← The evidence ledger
Evidence row 2201209
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://security-math.x402tookit.com/key-size-equivalence
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 0ba0b86c84f971fcc796cea7d6df32b6c40950723259e012b68fec39f61a24fe
- Leaf
- 0x8e8406a92b4c13974d3c01502e9a621e86ba18d58c8c2f1a41edbebf3bcf4285
What was observed
{
"endpoints": [
[
"x402",
"https://security-math.x402tookit.com/key-size-equivalence"
]
],
"name": "Security Math",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "NIST SP 800-57 comparable strengths: RSA, DH, DSA, ECC and AES key sizes to security bits, hash strengths, 2030 status.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"algorithm": "rsa",
"size": "2048"
},
"type": "http"
},
"output": {
"example": {
"algorithm": "rsa",
"asOf": "2026-10-11T14:38:13.789Z",
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"notChecked": [
"the effect of quantum computers (Shor's algorithm breaks RSA, DH, DSA and ECC outright; Grover roughly halves symmetric and hash strength)",
"protocol-specific requirements (TLS, FIPS 140 validation, SP 800-131A transitions beyond Table 4)",
"…2 more"
],
"reasons": [
"Comparable strength means the effort to break it is about 2^strength operations, per NIST's estimates.",
"Public-key sizes between rows take the strength of the row they have reached (a conservative reading).",
"…1 more"
],
"sameStrengthAs": {
"eccKeyBits": "224-255",
"ffcDsaDh": "L=2048, N=224",
"ifcRsaModulusBits": 2048,
"securityStrengthBits": 112,
"symmetric": "3TDEA"
},
"securityStrengthBits": 112,
"size": 2048,
"source": "NIST SP 800-57 Part 1 Rev. 5 (2020), Tables 2, 3 and 4",
"status": "acceptable for applying protection through 2030; disallowed from 2031 (legacy use to process)",
"summary": "RSA 2048 bits gives about 112 bits of security strength; acceptable for applying protection through 2030; disallowed from 2031 (legacy use to process).",
"table": [
{
"eccKeyBits": "160-223",
"ffcDsaDh": "L=1024, N=160",
"ifcRsaModulusBits": 1024,
"securityStrengthBits": 80,
"symmetric": "2TDEA"
},
{
"eccKeyBits": "224-255",
"ffcDsaDh": "L=2048, N=224",
"ifcRsaModulusBits": 2048,
"securityStrengthBits": 112,
"symmetric": "3TDEA"
}
],
"verdict": "ADEQUATE"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"algorithm": {
"description": "One of rsa, dh, dsa, ecc, aes, tdea, hash, strength: rsa, dh, dsa (size = modulus bits), ecc (size = key bits), aes (128/192/256), tdea (2 or 3 keys), hash (size = name such as sha-256), strength (size = 80/112/128/192/256)",
"type": "string"
},
"size": {
"description": "Key size in bits, hash name, or target security strength, per algorithm",
"type": "string"
}
},
"required": [
"algorithm",
"size"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"algorithm": {
"type": [
"null",
"string"
]
},
"asOf": {
"type": [
"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"sameStrengthAs": {
"properties": {
"eccKeyBits": {
"type": [
"null",
"string"
]
},
"ffcDsaDh": {
"type": [
"null",
"string"
]
},
"ifcRsaModulusBits": {
"type": [
"null",
"number"
]
},
"securityStrengthBits": {
"type": [
"null",
"number"
]
},
"symmetric": {
"type": [
"null",
"string"
]
}
},
"type": [
"null",
"object"
]
},
"securityStrengthBits": {
"type": [
"null",
"number"
]
},
"size": {
"type": [
"null",
"number"
]
},
"source": {
"type": [
"null",
"string"
]
},
"status": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"table": {
"items": {
"properties": {
"eccKeyBits": {
"type": [
"null",
"string"
]
},
"ffcDsaDh": {
"type": [
"null",
"string"
]
},
"ifcRsaModulusBits": {
"type": [
"null",
"number"
]
},
"securityStrengthBits": {
"type": [
"null",
"number"
]
},
"symmetric": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-02T04:08:20.396Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T04:08:20.217Z"
},
"resource": "https://security-math.x402tookit.com/key-size-equivalence",
"serviceName": "Security Math",
"tags": [
"nist",
"key-size",
"rsa",
"aes",
"ecc"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "NIST SP 800-57 comparable strengths: RSA, DH, DSA, ECC and AES key sizes to security bits, hash strengths, 2030 status."
}What the leaf hashes
{"body":"0ba0b86c84f971fcc796cea7d6df32b6c40950723259e012b68fec39f61a24fe","id":2201209,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646801284078,"prev":null,"subject":"x402_bazaar:https://security-math.x402tookit.com/key-size-equivalence","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0x8e84ded77487933a8c56952b56f49a8be919d670187e9111f8486a570c86b6bb
- 0xaa46cca4cb45a4f9c2d5369db38ce4ee198c952ecbc6fa7931b88fb34131748f
- 0x0115c9fa61953ee0b1f0226cefae3a71e7b4ac27249e6728e50b0327595d480f
- 0x0d61f8a6aa2322b88ca2afbb10b285a720450cfc286528a8e54317227125b531
- 0x683fa6aaa160fe35f345a20b9cd66479bd499c76501e5a32a4dd0bf978e551ba
- 0x74dbea04a62ffc208f9068c85d8e38b50ec8ba1b37af3d6c5b3c5f4313d61343
- 0xb40244dba3e28e2bf4377e8250e1d1691bc147d0d37b7d1838f9bb16194b35fe
- 0x197115d030ce1aa14c45a4a45e722113829f0c9a505b5ff7a68a279c44763ffc
- 0xe34eb429e18d31e4100cb647c5f1123992695269fd0f030faf3d8988a1025cf3
- 0xa1a2dad59d57e10999a72cc57633e23c157fe7392ed2cf36087e04aae5b383d1
- 0x4b1e92c82207405a73e9f6dfed51808c7001b280fa6e88d7b86b7ffa25e696d6
- 0xb030bb42b9eab986acc0da3e948c6aadf4547c06744cd7db6bb54c446df9b380
- 0x8e26ae8a6fa3c6baea1cd4108668ed189b835a519376f35f53b7ea9cc4800a95
- 0x3f15e4f2fd3ab4091e7284edf8bfed23163b8ef6b0c8fdbd458a498a9bb35a32
- 0x5d92631d189bd0292c27a05f85a5ec38ec5f4197dfe4660eb991dc6a511e25a6
- 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
- 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af