     System.String:FastAllocateString(int):System.String
       mov      r14, rax
       cmp      dword ptr [r14+08H], ebp
       jl       G_M1750_IG10
       lea      rcx, bword ptr [r14+0CH]
       lea      rdx, bword ptr [rdi+0CH]
       mov      r8d, ebp
       add      r8, r8
       call     [System.Buffer:Memmove(byref,byref,ulong)]
       mov      ecx, ebp
       mov      edx, dword ptr [r14+08H]
       sub      edx, ecx
       cmp      edx, 2
       jl       G_M1750_IG11
       movsxd   rcx, ecx
       lea      rcx, bword ptr [r14+2*rcx+0CH]
       mov      rdx, 0xD1FFAB1E      ; ', '

add      rdx, 12
       mov      r8d, 4
       call     [System.Buffer:Memmove(byref,byref,ulong)]
       lea      edx, [rbp+02H]
       mov      rcx, r14
       mov      r8, rbx
       call     [System.String:FillStringChecked(System.String,int,System.String)]
       mov      rdx, r14
						;; size=122 bbWeight=0.50 PerfScore 13.50
G_M1750_IG07:
       lea      rcx, bword ptr [rsi+08H]
       call     CORINFO_HELP_ASSIGN_REF
       mov      rcx, 0xD1FFAB1E      ; 'System.Security.Cryptography.RSAPKCS1SignatureFormatter'

call     [System.RuntimeType:get_AssemblyQualifiedName():System.String:this]
       lea      rcx, bword ptr [rsi+18H]
       mov      rdx, rax
       call     CORINFO_HELP_ASSIGN_REF
       mov      rcx, 0xD1FFAB1E      ; 'System.Security.Cryptography.RSAPKCS1SignatureDeformatter'

call     [System.RuntimeType:get_AssemblyQualifiedName():System.String:this]
       lea      rcx, bword ptr [rsi+20H]
       mov      rdx, rax
       call     CORINFO_HELP_ASSIGN_REF
       mov      rcx, 0xD1FFAB1E      ; 'SHA1'

mov      gword ptr [rsi+10H], rcx
						;; size=79 bbWeight=1    PerfScore 12.75
G_M1750_IG08:
       add      rsp, 32
       pop      rbx
       pop      rbp
       pop      rsi
       pop      rdi
       pop      r14
       ret      
						;; size=11 bbWeight=1    PerfScore 3.75
G_M1750_IG09:
       mov      rcx, rdi
       mov      rdx, 0xD1FFAB1E      ; ', '

call     [System.String:Concat(System.String,System.String):System.String]
       mov      rdx, rax
       jmp      SHORT G_M1750_IG07
						;; size=24 bbWeight=0.50 PerfScore 2.88
G_M1750_IG10:
       mov      rcx, 0xD1FFAB1E      ; System.IndexOutOfRangeException
       call     CORINFO_HELP_NEWSFAST
       mov      rsi, rax
       mov      rcx, rsi
       call     [System.IndexOutOfRangeException:.ctor():this]
       mov      rcx, rsi
       call     CORINFO_HELP_THROW
						;; size=35 bbWeight=0    PerfScore 0.00
G_M1750_IG11:
       mov      rcx, 0xD1FFAB1E      ; System.IndexOutOfRangeException
       call     CORINFO_HELP_NEWSFAST
       mov      rsi, rax
       mov      rcx, rsi
       call     [System.IndexOutOfRangeException:.ctor():this]
       mov      rcx, rsi
       call     CORINFO_HELP_THROW
       int3     
						;; size=36 bbWeight=0    PerfScore 0.00

Changed text

Open file

call     System.RuntimeTypeHandle:GetAssembly(System.RuntimeType):System.Reflection.RuntimeAssembly
       mov      rcx, rax
       cmp      dword ptr [rcx], ecx
       call     [System.Reflection.RuntimeAssembly:get_FullName():System.String:this]
       mov      rbx, rax
       mov      ebp, dword ptr [rdi+08H]
       test     ebp, ebp
       je       SHORT G_M1750_IG05
       test     rbx, rbx
       je       G_M1750_IG11
       jmp      SHORT G_M1750_IG06
						;; size=47 bbWeight=0.50 PerfScore 7.12
G_M1750_IG05:
       mov      rdx, rbx
       mov      rcx, 0xD1FFAB1E      ; ', '

call     [System.String:Concat(System.String,System.String):System.String]
       mov      rdx, rax
       jmp      SHORT G_M1750_IG07
						;; size=24 bbWeight=0.50 PerfScore 2.88
G_M1750_IG06:
       mov      ecx, dword ptr [rbx+08H]
       test     ecx, ecx
       je       G_M1750_IG11
       lea      ecx, [rcx+rbp+02H]
       call     System.String:FastAllocateString(int):System.String
       mov      r14, rax
       cmp      dword ptr [r14+08H], ebp
       jl       G_M1750_IG13
       lea      rcx, bword ptr [r14+0CH]
       lea      rdx, bword ptr [rdi+0CH]
       mov      r8d, ebp
       add      r8, r8
       call     [System.Buffer:Memmove(byref,byref,ulong)]
       mov      ecx, ebp
       mov      edx, dword ptr [r14+08H]
       sub      edx, ecx
       cmp      edx, 2
       jl       G_M1750_IG14
       movsxd   rcx, ecx
       lea      rcx, bword ptr [r14+2*rcx+0CH]
       mov      rdx, 0xD1FFAB1E      ; ', '

call     [System.RuntimeType:get_FullName():System.String:this]
       mov      rbx, rax
       test     rbx, rbx
       jne      SHORT G_M1750_IG12
						;; size=33 bbWeight=1    PerfScore 6.25
G_M1750_IG08:
       xor      rdx, rdx
						;; size=2 bbWeight=0.50 PerfScore 0.12
G_M1750_IG09:
       mov      rcx, rsi
       call     [System.Security.Cryptography.SignatureDescription:set_FormatterAlgorithm(System.String):this]
       mov      rcx, 0xD1FFAB1E      ; 'System.Security.Cryptography.RSAPKCS1SignatureDeformatter'

call     [System.RuntimeType:get_AssemblyQualifiedName():System.String:this]
       mov      rdx, rax
       mov      rcx, rsi
       call     [System.Security.Cryptography.SignatureDescription:set_DeformatterAlgorithm(System.String):this]
       mov      rcx, rsi
       mov      rdx, 0xD1FFAB1E      ; 'SHA1'

;; size=50 bbWeight=1    PerfScore 10.50
G_M1750_IG10:
       add      rsp, 32
       pop      rbx
       pop      rbp
       pop      rsi
       pop      rdi
       pop      r14
       tail.jmp [System.Security.Cryptography.SignatureDescription:set_DigestAlgorithm(System.String):this]
						;; size=16 bbWeight=1    PerfScore 4.75
G_M1750_IG11:
       mov      rcx, rdi
       mov      rdx, 0xD1FFAB1E      ; ', '

call     [System.String:Concat(System.String,System.String):System.String]
       mov      rdx, rax
       jmp      SHORT G_M1750_IG07
						;; size=24 bbWeight=0.50 PerfScore 2.88
G_M1750_IG12:
       mov      rcx, 0xD1FFAB1E      ; 'System.Security.Cryptography.RSAPKCS1SignatureFormatter'

call     [System.RuntimeType:get_Assembly():System.Reflection.Assembly:this]
       mov      rcx, rax
       mov      rax, qword ptr [rax]
       mov      rax, qword ptr [rax+48H]
       call     [rax+18H]System.Reflection.Assembly:get_FullName():System.String:this
       mov      rcx, rax
       mov      rdx, rbx
       call     [System.Reflection.Assembly:CreateQualifiedName(System.String,System.String):System.String]
       mov      rdx, rax
       jmp      G_M1750_IG09
						;; size=49 bbWeight=0.50 PerfScore 8.12
G_M1750_IG13:
       mov      rcx, 0xD1FFAB1E      ; System.IndexOutOfRangeException
       call     CORINFO_HELP_NEWSFAST
       mov      rsi, rax
       mov      rcx, rsi
       call     [System.IndexOutOfRangeException:.ctor():this]
       mov      rcx, rsi
       call     CORINFO_HELP_THROW
						;; size=35 bbWeight=0    PerfScore 0.00
G_M1750_IG14:
       mov      rcx, 0xD1FFAB1E      ; System.IndexOutOfRangeException
       call     CORINFO_HELP_NEWSFAST
       mov      rsi, rax
       mov      rcx, rsi
       call     [System.IndexOutOfRangeException:.ctor():this]
       mov      rcx, rsi
       call     CORINFO_HELP_THROW
       int3     
						;; size=36 bbWeight=0    PerfScore 0.00