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Vector crypto additional extensions: Zvbc32e and Zvkgs #270

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Vector crypto additional extensions: Zvbc32e and Zvkgs #270

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f25234d
Adding Zvkgs (GHMAC vector-scalar) opcodes
nibrunieAtSi5 Aug 24, 2023
fe3adb5
adding mention of Zvbe32 in zvbc opcodes
nibrunieAtSi5 Aug 24, 2023
a1a7f38
moving rv_zvkgs to unratified directory
nibrunie Apr 5, 2025
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2 changes: 1 addition & 1 deletion extensions/rv_zvbc
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
# Zvbc - Vector Carryless Multiplication
# Zvbc/Zvbce32 - Vector Carryless Multiplication
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@nibrunieAtSi5 nibrunieAtSi5 Nov 22, 2025

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Suggested change
# Zvbc/Zvbce32 - Vector Carryless Multiplication
# Zvbc/Zvbce32 - Vector Carry-less Multiplication


# Carryless Multiply
vclmul.vv 31..26=0x0C vm vs2 vs1 14..12=0x2 vd 6..0=0x57
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8 changes: 8 additions & 0 deletions extensions/unratified/rv_zvkgs
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@@ -0,0 +1,8 @@
# Zvkgs - Vector-Scalar GCM/GMAC

# Vector Multiply over GHASH Galois-Field
vgmul.vs 31..26=0x29 25=1 vs2 19..15=0x11 14..12=0x2 vd 6..0=0x77

# Vector Add-Multiply over GHASH Galois-Field
vghsh.vs 31..26=0x23 25=1 vs2 vs1 14..12=0x2 vd 6..0=0x77